1.前台代碼
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="GridViewCheckbox.aspx.cs" Inherits="GridViewCheckbox" %>
<!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 id="Head1" runat="server">
<title>無标題頁</title>
<link href="css.css" target="_blank" rel="external nofollow" rel="stylesheet" type="text/css" />
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:GridView ID="GridView1" runat="server" Width="544px" AutoGenerateColumns="False">
<Columns>
<asp:TemplateField>
<ItemTemplate>
<asp:CheckBox ID="CheckBox1" runat="server" />
</ItemTemplate>
</asp:TemplateField>
<asp:BoundField DataField="身份證号碼" HeaderText="使用者ID" />
<asp:BoundField DataField="姓名" HeaderText="使用者姓名" />
<asp:BoundField DataField="家庭住址" HeaderText="家庭住址" />
</Columns>
<RowStyle Horiz VerticalAlign="Middle" />
<EditRowStyle Horiz VerticalAlign="Middle" />
<HeaderStyle BackColor="#C0FFC0" />
<AlternatingRowStyle Horiz VerticalAlign="Middle" />
</asp:GridView>
<asp:CheckBox ID="CheckBox2" runat="server" AutoPostBack="True"
Text="全選" />
<asp:Button ID="Button1" runat="server" Height="18px" Text="删 除" />
<asp:Button ID="Button2" runat="server" Height="18px" Text="取 消" /></div>
</form>
</body>
</html>
2.背景代碼
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
public partial class GridViewCheckbox : System.Web.UI.Page
{
SqlConnection sqlcon;
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
bind();
}
}
protected void CheckBox2_CheckedChanged(object sender, EventArgs e)
{
for (int i = 0; i <= GridView1.Rows.Count - 1; i++)
{
CheckBox cbox = (CheckBox)GridView1.Rows[i].FindControl("CheckBox1");
if (CheckBox2.Checked == true)
{
cbox.Checked = true;
}
else
{
cbox.Checked = false;
}
}
}
protected void Button1_Click(object sender, EventArgs e)
{
sqlcon = DB.createCon();
SqlCommand sqlcom;
for (int i = 0; i <= GridView1.Rows.Count - 1; i++)
{
CheckBox cbox = (CheckBox)GridView1.Rows[i].FindControl("CheckBox1");
if (cbox.Checked == true)
{
string sqlstr = "delete from Employee where 身份證号碼='" + GridView1.DataKeys[i].Value + "'";
sqlcom = new SqlCommand(sqlstr, sqlcon);
sqlcon.Open();
sqlcom.ExecuteNonQuery();
sqlcon.Close();
}
}
bind();
}
protected void Button2_Click(object sender, EventArgs e)
{
CheckBox2.Checked = false;
for (int i = 0; i <= GridView1.Rows.Count - 1; i++)
{
CheckBox cbox = (CheckBox)GridView1.Rows[i].FindControl("CheckBox1");
cbox.Checked = false;
}
}
public void bind()
{
string sqlstr = "select top 4 * from Employee";
sqlcon = DB.createCon();
SqlDataAdapter myda = new SqlDataAdapter(sqlstr, sqlcon);
DataSet myds = new DataSet();
sqlcon.Open();
myda.Fill(myds, "Employee");
GridView1.DataSource = myds;
GridView1.DataKeyNames = new string[] { "身份證号碼" };
GridView1.DataBind();
sqlcon.Close();
}
}
轉載于:https://www.cnblogs.com/Shirly-Zhang/p/5231675.html
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