<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="GridView控件.aspx.cs" Inherits="WebApplication1.GridView控件" %> <!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></title>
<script language="javascript" type="text/javascript" >
//反选
function ReverseSelect() {
var checkbox = document.all.CheckboxGroup;
if (checkbox == null)
{
return false;
}
if (checkbox.length + "" != "undefined")
{
for (var i = ; i < checkbox.length; i++) {
checkbox[i].checked = !checkbox[i].checked;
}
}
else {
//修正当列表长度为1，不能反选
checkbox.checked = !checkbox[i].checked;
}
return false;
}
//全选
function SelectAll() {
var checkbox = document.all.CheckboxGroup;
if (checkbox == null)
{
return false;
}
if (checkbox.length + "" != "undefined") {
for (var i = ; i < checkbox.length; i++) {
checkbox[i].checked = !checkbox[i].checked;
}
}
else {
checkbox.checked = true;
}
return false;
}
//检查至少选一项
function CheckHasSelectedItem() {
var checkbox = document.all.CheckboxGroup;
if (checkbox == null)
{
return false;
}
if (checkbox.length + "" != "undefined") {
for (var i = ; i < checkbox.length; i++)
{
if(checkbox[i].checked)
{
return true;
}
}
}
else {
return false;
}
}
//删除用户前的确认
function ConfirmDelete() {
if (CheckHasSelectedItem())//如果少选择一项
{
return confirm("确定删除该用户？");
}
else {
alter("至少选择一项");
return false; }
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:GridView ID="gvUserList" runat="server" AutoGenerateColumns="false" Width="800px" AllowPaging="True"
onpageindexchanging="gvUserList_PageIndexChanging" PageSize="">
<Columns>
<asp:TemplateField>
<ItemTemplate>
<input name ='CheckboxGroup' type='checkbox' value='<%#Eval("ID")%>'/>
</ItemTemplate>
</asp:TemplateField>
<asp:BoundField DataField="ID" HeaderText="编码" />
<asp:HyperLinkField DataNavigateUrlFields="ID"
DataNavigateUrlFormatString=" GridView控件.aspx?ID={0}"
DataTextField="RealName" HeaderText="查看" />
<asp:BoundField DataField="UserName" HeaderText="用户姓名" />
<asp:BoundField DataField="RealName" HeaderText="真实姓名" />
<asp:BoundField DataField="Age" HeaderText="年龄" />
<asp:CheckBoxField DataField="Sex" HeaderText="男" />
<asp:BoundField DataField="Mobile" HeaderText="手机" />
<asp:TemplateField HeaderText="电子邮件">
<AlternatingItemTemplate>
<a href='emailto:<%#Eval("Email")%>'>发邮件给<%#Eval("RealName")%></a>
</AlternatingItemTemplate>
<ItemTemplate>
<%#Eval("Email")%>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
<table border="" width="" cellpadding="" cellspacing="">
<tr><td><a style="text-decoration:underline" href="#" onclick="SelectAll();">全选</a></td>
<td><a style="text-decoration:underline" href="#" onclick="ReverseSelect();">反选</a></td>
<td>
<asp:Button ID="btnDelete" runat="server" OnClientClick="javascript:return ConfirmDelete();"
OnClick="btnDelete_Click" Text="删除" />
</td>
</tr>
</table>
</div>
</form>
</body>
</html>
CS代码：
sing System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.SqlClient;
using System.Data; namespace WebApplication1
{
public partial class GridView控件 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
//默认显示第一页 但索引为0
BindGridView();
}
}
//指定绑定页面的数据
private void BindGridView(int pageIndex)
{
SqlConnection conn = new SqlConnection(@"server=Rose-PC\SQLEXPRESS;Database=User;User Id=sa;password=");
SqlCommand command = new SqlCommand("Select * from UserInfo", conn);
SqlDataAdapter adapter = new SqlDataAdapter(command);
DataTable data = new DataTable();
adapter.Fill(data); #region 注意这部分代码可以在设计视图中设置，不必卸载代码里
gvUserList.AllowPaging = true;//设置允许自动分页
//gvUserList.AutoGenerateColumns=false;//设置不允许自动绑定
gvUserList.PageSize = ;
#endregion gvUserList.DataSource = data;
gvUserList.PageIndex = pageIndex;//设置显示第几页
gvUserList.DataBind();
}
//翻页事件 protected void gvUserList_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
//指定新页面，重新绑定数据
BindGridView(e.NewPageIndex);
} //删除选中用户
protected void btnDelete_Click(object sender, EventArgs e)
{
string Sql = "delete from UserInfo where ID in (" +Request["CheckboxGroup"] + ")";
SqlConnection conn = new SqlConnection(@"server=Rose-PC\SQLEXPRESS;Database=User;User Id=sa;password=");
SqlCommand command = new SqlCommand(Sql, conn);
conn.Open();
int count = command.ExecuteNonQuery();
conn.Close();
//删除成功后给出提示
if (count >)
{
Page.ClientScript.RegisterClientScriptBlock(this.GetType(), "success",
"<script language='javascript'>alert('删除成功！');" + "window.location='MultiSelectGridView.aspx';</script>"); }
else
{
Page.ClientScript.RegisterClientScriptBlock(this.GetType(), "fail",
"<script language='javascript'>alert('删除成功！');</script>");
}
} }
}