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ASP.NET DataGrid自定义分页源程序[简单实用]

2009-08-08 10:26 323 查看
首先新建一个名为article.aspx的文件,将以下内容拷贝到article.aspx.cs中:
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.Data.SqlClient;
public partial class article : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
int cpage = Convert.ToInt32(Request.QueryString["page"]);
if(cpage==0)
{
this.hlFrontPage.NavigateUrl = Request.ServerVariables["SCRIPT_NAME"];
this.hlNextPage.NavigateUrl = Request.ServerVariables["SCRIPT_NAME"] + "?page=" + Convert.ToString(cpage + 2);
}
else
{
this.hlFrontPage.NavigateUrl = Request.ServerVariables["SCRIPT_NAME"] + "?page=" + Convert.ToString(cpage - 1);
this.hlNextPage.NavigateUrl = Request.ServerVariables["SCRIPT_NAME"] + "?page=" + Convert.ToString(cpage + 1);
}
this.hlFirstPage.NavigateUrl = Request.ServerVariables["SCRIPT_NAME"];
dataBin();
//***************************************************
//PageCount的值必须在数据绑定之后才能得到,否则只能是0
//***************************************************
int lastPage =this.DataGrid1.PageCount;//lastPage是记录总页数
this.hlLastPage.NavigateUrl = Request.ServerVariables["SCRIPT_NAME"] + "?page="+Convert.ToInt32(lastPage);
if (cpage ==Convert.ToInt32(this.DataGrid1.PageCount))
{
this.hlNextPage.NavigateUrl = Request.ServerVariables["SCRIPT_NAME"] + "?page=" + Convert.ToString(lastPage);
this.hlFrontPage.NavigateUrl = Request.ServerVariables["SCRIPT_NAME"] + "?page=" + Convert.ToString(cpage - 1);
}
this.lbShowMess.Text= "当前第"+Convert.ToInt32(this.DataGrid1.CurrentPageIndex+1)+"页";
}
public void dataBin()
{
DB mydb = new DB();
SqlConnection conn = mydb.createConn();
conn.Open();
SqlDataAdapter sdr = new SqlDataAdapter();
DataSet ds = new DataSet();

sdr.SelectCommand = new SqlCommand("select * from [User]", conn);
sdr.Fill(ds, "users");

int page=Convert.ToInt32(Request.QueryString["page"]);
if (page == 0)
{
page = 1;
}
this.DataGrid1.CurrentPageIndex =Convert.ToInt32(page-1);
this.DataGrid1.DataSource = ds.Tables["users"];
this.DataGrid1.DataBind();
conn.Close();
}
protected void DataGrid1_PageIndexChanged(object source, DataGridPageChangedEventArgs e)
{

}
}

再将以下内容拷贝到article.aspx中

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="article.aspx.cs" Inherits="article" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>无标题页</title>
<mce:style type="text/css"><!--
@import url('css.css');

--></mce:style><style type="text/css" mce_bogus="1">    @import url('css.css');
</style>
</head>
<body>
<form id="form1" runat="server">
<div style="text-align: center" mce_style="text-align: center">
<asp:DataGrid ID="DataGrid1" runat="server" AutoGenerateColumns="False" AllowPaging="True" OnPageIndexChanged="DataGrid1_PageIndexChanged" Width="500px" ShowHeader="False" BackColor="White" BorderColor="#CC9966" BorderStyle="None" CellPadding="4" Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False" Font-Underline="False" GridLines="None">
<Columns>
<asp:TemplateColumn>
<ItemTemplate>
<%# DataBinder.Eval(Container.DataItem,"id") %>
</ItemTemplate>
<HeaderStyle Width="10px" />
<ItemStyle Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False"
Font-Underline="False" HorizontalAlign="Left" />
</asp:TemplateColumn>
<asp:TemplateColumn>
<ItemTemplate>
<%# DataBinder.Eval(Container.DataItem,"Uid") %>
</ItemTemplate>
<ItemStyle Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False"
Font-Underline="False" HorizontalAlign="Left" />
<HeaderStyle Width="450px" />
</asp:TemplateColumn>
<asp:TemplateColumn>
<ItemTemplate>
<%# DataBinder.Eval(Container.DataItem,"title") %>
</ItemTemplate>
<HeaderStyle Width="30px" />
<ItemStyle Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False"
Font-Underline="False" HorizontalAlign="Center" />
</asp:TemplateColumn>
<asp:TemplateColumn>
<ItemTemplate>
<input id="Checkbox1" type="checkbox" value="<%# DataBinder.Eval(Container.DataItem,"id") %>" />
</ItemTemplate>
<HeaderStyle Width="10px" />
<ItemStyle Font-Bold="False" Font-Italic="False" Font-Overline="False" Font-Strikeout="False"
Font-Underline="False" HorizontalAlign="Center" />
</asp:TemplateColumn>
</Columns>
<PagerStyle Visible="False" BackColor="#FFFFCC" ForeColor="#330099" HorizontalAlign="Center" />
<FooterStyle BackColor="#FFFFCC" ForeColor="#330099" />
<SelectedItemStyle BackColor="#FFCC66" Font-Bold="True" ForeColor="#663399" />
<ItemStyle BackColor="White" ForeColor="#330099" />
<HeaderStyle BackColor="#990000" Font-Bold="True" ForeColor="#FFFFCC" />
</asp:DataGrid>  <br />
<asp:HyperLink ID="hlFirstPage" runat="server">首页</asp:HyperLink>
<asp:HyperLink ID="hlFrontPage" runat="server">上一页</asp:HyperLink>
<asp:HyperLink ID="hlNextPage" runat="server">下一页</asp:HyperLink>

<asp:HyperLink ID="hlLastPage" runat="server">末页</asp:HyperLink>
<asp:Label ID="lbShowMess" runat="server" Width="104px"></asp:Label></div>
</form>
</body>
</html>
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