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<%@ Page language="c#" Codebehind="WebForm3.aspx.cs" AutoEventWireup="false" Inherits="Co_6.WebForm3" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>WebForm3</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">
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="Form1" method="post" runat="server">
<asp:DataGrid id="DataGrid1" style="Z-INDEX: 101; LEFT: 208px; POSITION: absolute; TOP: 40px"
runat="server" AutoGenerateColumns="False" DataKeyField="employeeid">
<Columns>
<asp:TemplateColumn>
<ItemTemplate>
<asp:CheckBox id="CheckBox1" runat="server"></asp:CheckBox>
</ItemTemplate>
</asp:TemplateColumn>
<asp:BoundColumn DataField="employeeid" HeaderText="ID"></asp:BoundColumn>
<asp:BoundColumn DataField="firstname" HeaderText="FirstName"></asp:BoundColumn>
</Columns>
</asp:DataGrid>
<asp:Button id="ButtonGet" style="Z-INDEX: 102; LEFT: 208px; POSITION: absolute; TOP: 320px"
runat="server" Text="GetSelect"></asp:Button>
<asp:TextBox id="TextBox1" style="Z-INDEX: 103; LEFT: 304px; POSITION: absolute; TOP: 320px"
runat="server" Width="280px"></asp:TextBox>
<asp:LinkButton id="LinkButton1" style="Z-INDEX: 104; LEFT: 208px; POSITION: absolute; TOP: 368px"
runat="server">取消选择</asp:LinkButton>
</form>
</body>
</HTML>
2.
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;
using System.Data.SqlClient;
namespace Co_6
{
/// <summary>
/// WebForm3 的摘要说明。
/// </summary>
public class WebForm3 : System.Web.UI.Page
{
protected System.Web.UI.WebControls.Button ButtonGet;
protected System.Web.UI.WebControls.TextBox TextBox1;
protected System.Web.UI.WebControls.LinkButton LinkButton1;
protected System.Web.UI.WebControls.DataGrid DataGrid1;
private void Page_Load(object sender, System.EventArgs e)
{
if(!Page.IsPostBack)
{
Display();
}
}
private void Display()
{
string strConn,strCmd;
strConn="server=localhost;uid=sa;pwd=;database=Northwind";
strCmd="Select * From employees";
SqlDataAdapter oCMD=new SqlDataAdapter(strCmd,strConn);
DataSet oDS=new DataSet();
oCMD.Fill(oDS,"MyList");
DataTable dt=oDS.Tables["MyList"];
DataGrid1.DataSource=oDS.Tables["MyList"];
DataGrid1.DataBind();
Session["MyDataSet"]=oDS;//保存数据集
oDS.Dispose();
oDS=null;
oCMD.Dispose();
oCMD=null;
}
#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.ButtonGet.Click += new System.EventHandler(this.ButtonGet_Click);
this.LinkButton1.Click += new System.EventHandler(this.LinkButton1_Click);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
private void ButtonGet_Click(object sender, System.EventArgs e)
{
ArrayList a=new ArrayList();
int i=0;
foreach(DataGridItem dgi in DataGrid1.Items)
{
CheckBox cb=(CheckBox)dgi.FindControl("CheckBox1");//在当前的空器中搜索控件
if(cb.Checked)
a.Add(i.ToString());
i++;
}
TextBox1.Text="ID=";
DataSet ds = (DataSet)Session["MyDataSet"];
DataTable dt = ds.Tables["MyList"];
int j=0;
for(i=0;i<a.Count;i++)
{
j=int.Parse(a[i].ToString());//索引
TextBox1.Text+=dt.Rows[j]["firstname"].ToString()+",";//相应的项
}
}
private void LinkButton1_Click(object sender, System.EventArgs e)
{
//取消选择
foreach(DataGridItem dgi in this.DataGrid1.Items)
{
CheckBox cb=(CheckBox)dgi.FindControl("CheckBox1");
cb.Checked=false;
}
}
}
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