【转载】gridview修改，添加，删除…
2014-08-07 13:22
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cs代码：
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Globalization;
using System.Data.OracleClient;
using System.IO;
using System.Text;
using System.Text.RegularExpressions;
using Hhxx.App_Code.DatabaseOperate;
using Hhxx.App_Code.Database;
using Hhxx.App_Code.Common;
public partial class InterFace_RenShi_PeiXunJinXiu : System.Web.UI.Page
{
//SELECT 建立日期,员工编号,姓名,性别,民族,籍贯,出生日期,政治面貌,婚姻状况,学历,户口,身份证号,职称,所属部门,岗位,入厂时间,转正时间,合同到期,用工形式,档案资料,工作状态,是否涉密,薪金,电话,手机,电子邮件,QQ号,简介,备注,经办人,SN
private String querySql = "SELECT 建立日期,员工编号,姓名,性别,民族,籍贯,出生日期,政治面貌,婚姻状况,学历,户口,身份证号,职称,所属部门,岗位,入厂时间,转正时间,合同到期,用工形式,档案资料,工作状态,是否涉密,薪金,电话,手机,电子邮件,QQ号,经办人,SN FROM renshixinxi ";
protected void Page_Load(object sender, EventArgs e)
{
this.MenuCaidan.Items[0].Enabled = true;
this.MenuCaidan.Items[1].Enabled = false;
if (!Page.IsPostBack)
{
dropDownListInit();
// 初始化默认Gridview的SQL语句
fillGridView(querySql);
}
// gridview 换行控制
this.GridViewXinXiLan.Attributes.Add("style", "word-break:keep-all;word-wrap:normal");
}
/// <summary>
/// 点击菜单
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void MenuCaidan_MenuItemClick(object sender, MenuEventArgs e)
{
switch (MenuCaidan.SelectedItem.Text.Trim())
{
case "人事栏":
{
MultiViewXinXiGuanLi.ActiveViewIndex = 0;
fillGridView(querySql);
break;
}
case "培训进修": MultiViewXinXiGuanLi.ActiveViewIndex = 1;
break;
default: break;
}
}
/// <summary>
/// 条件查询
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void ButtonTiJianChaXun_Click(object sender, EventArgs e)
{
String strCondition = "";
String strChoose = "";
if (TextBoxOne.Text.Trim().Length != 0)
{
String tempStr = DropDownListTiaoJianOne.SelectedItem.Value;
switch (tempStr)
{
case "包含": strChoose = " LIKE ";
break;
case "不包含": strChoose = " NOT LIKE ";
break;
}
if (strCondition.Length == 0)
{
strCondition = strCondition + DropDownListLeiBeiOne.SelectedItem.Value + strChoose + "'%" + TextBoxOne.Text.Trim() + "%'";
}
else
{
strCondition = strCondition + "AND " + DropDownListLeiBeiOne.SelectedItem.Value + strChoose + "'%" + TextBoxOne.Text.Trim() + "%'";
}
}
if (TextBoxTwo.Text.Trim().Length != 0)
{
String tempStr = DropDownListTiaoJianTwo.SelectedItem.Value;
switch (tempStr)
{
case "包含": strChoose = " LIKE ";
break;
case "不包含": strChoose = " NOT LIKE ";
break;
}
if (strCondition.Length == 0)
{
strCondition = strCondition + DropDownListLeiBeiTwo.SelectedItem.Value + strChoose + "'%" + TextBoxTwo.Text.Trim() + "%'";
}
else
{
strCondition = strCondition + "AND " + DropDownListLeiBeiTwo.SelectedItem.Value + strChoose + "'%" + TextBoxTwo.Text.Trim() + "%'";
}
}
if (TextBoxThree.Text.Trim().Length != 0)
{
String tempStr = DropDownListTiaoJianThree.SelectedItem.Value;
switch (tempStr)
{
case "等于": strChoose = "=";
break;
case "大于": strChoose = ">";
break;
case "小于": strChoose = "<";
break;
}
if (strCondition.Length == 0)
{
