全选，选中删除功能的实现（含母版页-精简）
作者：互联网
母版页
<%@ Master Language="C#" AutoEventWireup="true" CodeBehind="Teacher.master.cs" Inherits="周五重点.Teacher" %>
<!DOCTYPE html>
<html>
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title></title>
<asp:ContentPlaceHolder ID="head" runat="server">
</asp:ContentPlaceHolder>
</head>
<body>
<form id="form1" runat="server">
<p>欢迎登录：<asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>老师</p>
<div>
<asp:ContentPlaceHolder ID="ContentPlaceHolder1" runat="server">
</asp:ContentPlaceHolder>
</div>
</form>
</body>
</html>
前台代码
<%@ Page Title="" Language="C#" MasterPageFile="~/Teacher.Master" AutoEventWireup="true" CodeBehind="teacher.aspx.cs" Inherits="周五重点.teacher" %>
<asp:Content ID="Content1" ContentPlaceHolderID="head" runat="server">
<style type="text/css">
div{
margin:0 auto;
width:800px;
}
</style>
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" runat="server">
<div>
<h1>学生信息</h1>
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="UserID">
<Columns>
<asp:TemplateField>
<HeaderTemplate>
<asp:CheckBox ID="chkall" runat="server" AutoPostBack="true" OnCheckedChanged="CheckBox1_CheckedChanged"/>
</HeaderTemplate>
<ItemTemplate>
<asp:CheckBox ID="chkone" runat="server" />
</ItemTemplate>
</asp:TemplateField>
<asp:BoundField DataField="UserID" HeaderText="UserID" InsertVisible="False" ReadOnly="True" SortExpression="UserID" />
<asp:BoundField DataField="UserName" HeaderText="UserName" SortExpression="UserName" />
<asp:BoundField DataField="UserPwd" HeaderText="UserPwd" SortExpression="UserPwd" />
<asp:BoundField DataField="UserTel" HeaderText="UserTel" SortExpression="UserTel" />
<asp:BoundField DataField="UserBirth" HeaderText="UserBirth" SortExpression="UserBirth" />
<asp:BoundField DataField="UserHobby" HeaderText="UserHobby" SortExpression="UserHobby" />
<asp:BoundField DataField="UserAudit" HeaderText="UserAudit" SortExpression="UserAudit" />
<asp:BoundField DataField="UserAddr" HeaderText="UserAddr" SortExpression="UserAddr" />
<asp:TemplateField HeaderText="操作">
<ItemTemplate>
<asp:LinkButton ID="LinkButton1" runat="server" CommandArgument='<%#Eval("UserID") %>' OnClick="LinkButton1_Click">显示数据</asp:LinkButton>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
<asp:Button ID="Button1" runat="server" Text="选中删除" OnClick="Button1_Click"/>
</div>
</asp:Content>
后台代码
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace 周五重点
{
public partial class teacher : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
this.GridView1.DataSource = BLL.Manager.usershow();
this.GridView1.DataBind();
}
}
//全选
protected void CheckBox1_CheckedChanged(object sender, EventArgs e)
{
CheckBox chkall = sender as CheckBox;
//循环GridView1控件的每一个复选框
foreach (GridViewRow item in this.GridView1.Rows)
{
if (item.RowType== DataControlRowType.DataRow)
{
//类型转换
CheckBox chkone = item.Cells[0].FindControl("chkone") as CheckBox;
chkone.Checked = chkall.Checked;
}
}
}
//显示数据
protected void LinkButton1_Click(object sender, EventArgs e)
{
LinkButton link = sender as LinkButton;
int id = int.Parse(link.CommandArgument);
Session["uid"] = id;
Response.Redirect("teacher2.aspx");
}
//选中删除
protected void Button1_Click(object sender, EventArgs e)
{
bool result=false;
for (int i = 0; i < this.GridView1.Rows.Count; i++)
{
CheckBox chkone = this.GridView1.Rows[i].Cells[0].FindControl("chkone") as CheckBox;
if (chkone.Checked)
{
int id = int.Parse(this.GridView1.DataKeys[i].Value.ToString());
result = BLL.Manager.userDel(id);
}
}
if (result)
{
this.GridView1.DataSource = BLL.Manager.usershow();
this.GridView1.DataBind();
}
}
}
}
标签：chkone,CheckBox,sender,母版,System,全选,using,精简,GridView1 来源： https://www.cnblogs.com/16699qq/p/13151123.html