ASP.NET程序中常用代码汇总(二)
2006-07-12 17:10
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11.自定义异常处理
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//自定义异常处理类
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using System;
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using System.Diagnostics;
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namespace MyAppException
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{
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/**//// <summary>
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/// 从系统异常类ApplicationException继承的应用程序异常处理类。
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/// 自动将异常内容记录到Windows NT/2000的应用程序日志
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/// </summary>
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public class AppException:System.ApplicationException
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{
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public AppException()
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{
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if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
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}
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public AppException(string message)
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{
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LogEvent(message);
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}
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public AppException(string message,Exception innerException)
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{
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LogEvent(message);
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if (innerException != null)
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{
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LogEvent(innerException.Message);
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}
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}
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//日志记录类
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using System;
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using System.Configuration;
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using System.Diagnostics;
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using System.IO;
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using System.Text;
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using System.Threading;
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namespace MyEventLog
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{
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/**//// <summary>
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/// 事件日志记录类,提供事件日志记录支持
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/// <remarks>
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/// 定义了4个日志记录方法 (error, warning, info, trace)
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/// </remarks>
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/// </summary>
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public class ApplicationLog
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{
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/**//// <summary>
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/// 将错误信息记录到Win2000/NT事件日志中
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/// <param name="message">需要记录的文本信息</param>
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/// </summary>
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public static void WriteError(String message)
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{
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WriteLog(TraceLevel.Error, message);
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}
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/**//// <summary>
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/// 将警告信息记录到Win2000/NT事件日志中
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/// <param name="message">需要记录的文本信息</param>
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/// </summary>
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public static void WriteWarning(String message)
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{
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WriteLog(TraceLevel.Warning, message);
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}
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/**//// <summary>
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/// 将提示信息记录到Win2000/NT事件日志中
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/// <param name="message">需要记录的文本信息</param>
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/// </summary>
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public static void WriteInfo(String message)
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{
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WriteLog(TraceLevel.Info, message);
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}
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/**//// <summary>
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/// 将跟踪信息记录到Win2000/NT事件日志中
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/// <param name="message">需要记录的文本信息</param>
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/// </summary>
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public static void WriteTrace(String message)
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{
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WriteLog(TraceLevel.Verbose, message);
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}
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/**//// <summary>
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/// 格式化记录到事件日志的文本信息格式
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/// <param name="ex">需要格式化的异常对象</param>
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/// <param name="catchInfo">异常信息标题字符串.</param>
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/// <retvalue>
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/// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
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/// </retvalue>
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/// </summary>
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public static String FormatException(Exception ex, String catchInfo)
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{
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StringBuilder strBuilder = new StringBuilder();
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if (catchInfo != String.Empty)
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{
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strBuilder.Append(catchInfo).Append("/r/n");
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}
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strBuilder.Append(ex.Message).Append("/r/n").Append(ex.StackTrace);
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return strBuilder.ToString();
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}
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/**//// <summary>
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/// 实际事件日志写入方法
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/// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
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/// <param name="messageText">要记录的文本.</param>
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/// </summary>
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private static void WriteLog(TraceLevel level, String messageText)
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{
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try
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{
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EventLogEntryType LogEntryType;
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switch (level)
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{
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case TraceLevel.Error:
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LogEntryType = EventLogEntryType.Error;
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break;
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case TraceLevel.Warning:
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LogEntryType = EventLogEntryType.Warning;
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break;
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case TraceLevel.Info:
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LogEntryType = EventLogEntryType.Information;
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break;
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case TraceLevel.Verbose:
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LogEntryType = EventLogEntryType.SuccessAudit;
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break;
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default:
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LogEntryType = EventLogEntryType.SuccessAudit;
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break;
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}
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EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
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//写入事件日志
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eventLog.WriteEntry(messageText, LogEntryType);
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}
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catch
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{} //忽略任何异常
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}
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} //class ApplicationLog
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}
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12.Panel 横向滚动,纵向自动扩展
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<asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
13.回车转换成Tab
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<script language="javascript" for="document" event="onkeydown">
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
event.keyCode=9;
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
</script>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
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onkeydown="if(event.keyCode==13) event.keyCode=9"
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
14.DataGrid超级连接列
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DataNavigateUrlField="字段名" DataNavigateUrlFormatString="http://xx/inc/delete.aspx?ID={0}"
15.DataGrid行随鼠标变色
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private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
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{
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if (e.Item.ItemType!=ListItemType.Header)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
![](http://www.cnblogs.com/Images/dot.gif)
{
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=/""+e.Item.Style["BACKGROUND-COLOR"]+"/"");
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=/""+ "#EFF3F7"+"/"");
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif)
}
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
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16.模板列
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<ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
<ITEMTEMPLATE>
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<ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
</ITEMTEMPLATE>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
</ASP:TEMPLATECOLUMN>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
<ASP:TEMPLATECOLUMN headertext="选中">
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
<HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
<ITEMTEMPLATE>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
<ASP:CHECKBOX id="chkExport" runat="server" />
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
</ITEMTEMPLATE>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
<EDITITEMTEMPLATE>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
<ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
</EDITITEMTEMPLATE>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
</ASP:TEMPLATECOLUMN>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
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后台代码
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedBlock.gif)
![](http://www.cnblogs.com/Images/dot.gif)
{
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
//改变列的选定,实现全选或全不选。
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
CheckBox chkExport ;
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if( CheckAll.Checked)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
![](http://www.cnblogs.com/Images/dot.gif)
{
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
![](http://www.cnblogs.com/Images/dot.gif)
{
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
chkExport.Checked = true;
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
else
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
![](http://www.cnblogs.com/Images/dot.gif)
{
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
![](http://www.cnblogs.com/Images/dot.gif)
{
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
chkExport.Checked = false;
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif)
}
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
17.数字格式化
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
<%#Container.DataItem("price","{0:¥#,##0.00}")%>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
int i=123456;
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
string s=i.ToString("###,###.00");
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
18.日期格式化
【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
显示为: 2004-8-11 19:44:28
我只想要:2004-8-11 】
应该如何改?
