divv2.innerHTML = http_request.responseText;执行到这句就提示..未知的运行时错误..
Default.aspx页面代码
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<%@ Register Src="userTreeView.ascx" TagName="userTreeView" TagPrefix="uc1" %>
<!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>-ShunZiRan.Com--南昌市顺自然文化传播有限公司-</title>
<link href="index.css" rel="Stylesheet" type="text/css"/>
<script type="text/javascript">
var http_request = false;
function send_request(url) {//初始化、指定处理函数、发送请求的函数
http_request = false;
//开始初始化XMLHttpRequest对象
if(window.XMLHttpRequest) { //Mozilla 浏览器
http_request = new XMLHttpRequest();
if (http_request.overrideMimeType) {//设置MiME类别
http_request.overrideMimeType('text/xml');
}
}
else if (window.ActiveXObject) { // IE浏览器
try {
http_request = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try {
http_request = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e) {}
}
}
if (!http_request) { // 异常,创建对象实例失败
window.alert("不能创建XMLHttpRequest对象实例.");
return false;
}
http_request.open("GET", url, false);
http_request.send(null);
//http_request.onreadystatechange = processRequest;
// 确定发送请求的方式和URL以及是否同步执行下段代码
if (http_request.readyState==4 || http_request.readyState=='complete' ){
var divv2 = document.getElementById("divv2");
divv2.innerHTML = http_request.responseText;
}
}
</script>
</head>
<body leftMargin=0 topMargin=0 marginheight="0" marginwidth="0" onload="send_request('HTMLPage.htm')">
<form id="form1" runat="server">
<table style="width: 913px; height: 76px">
<tr>
<td colspan="3"><!--#include file="top.htm"-->
</td>
</tr>
<tr valign="Top">
<td style="width: 3px">
</td>
<td style="width: 216px">
<uc1:userTreeView ID="UserTreeView1" runat="server" />
</td>
<td><div id="divv2">数据载入中...</div>
</td>
</tr>
<tr>
<td style="width: 3px">
</td>
<td style="width: 216px">
</td>
<td>
</td>
</tr>
</table>
</form>
</body>
</html>
被请求的login.aspx页面
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Login.aspx.cs" Inherits="Login" ValidateRequest="false" %>
<!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 runat="server">
<div>
<table style="width: 494px; height: 314px">
<tr>
<td style="width: 185px">
用户名</td>
<td>
<asp:TextBox ID="txtUser" runat="server"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" ErrorMessage="用户名不能为空"
ControlToValidate="txtUser" Display="None"></asp:RequiredFieldValidator></td>
<td>
<asp:Button ID="btnLogin" runat="server" Text="登陆" OnClick="btnLogin_Click" /></td>
</tr>
<tr>
<td style="width: 185px">
密码</td>
<td>
<asp:TextBox ID="txtPass" runat="server" TextMode="Password" Width="150px"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator2" runat="server" ErrorMessage="密码不能为空"
ControlToValidate="txtPass" Display="None"></asp:RequiredFieldValidator></td>
<td>
</td>
</tr>
<tr>
<td style="width: 185px">
</td>
<td>
<asp:ValidationSummary ID="ValidationSummary1" runat="server" ShowMessageBox="True"
ShowSummary="False" />
</td>
<td>
</td>
</tr>
</table>
</div>
</form>
</body>
</html>
当我请求login.aspx页面的时候就有错误。但我换了页面句没有问题。不会有问题。而且正常显示。 .但是我的login.aspx页面内容没问题。
可是我把Default.aspx再改一下.请求login.aspx页面就不会有问题。
把<div id="divv2">数据载入中...</div>放在form1标签外面就不会有问题。而且的到的值也正常,经过我查看。发现原来是login.aspx里面有
个form和Defualt.aspx里面的form冲突。但是login.aspx里面的form1我又不可以去掉。去掉就爆错的.