strCondition = strCondition + DropDownListLeiBeiThree.SelectedItem.Value + strChoose + TextBoxThree.Text.Trim();
}
else
{
strCondition = strCondition + "AND " + DropDownListLeiBeiThree.SelectedItem.Value + strChoose + TextBoxThree.Text.Trim();
}
}
if (TextBoxFour.Text.Trim().Length != 0)
{
String tempStr = DropDownListTiaoJianFour.SelectedItem.Value;
switch (tempStr)
{
case "等于": strChoose = "=";
break;
case "大于": strChoose = ">";
break;
case "小于": strChoose = "<";
break;
}
if (strCondition.Length == 0)
{
strCondition = strCondition + DropDownListLeiBeiFour.SelectedItem.Value + strChoose + TextBoxFour.Text.Trim();
}
else
{
strCondition = strCondition + "AND " + DropDownListLeiBeiFour.SelectedItem.Value + strChoose + TextBoxFour.Text.Trim();
}
}
if (strCondition.Length != 0)
{
strCondition = " where " + strCondition;
}
strCondition = strCondition + " ORDER BY " + DropDownListPaiXuFangShi.SelectedItem.Value.Trim();
String strSql = querySql + strCondition;
String mQuerySql = strSql;
// 填充表格
fillGridView(mQuerySql);
// 保存SQL语句
ViewState["sql"] = mQuerySql;
}
/// <summary>
/// 初始化DropDownList
/// </summary>
private void dropDownListInit()
{
GetTableInformation getTableInformation = new GetTableInformation();
// 获取表结构信息
Hashtable tableInfor = getTableInformation.getTableInfor("renshixinxi");
// 移除SN
tableInfor.Remove("SN");
foreach (DictionaryEntry de in tableInfor)
{
String key = de.Key.ToString();
String value = de.Value.ToString();
switch (value)
{
case "CHAR":
DropDownListLeiBeiOne.Items.Add(key);
DropDownListLeiBeiTwo.Items.Add(key);
// 排序方式下拉框添加数据字段
DropDownListPaiXuFangShi.Items.Add(key);
break;
case "VARCHAR2":
DropDownListLeiBeiOne.Items.Add(key);
DropDownListLeiBeiTwo.Items.Add(key);
// 排序方式下拉框添加数据字段
DropDownListPaiXuFangShi.Items.Add(key);
break;
case "NUMBER":
DropDownListLeiBeiThree.Items.Add(key);
DropDownListLeiBeiFour.Items.Add(key);
// 排序方式下拉框添加数据字段
DropDownListPaiXuFangShi.Items.Add(key);
break;
}
}
DropDownListTiaoJianOne.Items.Add("包含");
DropDownListTiaoJianOne.Items.Add("不包含");
DropDownListTiaoJianTwo.Items.Add("包含");
DropDownListTiaoJianTwo.Items.Add("不包含");
DropDownListTiaoJianThree.Items.Add("等于");
DropDownListTiaoJianThree.Items.Add("小于");
DropDownListTiaoJianThree.Items.Add("大于");
DropDownListTiaoJianFour.Items.Add("等于");
DropDownListTiaoJianFour.Items.Add("小于");
DropDownListTiaoJianFour.Items.Add("大于");
if (DropDownListLeiBeiOne.Items.Count == 0)
{
this.DropDownListLeiBeiOne.Visible = false;
this.DropDownListTiaoJianOne.Visible = false;
this.TextBoxOne.Visible = false;
}
if (DropDownListLeiBeiTwo.Items.Count == 0)
{
this.DropDownListLeiBeiTwo.Visible = false;
this.DropDownListTiaoJianTwo.Visible = false;
this.TextBoxTwo.Visible = false;
}
if (DropDownListLeiBeiThree.Items.Count == 0)
{
this.DropDownListLeiBeiThree.Visible = false;
this.DropDownListTiaoJianThree.Visible = false;
this.TextBoxThree.Visible = false;
}
if (DropDownListLeiBeiFour.Items.Count == 0)
{
this.DropDownListLeiBeiFour.Visible = false;