【格式化日期】
取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
【日期的验证表达式】
A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
19【大小写转换】
20.如何设定全局变量
Global.asax中
Application_Start()事件中
添加Application[属性名] = xxx;
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
//自定义异常处理类
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
using System;
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Diagnostics;
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
namespace MyAppException
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedBlock.gif)
![](http://www.cnblogs.com/Images/dot.gif)
{
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
/**//// <summary>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// 从系统异常类ApplicationException继承的应用程序异常处理类。
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// 自动将异常内容记录到Windows NT/2000的应用程序日志
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
/// </summary>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public class AppException:System.ApplicationException
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
![](http://www.cnblogs.com/Images/dot.gif)
{
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public AppException()
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
![](http://www.cnblogs.com/Images/dot.gif)
{
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public AppException(string message)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
![](http://www.cnblogs.com/Images/dot.gif)
{
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
LogEvent(message);
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public AppException(string message,Exception innerException)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
![](http://www.cnblogs.com/Images/dot.gif)
{
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
LogEvent(message);
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if (innerException != null)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
![](http://www.cnblogs.com/Images/dot.gif)
{
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
LogEvent(innerException.Message);
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
//日志记录类
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
using System;
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
using System.Configuration;
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
using System.Diagnostics;
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
using System.IO;
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
using System.Text;
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
using System.Threading;
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
namespace MyEventLog
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
![](http://www.cnblogs.com/Images/dot.gif)
{
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
/**//// <summary>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// 事件日志记录类,提供事件日志记录支持
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// <remarks>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// 定义了4个日志记录方法 (error, warning, info, trace)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// </remarks>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
/// </summary>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public class ApplicationLog
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
![](http://www.cnblogs.com/Images/dot.gif)
{
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
/**//// <summary>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// 将错误信息记录到Win2000/NT事件日志中
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// <param name="message">需要记录的文本信息</param>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
/// </summary>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public static void WriteError(String message)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
![](http://www.cnblogs.com/Images/dot.gif)
{
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
WriteLog(TraceLevel.Error, message);
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
/**//// <summary>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// 将警告信息记录到Win2000/NT事件日志中
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// <param name="message">需要记录的文本信息</param>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
/// </summary>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public static void WriteWarning(String message)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
![](http://www.cnblogs.com/Images/dot.gif)
{
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
WriteLog(TraceLevel.Warning, message);
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
/**//// <summary>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// 将提示信息记录到Win2000/NT事件日志中
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// <param name="message">需要记录的文本信息</param>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
/// </summary>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public static void WriteInfo(String message)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
![](http://www.cnblogs.com/Images/dot.gif)
{
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
WriteLog(TraceLevel.Info, message);
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
/**//// <summary>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// 将跟踪信息记录到Win2000/NT事件日志中
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// <param name="message">需要记录的文本信息</param>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
/// </summary>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public static void WriteTrace(String message)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
![](http://www.cnblogs.com/Images/dot.gif)
{
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
WriteLog(TraceLevel.Verbose, message);
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
/**//// <summary>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// 格式化记录到事件日志的文本信息格式
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// <param name="ex">需要格式化的异常对象</param>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// <param name="catchInfo">异常信息标题字符串.</param>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// <retvalue>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// </retvalue>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
/// </summary>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public static String FormatException(Exception ex, String catchInfo)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
![](http://www.cnblogs.com/Images/dot.gif)
{
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
StringBuilder strBuilder = new StringBuilder();
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if (catchInfo != String.Empty)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
![](http://www.cnblogs.com/Images/dot.gif)
{
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
strBuilder.Append(catchInfo).Append("/r/n");
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
strBuilder.Append(ex.Message).Append("/r/n").Append(ex.StackTrace);
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
return strBuilder.ToString();
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
/**//// <summary>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// 实际事件日志写入方法
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
