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我有一個應用程序，它是在.Net1.1並升級到3.5使用Visual Studio 2008列表框的Javascript Multtiselect不工作後升級到.NET 3.5
有由具有一個複選框和一個列表框頁面這是啓用和禁用使用Javascript，如果啓用我們可以選擇列表中的項目，並在按鈕點擊選定的項目將被處理。
選定的項目工作正常，在NET 1.1，但不是在3.5.I我給在那裏我對着issue.The相同的代碼示例代碼工作正常，在.Net1.1
下面是ASPX線
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="ListBox.aspx.cs" Inherits="WebApplication1.ListBox" %>
<!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>
<title>UsageReport</title>
<script language="javascript">
function isAllChecked()
{
var ctrlList = document.getElementById("lstUsers");
var allChecked = document.getElementById("chkAll");
var checked = allChecked.checked;
if (checked) {
ctrlList.disabled = true;
unselectItems();
}
else {
ctrlList.disabled = false;
}
}
function unselectItems()
{
var lstUsers = document.getElementById("lstUsers");
var list = lstUsers;
for (var i = 0; i < list.length; i ++)
{
list[i].selected = false;
}
list.selectedIndex = -1;
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
</div>
<table>
<tr>
<td>
</td>
<td>
<asp:CheckBox ID="chkAll" Checked="True" runat="server" />
</td>
</tr>
<tr>
<td>
</td>
<td>
<asp:ListBox ID="lstUsers" runat="server" SelectionMode="Multiple" Enabled="false"></asp:ListBox>
</td>
</tr>
<tr>
<td>
</td>
<td>
<asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="Button" />
</td>
</tr>
</table>
</form>
</body>
</html>
下面是代碼隱藏
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace WebApplication1
{
public partial class ListBox : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
this.chkAll.Attributes["onclick"] = "isAllChecked();";
lstUsers.DataSource = new string[] { "one", "two", "three" };
lstUsers.DataBind();
}
}
protected void Button1_Click(object sender, EventArgs e)
{
foreach (ListItem li in lstUsers.Items)
{
if(li.Selected)
Response.Write(li.Value);
}
}
}
}