this.DropDownListTiaoJianFour.Visible = false;
this.TextBoxFour.Visible = false;
}
}
/// <summary>
/// 填充GridView
/// </summary>
private void fillGridView(String querySql)
{
DataSet ds = new DataSet();
ds = GetData(querySql);
// 清空以前的数据源
GridViewXinXiLan.DataSource = null;
// 将ds作为信息栏GridView的数据源
GridViewXinXiLan.DataSource = ds;
// 绑定数据
GridViewXinXiLan.DataBind();
// 分页的相关参数设置
getRefSet(ds);
// 保存数据源 防止丢失 VS的破Bug
ViewState["GridViewXinXiLan_DataSource"] = GridViewXinXiLan.DataSource;
// 保存SQL语句
ViewState["sql"] = querySql;
}
/// <summary>
/// 填充GridView
/// </summary>
private void fillGridViewTianJia(String querySql)
{
DataSet ds = new DataSet();
ds = GetData(querySql);
// 清空以前的数据源
GridViewTianJia.DataSource = null;
// 将ds作为信息栏GridView的数据源
GridViewTianJia.DataSource = ds;
// 绑定数据
GridViewTianJia.DataBind();
// 分页的相关参数设置
getRefSet(ds);
// 保存数据源 防止丢失 VS的破Bug
ViewState["GridViewTianJia_DataSource"] = this.GridViewTianJia.DataSource;
// 保存SQL语句
ViewState["sql"] = querySql;
// gridview 换行控制
this.GridViewTianJia.Attributes.Add("style", "word-break:keep-all;word-wrap:normal");
}
/// <summary>
/// 转换SQL查询结果为DataSet
/// </summary>
/// <returns>ds</returns>
private DataSet GetData(String querySql)
{
String connStr = OracleHelper.DatabaseConnStr;
// 创建数据集
DataSet ds = OracleHelper.ExeSqlForDataSet(connStr, CommandType.Text, querySql, null);
return ds;
}
/// <summary>
/// 首页，上一页，下一页，尾页公用的点击程序
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void PagerButtonClick(object sender, EventArgs e)
{
// CommandArgument对应该对象在页面初始化后的设定值
// 减1 是因为系统默认首页的PageIndex为0，为了符合人们的正常思维而使用
// 重新绑定
GridViewXinXiLan.DataSource = ViewState["GridViewXinXiLan_DataSource"];
GridViewXinXiLan.PageIndex = Convert.ToInt32(((LinkButton)sender).CommandArgument) - 1;
GridViewXinXiLan.DataBind();
// 更新当前页面显示值
lblCurrentIndex.Text = "第 " + (GridViewXinXiLan.PageIndex + 1).ToString() + " 页";
// 更新参数
lnkbtnPre.CommandArgument = (GridViewXinXiLan.PageIndex == 0 ? "1" : GridViewXinXiLan.PageIndex.ToString());
lnkbtnNext.CommandArgument = (GridViewXinXiLan.PageCount == 1 ? GridViewXinXiLan.PageCount.ToString() : (GridViewXinXiLan.PageIndex + 2).ToString());
}
/// <summary>
/// 分页的相关参数设置
/// </summary>
/// <param name="ds"></param>
protected void getRefSet(DataSet ds)
{
lblCurrentIndex.Text = "第 " + (GridViewXinXiLan.PageIndex + 1).ToString() + " 页";
lblPageCount.Text = "共 " + GridViewXinXiLan.PageCount.ToString() + " 页";
lblRecordCount.Text = "总共 " + ds.Tables[0].Rows.Count.ToString() + " 条";
if (ds.Tables[0].Rows.Count == 0)
{
lnkbtnFirst.Visible = false;
lnkbtnPre.Visible = false;
lnkbtnNext.Visible = false;
lnkbtnLast.Visible = false;
lblCurrentIndex.Visible = false;
lblPageCount.Visible = false;
lblRecordCount.Visible = false;
this.lnkbtnJumpPage.Visible = false;
this.txtJumpPage.Visible = false;
}
else if (GridViewXinXiLan.PageCount == 1)
{
lnkbtnFirst.Visible = false;
lnkbtnPre.Visible = false;
