.aspx文件
<%@ Page language="c#" Codebehind="MikeCat_MultiSelectGrid.aspx.cs" AutoEventWireup="false" Inherits="MikeCat_app2.MikeCat_MultiSelectGrid" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>MikeCat_MultiSelectGrid</title>
<meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
<meta name="CODE_LANGUAGE" Content="C#">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
<script language="javascript">
function SelectAll(o)
{
var input=document.getElementsByTagName("input");
for(i=0;i<input.length;i++)
{
if(input[i].type=="checkbox")
{
input[i].checked=o.checked;
}
}
}
</script>
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="Form1" method="post" runat="server">
<TABLE id="Table1" style="Z-INDEX: 103; LEFT: 0px; POSITION: absolute; TOP: 0px" cellSpacing="1"
cellPadding="1" width="100" border="0">
<TR>
<TD></TD>
</TR>
<TR>
<TD><asp:datagrid id="dgMulti" runat="server" Width="600px" AutoGenerateColumns="False" ShowFooter="True"
BorderColor="#3366CC" BorderStyle="None" BorderWidth="1px" BackColor="White" CellPadding="4">
<SelectedItemStyle Font-Bold="True" ForeColor="#CCFF99" BackColor="#009999"></SelectedItemStyle>
<ItemStyle HorizontalAlign="Center" ForeColor="#003399" BackColor="White"></ItemStyle>
<HeaderStyle Font-Bold="True" HorizontalAlign="Center" ForeColor="#CCCCFF" CssClass="header"
BackColor="#003399"></HeaderStyle>
<FooterStyle HorizontalAlign="Center" ForeColor="#003399" BorderStyle="None" BackColor="#99CCCC"></FooterStyle>
<Columns>
<asp:TemplateColumn>
<HeaderTemplate>
<asp:CheckBox id="AllChk" onclick="javascript:SelectAll(this);" ToolTip="全选/全不选" AutoPostBack="False"
Runat="server"></asp:CheckBox>
</HeaderTemplate>
<ItemTemplate>
<asp:CheckBox id="Chk" OnCheckedChanged="Chk_CheckedChanged" AutoPostBack="false" Runat="server"></asp:CheckBox>
</ItemTemplate>
<FooterTemplate>
<asp:CheckBox id="Checkbox1" onclick="javascript:SelectAll(this);" ToolTip="全选/全不选" AutoPostBack="False"
Runat="server"></asp:CheckBox>
</FooterTemplate>
</asp:TemplateColumn>
<asp:BoundColumn DataField="Topic" HeaderText="主题"></asp:BoundColumn>
<asp:BoundColumn DataField="Person" HeaderText="发布人"></asp:BoundColumn>
<asp:BoundColumn DataField="Time" HeaderText="发布时间"></asp:BoundColumn>
<asp:BoundColumn DataField="State" HeaderText="状态"></asp:BoundColumn>
</Columns>
<PagerStyle HorizontalAlign="Left" ForeColor="#003399" BackColor="#99CCCC" Mode="NumericPages"></PagerStyle>
</asp:datagrid></TD>
</TR>
<TR>
<TD><asp:Button id="Button1" runat="server" Text="查看选中数目"></asp:Button>
<asp:Label id="lbShow" runat="server" ForeColor="Maroon"></asp:Label></TD>
</TR>
</TABLE>
</form>
</body>
</HTML>
.aspx.cs文件
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
namespace MikeCat_app2
{
/// <summary>
/// MikeCat_MultiSelectGrid 的摘要说明。
/// </summary>
public class MikeCat_MultiSelectGrid : System.Web.UI.Page
{
protected System.Web.UI.WebControls.DataGrid dgMulti;
protected System.Web.UI.WebControls.Button Button1;
protected System.Web.UI.WebControls.Label lbShow;
private void Page_Load(object sender, System.EventArgs e)
{
if(!Page.IsPostBack)
this.BindGrid();
}
private void BindGrid()
{
this.dgMulti.DataSource = this.GridSource();
this.dgMulti.DataBind();
}
private DataTable GridSource()
{
DataTable dtData = new DataTable();
dtData.Columns.Add("Topic",typeof(string));
dtData.Columns.Add("Person",typeof(string));
dtData.Columns.Add("Time",typeof(string));
dtData.Columns.Add("State",typeof(string));
DataRow dr;
for(int i=0;i<10;i++)
{
dr = dtData.NewRow();
dr["Topic"] = "主题" + i.ToString();
dr["Person"] = "作者:mikecat";
dr["Time"] = "2004-07-16";
dr["State"] = "新建";
dtData.Rows.Add(dr);
}
return dtData;
}
#region Web 窗体设计器生成的代码
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.Button1.Click += new System.EventHandler(this.Button1_Click);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
protected void Chk_CheckedChanged(object sender, System.EventArgs e)
{
CheckBox chkTemp = (CheckBox)sender;
DataGridItem dgi = (DataGridItem)chkTemp.Parent.Parent;
if(chkTemp.Checked)
{
dgi.BackColor = this.dgMulti.SelectedItemStyle.BackColor;
dgi.ForeColor = this.dgMulti.SelectedItemStyle.ForeColor;
}
else
{
dgi.BackColor = this.dgMulti.ItemStyle.BackColor;
dgi.ForeColor = this.dgMulti.ItemStyle.ForeColor;
}
}
private void Button1_Click(object sender, System.EventArgs e)
{
int count = 0;
foreach(DataGridItem dgi in this.dgMulti.Items)
{
CheckBox chkBox = (CheckBox)dgi.Cells[0].FindControl("Chk");
if(chkBox.Checked)
{
count ++;
}
}
this.lbShow.Text = count.ToString();
}
}
}
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