后台主要代码：
protected void CheckBox_CheckedChanged(object sender, EventArgs e)
{
string checkResult = "";
ResultLabel.Text = "";
if (A.Checked)
{
checkResult += A.ID + ",";
}
if (B.Checked)
{
checkResult += B.ID + ",";
}
if (C.Checked)
{
checkResult += C.ID;
}
ResultLabel.Text = checkResult.Trim();
}
protected void x_CheckedChanged(object sender, EventArgs e)
{
int[] strResult = new int[3];
string str = "";
xLabel.Text = "";
for (int i = 0; i <strResult.Length; i++)
{
strResult[i] = 0;
}
//* strResult[0] = 0; strResult[1] = 0; strResult[2] = 0;
if (x.Checked)
{
strResult[0] = 1;
}
if (y.Checked)
{
strResult[1] = 1;
}
if (z.Checked)
{
strResult[2] = 1;
}
for (int i = 0; i < strResult.Length; i++)
{
str += strResult[i].ToString();
}
xLabel.Text = str;
}
前台代码：
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="获取复选框的值.aspx.cs" Inherits="获取复选框的值" %>
<!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>无标题页</title>
</head>
<body>
<form id="form1" runat="server">
<p>
<asp:CheckBox ID="A" runat="server" AutoPostBack="True" OnCheckedChanged="CheckBox_CheckedChanged" Text="A" />
<asp:CheckBox ID="B" runat="server" AutoPostBack="True" OnCheckedChanged="CheckBox_CheckedChanged" Text="B" />
<asp:CheckBox ID="C" runat="server" AutoPostBack="True" OnCheckedChanged="CheckBox_CheckedChanged" Text="C" />
</p>
<p>
<asp:Button ID="Result" runat="server" OnClick="Result_Click" Text="您选的是：" />
<asp:Label ID="ResultLabel" runat="server"></asp:Label></p>
<p>
</p>
<p>
<br />
<asp:CheckBox ID="CheckBox3" runat="server" AutoPostBack="True" OnCheckedChanged="CheckBox3_CheckedChanged"
Text="洪川医药的医院评价系统很好" />
<asp:Label ID="Label1" runat="server"></asp:Label></p>
<p>
<br />
<asp:CheckBox ID="x" runat="server" AutoPostBack="True" OnCheckedChanged="x_CheckedChanged" Text="X"/>
<asp:CheckBox ID="y" runat="server" AutoPostBack="True" OnCheckedChanged="x_CheckedChanged" Text="Y"/>
<asp:CheckBox ID="z" runat="server" AutoPostBack="True" OnCheckedChanged="x_CheckedChanged" Text="Z" />
<asp:Label ID="xLabel" runat="server"></asp:Label></p>
</form>
</body>
</html>
后台全部代码：
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;
public partial class 获取复选框的值 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void CheckBox_CheckedChanged(object sender, EventArgs e)
{
string checkResult = "";
ResultLabel.Text = "";
if (A.Checked)
{
checkResult += A.ID + ",";
}
if (B.Checked)
{
checkResult += B.ID + ",";
}
if (C.Checked)
{
checkResult += C.ID;
}
ResultLabel.Text = checkResult.Trim();
}
protected void Result_Click(object sender, EventArgs e)
{
}
protected void CheckBox3_CheckedChanged(object sender, EventArgs e)
{
//这是当选中后激发的事件
if (CheckBox3.Checked)//判断该控件是否被选中
{//如果控件被选中就激发
Label1.Text = "洪川医药的地址是<a href='http://www.hc115.com'>Www.Hc115.Com</a>";
}
else
{//否则，当然是取消选择的时候了
Label1.Text = "谢谢关心哈！！";
}
}
protected void x_CheckedChanged(object sender, EventArgs e)
{
int[] strResult = new int[3];
string str = "";
xLabel.Text = "";
for (int i = 0; i <strResult.Length; i++)
{
strResult[i] = 0;
}
//* strResult[0] = 0; strResult[1] = 0; strResult[2] = 0;
if (x.Checked)
{
strResult[0] = 1;
}
if (y.Checked)
{
strResult[1] = 1;
}
if (z.Checked)
{
strResult[2] = 1;
}
for (int i = 0; i < strResult.Length; i++)
{
str += strResult[i].ToString();
}
xLabel.Text = str;
}
}
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文章来源:http://www.cnblogs.com/joyboy/articles/1167704.html