lnkbtnNext.Visible = false;
lnkbtnLast.Visible = false;
}
// 设置LinkButton此时对应的参数
lnkbtnFirst.CommandArgument = "1";
lnkbtnPre.CommandArgument = (GridViewXinXiLan.PageIndex == 0 ? "1" : GridViewXinXiLan.PageIndex.ToString());
lnkbtnNext.CommandArgument = (GridViewXinXiLan.PageCount == 1 ? GridViewXinXiLan.PageCount.ToString() : (GridViewXinXiLan.PageIndex + 2).ToString());
lnkbtnLast.CommandArgument = GridViewXinXiLan.PageCount.ToString();
}
/// <summary>
/// 跳转到指定页面，页面参数由txtJumpPage获取
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void lnkbtnJumpPage_Click(object sender, EventArgs e)
{
// 减1 是因为系统默认首页的PageIndex为0，为了符合人们的正常思维而使用
// 重新绑定
GridViewXinXiLan.DataSource = ViewState["GridViewXinXiLan_DataSource"];
GridViewXinXiLan.PageIndex = int.Parse(txtJumpPage.Text) - 1;
GridViewXinXiLan.DataBind();
// 更新当前页面显示值
lblCurrentIndex.Text = "第 " + (GridViewXinXiLan.PageIndex + 1).ToString() + " 页";
// 更新参数
lnkbtnPre.CommandArgument = (GridViewXinXiLan.PageIndex == 0 ? "1" : GridViewXinXiLan.PageIndex.ToString());
lnkbtnNext.CommandArgument = (GridViewXinXiLan.PageCount == 1 ? GridViewXinXiLan.PageCount.ToString() : (GridViewXinXiLan.PageIndex + 2).ToString());
}
/// <summary>
/// 解决数据源不能分页的问题
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void GridViewXinXiLan_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
// 读取数据源 设定显示值 并绑定
GridViewXinXiLan.DataSource = ViewState["GridViewXinXiLan_DataSource"];
GridViewXinXiLan.PageIndex = e.NewPageIndex;
GridViewXinXiLan.DataBind();
}
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Globalization;
using System.Data.OracleClient;
using System.IO;
using System.Text;
using System.Text.RegularExpressions;
using Hhxx.App_Code.DatabaseOperate;
using Hhxx.App_Code.Database;
using Hhxx.App_Code.Common;
public partial class InterFace_RenShi_PeiXunJinXiu : System.Web.UI.Page
{
//SELECT 建立日期,员工编号,姓名,性别,民族,籍贯,出生日期,政治面貌,婚姻状况,学历,户口,身份证号,职称,所属部门,岗位,入厂时间,转正时间,合同到期,用工形式,档案资料,工作状态,是否涉密,薪金,电话,手机,电子邮件,QQ号,简介,备注,经办人,SN
private String querySql = "SELECT 建立日期,员工编号,姓名,性别,民族,籍贯,出生日期,政治面貌,婚姻状况,学历,户口,身份证号,职称,所属部门,岗位,入厂时间,转正时间,合同到期,用工形式,档案资料,工作状态,是否涉密,薪金,电话,手机,电子邮件,QQ号,经办人,SN FROM renshixinxi ";
protected void Page_Load(object sender, EventArgs e)
{
this.MenuCaidan.Items[0].Enabled = true;
this.MenuCaidan.Items[1].Enabled = false;
if (!Page.IsPostBack)
{
dropDownListInit();
// 初始化默认Gridview的SQL语句
fillGridView(querySql);
}
// gridview 换行控制
this.GridViewXinXiLan.Attributes.Add("style", "word-break:keep-all;word-wrap:normal");
}
/// <summary>
/// 点击菜单
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void MenuCaidan_MenuItemClick(object sender, MenuEventArgs e)
{
switch (MenuCaidan.SelectedItem.Text.Trim())
{
case "人事栏":
{
MultiViewXinXiGuanLi.ActiveViewIndex = 0;
fillGridView(querySql);
break;
}
case "培训进修": MultiViewXinXiGuanLi.ActiveViewIndex = 1;
break;
default: break;
}
}
/// <summary>
/// 条件查询
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void ButtonTiJianChaXun_Click(object sender, EventArgs e)
