GridView中有两列,每列一个RadioButton,选中其一后不允许选另外一个并提示
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default6.aspx.cs" Inherits="Default6" %>
<!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>
<script type="text/javascript">
function AlertMes(obj){
var txt = document.getElementById("txtChecked");
var rb = eval("document.getElementById('form1')."+obj.name);
var hideValue = ";"+obj.name+obj.id;
if(txt.value.indexOf(obj.name) == -1){
txt.value += ";"+hideValue;
}
else if(txt.value.indexOf(hideValue) == -1)
{
if(rb[0].checked){
rb[1].checked = true;
alert('已选择第二列');
}
else{
rb[0].checked=true;
alert('已选择第一列');
}
}
}
</script>
</head>
<body>
<form id="form1" runat="server">
<input type="hidden" id="txtChecked" />
<div>
<asp:GridView ID="GridView1" runat="server">
<Columns>
<asp:TemplateField>
<ItemTemplate>
<asp:RadioButton runat="server" GroupName="a" ID="rb1" onclick="AlertMes(this)">
</asp:RadioButton>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField>
<ItemTemplate>
<asp:RadioButton runat="server" GroupName="a" ID="rb2" onclick="AlertMes(this)">
</asp:RadioButton>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
</div>
</form>
</body>
</html>
<!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>
<script type="text/javascript">
function AlertMes(obj){
var txt = document.getElementById("txtChecked");
var rb = eval("document.getElementById('form1')."+obj.name);
var hideValue = ";"+obj.name+obj.id;
if(txt.value.indexOf(obj.name) == -1){
txt.value += ";"+hideValue;
}
else if(txt.value.indexOf(hideValue) == -1)
{
if(rb[0].checked){
rb[1].checked = true;
alert('已选择第二列');
}
else{
rb[0].checked=true;
alert('已选择第一列');
}
}
}
</script>
</head>
<body>
<form id="form1" runat="server">
<input type="hidden" id="txtChecked" />
<div>
<asp:GridView ID="GridView1" runat="server">
<Columns>
<asp:TemplateField>
<ItemTemplate>
<asp:RadioButton runat="server" GroupName="a" ID="rb1" onclick="AlertMes(this)">
</asp:RadioButton>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField>
<ItemTemplate>
<asp:RadioButton runat="server" GroupName="a" ID="rb2" onclick="AlertMes(this)">
</asp:RadioButton>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
</div>
</form>
</body>
</html>
using System;
using System.Data;
public partial class Default6 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
DataTable dt = new DataTable();
dt.Columns.Add(new DataColumn("Name"));
dt.Rows.Add(new object[] { "111" });
dt.Rows.Add(new object[] { "111" });
this.GridView1.DataSource = dt;
this.GridView1.DataBind();
}
}
}
using System.Data;
public partial class Default6 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
DataTable dt = new DataTable();
dt.Columns.Add(new DataColumn("Name"));
dt.Rows.Add(new object[] { "111" });
dt.Rows.Add(new object[] { "111" });
this.GridView1.DataSource = dt;
this.GridView1.DataBind();
}
}
}