加一个模板列里放入一个CHECKBOX
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<asp:TemplateColumn>
<ItemTemplate>
<asp:CheckBox id="CheckBox1" runat="server"></asp:CheckBox></FONT>
</ItemTemplate><asp:TemplateColumn>
for(int i=0;i<count;i++)
{
if(((CheckBox)(MyDataGrid.Items[i].FindControls("MyCheckBox"))).Selected)
{
//选中的行执行的操作
}
else
{
//未选中的行执行的操作
}}
{
DataGridItem dgrdIItem = grdPayments.Items[i];
CheckBox chkCheckBox = (CheckBox)dgrdIItem.FindControl("chkPayment");
if (chkCheckBox.Checked)
{
intSequence = Common.Utility.StringToInteger( dgrdIItem.Cells[1].Text );
try
{
for(int j=0; j < dtPayments.Rows.Count; j++)
{
if ( dtPayments.Rows[j]["Sequence"].ToString() == Convert.ToString( intSequence ) )
{
dtPayments.Rows[j].Delete();
break;
}
}
}
catch
{
Response.Redirect("../showmessage.aspx?code=6906");
}
}
<%@ Page language="c#" Codebehind="WebForm1.aspx.cs" AutoEventWireup="false" Inherits="WebApplication2.WebForm1" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>WebForm1</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">
<FONT face="宋体">
<asp:DataGrid id="DataGrid1" style="Z-INDEX: 101; LEFT: 8px; POSITION: absolute; TOP: 64px" runat="server"></asp:DataGrid>
<asp:Button id="Button1" style="Z-INDEX: 102; LEFT: 8px; POSITION: absolute; TOP: 24px" runat="server"
Text="open"></asp:Button></FONT>
</form>
</body>
</HTML>webform1-->cs:
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
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 WebApplication2
{
/// <summary>
/// WebForm1 的摘要说明。
/// </summary>
public class WebForm1 : System.Web.UI.Page
{
protected System.Web.UI.WebControls.DataGrid DataGrid1;
protected System.Web.UI.HtmlControls.HtmlForm Form1;
protected System.Web.UI.WebControls.Button Button1; SqlConnection sc=new SqlConnection("server=localhost;database=pubs;uid=zxy;pwd=zxy");
private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
if (!this.IsPostBack)
{
if (this.Session["_value"]!=null)
{
BindData(this.Session["_value"].ToString());
}
}
}
private void BindData(string Value)
{
SqlDataAdapter sp=new SqlDataAdapter("select emp_id,fname from employee where emp_id in("+Value+") order by emp_id",sc);
DataSet ds=new DataSet();
sp.Fill(ds,"titleauthor");
DataGrid1.DataSource=ds.Tables[0].DefaultView;
DataGrid1.DataBind();
} #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 private void Button1_Click(object sender, System.EventArgs e)
{
this.Response.Write("<script language='javascript'>window.showModalDialog('Webform3.aspx', window,'');</script>");
}
}
}webform3-->html:
<%@ Page language="c#" Codebehind="WebForm3.aspx.cs" AutoEventWireup="false" Inherits="WebApplication2.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">
<base target="_self">
<FONT face="宋体"></FONT>
<form id="Form1" method="post" runat="server">
<FONT face="宋体"></FONT>
<asp:DataGrid id="DataGrid1" style="Z-INDEX: 103; LEFT: 8px; POSITION: absolute; TOP: 48px" runat="server"
AutoGenerateColumns="False" Width="216px">
<Columns>
<asp:TemplateColumn>
<ItemTemplate>
<FONT face="宋体">
<asp:CheckBox id="cb_del" runat="server"></asp:CheckBox></FONT>
</ItemTemplate>
</asp:TemplateColumn>
<asp:BoundColumn DataField="emp_id" HeaderText="emp_id"></asp:BoundColumn>
<asp:BoundColumn DataField="fname" HeaderText="fname"></asp:BoundColumn>
</Columns>
</asp:DataGrid>
<asp:Button id="Button1" style="Z-INDEX: 102; LEFT: 240px; POSITION: absolute; TOP: 16px" runat="server"
Text="返回"></asp:Button>
</form>
</body>
</HTML>webform3-->cs:
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
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 WebApplication2
{
/// <summary>
/// WebForm3 的摘要说明。
/// </summary>
public class WebForm3 : System.Web.UI.Page
{
protected System.Web.UI.WebControls.Button Button1;
protected System.Web.UI.WebControls.DataGrid DataGrid1;
protected System.Web.UI.HtmlControls.HtmlForm Form1;
SqlConnection sc=new SqlConnection("server=localhost;database=pubs;uid=zxy;pwd=zxy");
private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
if (!this.IsPostBack)
{
BindData();
}
}
private void BindData()
{
SqlDataAdapter sp=new SqlDataAdapter("select emp_id,fname from employee order by emp_id",sc);
DataSet ds=new DataSet();
sp.Fill(ds,"titleauthor");
DataGrid1.DataSource=ds.Tables[0].DefaultView;
DataGrid1.DataBind();
}
#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 private void dataGridSelect()
{
string _key="";
for (int i=0;i<=DataGrid1.Items.Count-1;i++)
{
CheckBox ck=(CheckBox)DataGrid1.Items[i].Cells[0].FindControl("cb_del");//增加一个模板列CheckBox
if (ck.Checked)
{
_key="'"+DataGrid1.Items[i].Cells[1].Text+"',"+_key;
}
}
String a=_key,b="";
b=a.Substring(0,a.Length-1);
if (this.Session==null)
{
this.Session.Add("_value",b);
}
else
{
this.Session["_value"]=b;
}
}
private void Button1_Click(object sender, System.EventArgs e)
{
dataGridSelect();
this.Response.Write("<script language='javascript'>window.dialogArguments.location.href =window.dialogArguments.location.href;window.close();</script>");
}
}
}