{
String strCondition = "";
String strChoose = "";
if (TextBoxOne.Text.Trim().Length != 0)
{
String tempStr = DropDownListTiaoJianOne.SelectedItem.Value;
switch (tempStr)
{
case "包含": strChoose = " LIKE ";
break;
case "不包含": strChoose = " NOT LIKE ";
break;
}
if (strCondition.Length == 0)
{
strCondition = strCondition + DropDownListLeiBeiOne.SelectedItem.Value + strChoose + "'%" + TextBoxOne.Text.Trim() + "%'";
}
else
{
strCondition = strCondition + "AND " + DropDownListLeiBeiOne.SelectedItem.Value + strChoose + "'%" + TextBoxOne.Text.Trim() + "%'";
}
}
if (TextBoxTwo.Text.Trim().Length != 0)
{
String tempStr = DropDownListTiaoJianTwo.SelectedItem.Value;
switch (tempStr)
{
case "包含": strChoose = " LIKE ";
break;
case "不包含": strChoose = " NOT LIKE ";
break;
}
if (strCondition.Length == 0)
{
strCondition = strCondition + DropDownListLeiBeiTwo.SelectedItem.Value + strChoose + "'%" + TextBoxTwo.Text.Trim() + "%'";
}
else
{
strCondition = strCondition + "AND " + DropDownListLeiBeiTwo.SelectedItem.Value + strChoose + "'%" + TextBoxTwo.Text.Trim() + "%'";
}
}
if (TextBoxThree.Text.Trim().Length != 0)
{
String tempStr = DropDownListTiaoJianThree.SelectedItem.Value;
switch (tempStr)
{
case "等于": strChoose = "=";
break;
case "大于": strChoose = ">";
break;
case "小于": strChoose = "<";
break;
}
if (strCondition.Length == 0)
{
strCondition = strCondition + DropDownListLeiBeiThree.SelectedItem.Value + strChoose + TextBoxThree.Text.Trim();
}
else
{
strCondition = strCondition + "AND " + DropDownListLeiBeiThree.SelectedItem.Value + strChoose + TextBoxThree.Text.Trim();
}
}
if (TextBoxFour.Text.Trim().Length != 0)
{
String tempStr = DropDownListTiaoJianFour.SelectedItem.Value;
switch (tempStr)
{
case "等于": strChoose = "=";
break;
case "大于": strChoose = ">";
break;
case "小于": strChoose = "<";
break;
}
if (strCondition.Length == 0)
{
strCondition = strCondition + DropDownListLeiBeiFour.SelectedItem.Value + strChoose + TextBoxFour.Text.Trim();
}
else
{
strCondition = strCondition + "AND " + DropDownListLeiBeiFour.SelectedItem.Value + strChoose + TextBoxFour.Text.Trim();
}
}
if (strCondition.Length != 0)
{
strCondition = " where " + strCondition;
}
strCondition = strCondition + " ORDER BY " + DropDownListPaiXuFangShi.SelectedItem.Value.Trim();
String strSql = querySql + strCondition;
String mQuerySql = strSql;
// 填充表格
fillGridView(mQuerySql);
// 保存SQL语句
ViewState["sql"] = mQuerySql;
}
/// <summary>
/// 初始化DropDownList
/// </summary>
private void dropDownListInit()
{
GetTableInformation getTableInformation = new GetTableInformation();
// 获取表结构信息
Hashtable tableInfor = getTableInformation.getTableInfor("renshixinxi");
// 移除SN
tableInfor.Remove("SN");
foreach (DictionaryEntry de in tableInfor)
{
String key = de.Key.ToString();
String value = de.Value.ToString();
switch (value)
{
case "CHAR":
DropDownListLeiBeiOne.Items.Add(key);
DropDownListLeiBeiTwo.Items.Add(key);
// 排序方式下拉框添加数据字段