/// <param name="messageText">要记录的文本.</param>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
/// </summary>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
private static void WriteLog(TraceLevel level, String messageText)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
![](http://www.cnblogs.com/Images/dot.gif)
{
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
try
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
![](http://www.cnblogs.com/Images/dot.gif)
{
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
EventLogEntryType LogEntryType;
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
switch (level)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
![](http://www.cnblogs.com/Images/dot.gif)
{
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
case TraceLevel.Error:
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
LogEntryType = EventLogEntryType.Error;
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
break;
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
case TraceLevel.Warning:
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
LogEntryType = EventLogEntryType.Warning;
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
break;
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
case TraceLevel.Info:
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
LogEntryType = EventLogEntryType.Information;
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
break;
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
case TraceLevel.Verbose:
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
LogEntryType = EventLogEntryType.SuccessAudit;
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
break;
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
default:
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
LogEntryType = EventLogEntryType.SuccessAudit;
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
break;
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
//写入事件日志
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
eventLog.WriteEntry(messageText, LogEntryType);
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
catch
![](http://www.cnblogs.com/Images/dot.gif)
{} //忽略任何异常
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
} //class ApplicationLog
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
12.Panel 横向滚动,纵向自动扩展
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
<asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
13.回车转换成Tab
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
<script language="javascript" for="document" event="onkeydown">
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
event.keyCode=9;
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
</script>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
onkeydown="if(event.keyCode==13) event.keyCode=9"
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
14.DataGrid超级连接列
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
DataNavigateUrlField="字段名" DataNavigateUrlFormatString="http://xx/inc/delete.aspx?ID={0}"
15.DataGrid行随鼠标变色
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedBlock.gif)
![](http://www.cnblogs.com/Images/dot.gif)
{
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if (e.Item.ItemType!=ListItemType.Header)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
![](http://www.cnblogs.com/Images/dot.gif)
{
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=/""+e.Item.Style["BACKGROUND-COLOR"]+"/"");
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=/""+ "#EFF3F7"+"/"");
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif)
}
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
16.模板列
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
<ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
<ITEMTEMPLATE>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
<ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
</ITEMTEMPLATE>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
</ASP:TEMPLATECOLUMN>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
<ASP:TEMPLATECOLUMN headertext="选中">
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
<HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
<ITEMTEMPLATE>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
<ASP:CHECKBOX id="chkExport" runat="server" />
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
</ITEMTEMPLATE>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
<EDITITEMTEMPLATE>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
<ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
</EDITITEMTEMPLATE>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
</ASP:TEMPLATECOLUMN>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
后台代码
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedBlock.gif)
![](http://www.cnblogs.com/Images/dot.gif)
{
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
//改变列的选定,实现全选或全不选。
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
CheckBox chkExport ;
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if( CheckAll.Checked)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
![](http://www.cnblogs.com/Images/dot.gif)
{
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
![](http://www.cnblogs.com/Images/dot.gif)
{
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
chkExport.Checked = true;
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
else
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
![](http://www.cnblogs.com/Images/dot.gif)
{
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif)
![](http://www.cnblogs.com/Images/dot.gif)
{
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
chkExport.Checked = false;
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif)
}
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
17.数字格式化
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
<%#Container.DataItem("price","{0:¥#,##0.00}")%>
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
int i=123456;
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
string s=i.ToString("###,###.00");
![](http://ghd258.cnblogs.com/Images/OutliningIndicators/None.gif)
18.日期格式化
【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
显示为: 2004-8-11 19:44:28
我只想要:2004-8-11 】
<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
应该如何改?
【格式化日期】
取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
【日期的验证表达式】
A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
^((/d{2}(([02468][048])|([13579][26]))[/-///s]?((((0?[13578])|(1[02]))[/-///s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[/-///s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[/-///s]?((0?[1-9])|([1-2][0-9])))))|(/d{2}(([02468][1235679])|([13579][01345789]))[/-///s]?((((0?[13578])|(1[02]))[/-///s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[/-///s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[/-///s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(/s(((0?[1-9])|(1[0-2]))/:([0-5][0-9])((/s)|(/:([0-5][0-9])/s))([AM|PM|am|pm]{2,2})))?$
B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
^/d{4}[/-///s]?((((0[13578])|(1[02]))[/-///s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[/-///s]?(([0-2][0-9])|(30)))|(02[/-///s]?[0-2][0-9]))$
19【大小写转换】
HttpUtility.HtmlEncode(string); HttpUtility.HtmlDecode(string);
20.如何设定全局变量
Global.asax中
Application_Start()事件中
添加Application[属性名] = xxx;
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