DropDownListPaiXuFangShi.Items.Add(key);
break;
case "VARCHAR2":
DropDownListLeiBeiOne.Items.Add(key);
DropDownListLeiBeiTwo.Items.Add(key);
// 排序方式下拉框添加数据字段
DropDownListPaiXuFangShi.Items.Add(key);
break;
case "NUMBER":
DropDownListLeiBeiThree.Items.Add(key);
DropDownListLeiBeiFour.Items.Add(key);
// 排序方式下拉框添加数据字段
DropDownListPaiXuFangShi.Items.Add(key);
break;
}
}
DropDownListTiaoJianOne.Items.Add("包含");
DropDownListTiaoJianOne.Items.Add("不包含");
DropDownListTiaoJianTwo.Items.Add("包含");
DropDownListTiaoJianTwo.Items.Add("不包含");
DropDownListTiaoJianThree.Items.Add("等于");
DropDownListTiaoJianThree.Items.Add("小于");
DropDownListTiaoJianThree.Items.Add("大于");
DropDownListTiaoJianFour.Items.Add("等于");
DropDownListTiaoJianFour.Items.Add("小于");
DropDownListTiaoJianFour.Items.Add("大于");
if (DropDownListLeiBeiOne.Items.Count == 0)
{
this.DropDownListLeiBeiOne.Visible = false;
this.DropDownListTiaoJianOne.Visible = false;
this.TextBoxOne.Visible = false;
}
if (DropDownListLeiBeiTwo.Items.Count == 0)
{
this.DropDownListLeiBeiTwo.Visible = false;
this.DropDownListTiaoJianTwo.Visible = false;
this.TextBoxTwo.Visible = false;
}
if (DropDownListLeiBeiThree.Items.Count == 0)
{
this.DropDownListLeiBeiThree.Visible = false;
this.DropDownListTiaoJianThree.Visible = false;
this.TextBoxThree.Visible = false;
}
if (DropDownListLeiBeiFour.Items.Count == 0)
{
this.DropDownListLeiBeiFour.Visible = false;
this.DropDownListTiaoJianFour.Visible = false;
this.TextBoxFour.Visible = false;
}
}
/// <summary>
/// 填充GridView
/// </summary>
private void fillGridView(String querySql)
{
DataSet ds = new DataSet();
ds = GetData(querySql);
// 清空以前的数据源
GridViewXinXiLan.DataSource = null;
// 将ds作为信息栏GridView的数据源
GridViewXinXiLan.DataSource = ds;
// 绑定数据
GridViewXinXiLan.DataBind();
// 分页的相关参数设置
getRefSet(ds);
// 保存数据源 防止丢失 VS的破Bug
ViewState["GridViewXinXiLan_DataSource"] = GridViewXinXiLan.DataSource;
// 保存SQL语句
ViewState["sql"] = querySql;
}
/// <summary>
/// 填充GridView
/// </summary>
private void fillGridViewTianJia(String querySql)
{
DataSet ds = new DataSet();
ds = GetData(querySql);
// 清空以前的数据源
GridViewTianJia.DataSource = null;
// 将ds作为信息栏GridView的数据源
GridViewTianJia.DataSource = ds;
// 绑定数据
GridViewTianJia.DataBind();
// 分页的相关参数设置
getRefSet(ds);
// 保存数据源 防止丢失 VS的破Bug
ViewState["GridViewTianJia_DataSource"] = this.GridViewTianJia.DataSource;
// 保存SQL语句
ViewState["sql"] = querySql;
// gridview 换行控制
this.GridViewTianJia.Attributes.Add("style", "word-break:keep-all;word-wrap:normal");
}
/// <summary>
/// 转换SQL查询结果为DataSet
/// </summary>
/// <returns>ds</returns>
private DataSet GetData(String querySql)
{
String connStr = OracleHelper.DatabaseConnStr;
// 创建数据集
DataSet ds = OracleHelper.ExeSqlForDataSet(connStr, CommandType.Text, querySql, null);
return ds;
}
/// <summary>
/// 首页，上一页，下一页，尾页公用的点击程序
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void PagerButtonClick(object sender, EventArgs e)
{
// CommandArgument对应该对象在页面初始化后的设定值
// 减1 是因为系统默认首页的PageIndex为0，为了符合人们的正常思维而使用
// 重新绑定
GridViewXinXiLan.DataSource = ViewState["GridViewXinXiLan_DataSource"];
GridViewXinXiLan.PageIndex = Convert.ToInt32(((LinkButton)sender).CommandArgument) - 1;
GridViewXinXiLan.DataBind();
// 更新当前页面显示值
lblCurrentIndex.Text = "第 " + (GridViewXinXiLan.PageIndex + 1).ToString() + " 页";
// 更新参数
lnkbtnPre.CommandArgument = (GridViewXinXiLan.PageIndex == 0 ? "1" : GridViewXinXiLan.PageIndex.ToString());
lnkbtnNext.CommandArgument = (GridViewXinXiLan.PageCount == 1 ? GridViewXinXiLan.PageCount.ToString() : (GridViewXinXiLan.PageIndex + 2).ToString());
}
/// <summary>
/// 分页的相关参数设置
/// </summary>
/// <param name="ds"></param>
protected void getRefSet(DataSet ds)
{
lblCurrentIndex.Text = "第 " + (GridViewXinXiLan.PageIndex + 1).ToString() + " 页";
lblPageCount.Text = "共 " + GridViewXinXiLan.PageCount.ToString() + " 页";
lblRecordCount.Text = "总共 " + ds.Tables[0].Rows.Count.ToString() + " 条";
if (ds.Tables[0].Rows.Count == 0)
{
lnkbtnFirst.Visible = false;
lnkbtnPre.Visible = false;
lnkbtnNext.Visible = false;
lnkbtnLast.Visible = false;
lblCurrentIndex.Visible = false;
lblPageCount.Visible = false;
lblRecordCount.Visible = false;
this.lnkbtnJumpPage.Visible = false;
this.txtJumpPage.Visible = false;
}
else if (GridViewXinXiLan.PageCount == 1)
{
lnkbtnFirst.Visible = false;
lnkbtnPre.Visible = false;
lnkbtnNext.Visible = false;
lnkbtnLast.Visible = false;
}
// 设置LinkButton此时对应的参数
lnkbtnFirst.CommandArgument = "1";
lnkbtnPre.CommandArgument = (GridViewXinXiLan.PageIndex == 0 ? "1" : GridViewXinXiLan.PageIndex.ToString());
lnkbtnNext.CommandArgument = (GridViewXinXiLan.PageCount == 1 ? GridViewXinXiLan.PageCount.ToString() : (GridViewXinXiLan.PageIndex + 2).ToString());
lnkbtnLast.CommandArgument = GridViewXinXiLan.PageCount.ToString();
}
/// <summary>
/// 跳转到指定页面，页面参数由txtJumpPage获取
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void lnkbtnJumpPage_Click(object sender, EventArgs e)
{
// 减1 是因为系统默认首页的PageIndex为0，为了符合人们的正常思维而使用
// 重新绑定
GridViewXinXiLan.DataSource = ViewState["GridViewXinXiLan_DataSource"];
GridViewXinXiLan.PageIndex = int.Parse(txtJumpPage.Text) - 1;
GridViewXinXiLan.DataBind();
// 更新当前页面显示值
lblCurrentIndex.Text = "第 " + (GridViewXinXiLan.PageIndex + 1).ToString() + " 页";
// 更新参数
lnkbtnPre.CommandArgument = (GridViewXinXiLan.PageIndex == 0 ? "1" : GridViewXinXiLan.PageIndex.ToString());
lnkbtnNext.CommandArgument = (GridViewXinXiLan.PageCount == 1 ? GridViewXinXiLan.PageCount.ToString() : (GridViewXinXiLan.PageIndex + 2).ToString());
}
/// <summary>
/// 解决数据源不能分页的问题
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void GridViewXinXiLan_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
// 读取数据源 设定显示值 并绑定
GridViewXinXiLan.DataSource = ViewState["GridViewXinXiLan_DataSource"];
GridViewXinXiLan.PageIndex = e.NewPageIndex;
GridViewXinXiLan.DataBind();
}
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