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String.prototype.Trim = function(){
return this.replace(/(^\s*)|(\s*$)/g,"");
};
function checkLoginName()
{
if(document.getElementById('txtUserName').value.Trim() != "")
{
var body='LoginName='+document.getElementById('txtUserName').value.Trim() +'&i='+Math.random();
new Ajax.Request('Views/Manager/Register/AjaxCheckLoginName.aspx',
{
method:'get',
parameters:body,
onComplete:showResponse
});
}
}
function showResponse(originalRequest)
{
var i = '1111'
alert(i); //这里i 能输出出来。
//----------------------------------------但到下面的时候就出错了!!!!!
var t = originalRequest.responseText;
alert(t);
if(t=="0")
{
document.getElementById('LoginNamelabel').innerHTML="用户名已存在";
}
else
{
document.getElementById('LoginNamelabel').innerHTML="用户名可用";
}
}
用户名:<input id="txtUserName" name="txtUserName" runat="server" type="text" onblur="checkLoginName()" />
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
string username = Request.QueryString["LoginName"].ToString();
AjaxCheckLoginName(username);
}
}
private void AjaxCheckLoginName(string username)
{
ConsumerBLL userbll = new ConsumerBLL();
try
{
if (userbll.AjaxCheckLoginName(username) == 0) //这里调用方法 判断:返回值如果是 0 表示 该用户名未被注册!!
{
Response.Write("1"); //???????错在这?
HttpContext.Current.Response.End();
}
else
{
Response.Write("0");
HttpContext.Current.Response.End();
}
}
catch (Exception ex)
{
Response.Write(ex.Message);
}
}
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs"
Inherits="ajax_prototype_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0
Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>无标题页</title>
<script src="prototype.js"></script>
<script>
String.prototype.Trim = function(){
return this.replace(/(^\s*)|(\s*$)/g,"");
};
function checkLoginName()
{
if(document.getElementById('<%=txt.ClientID %>').value.Trim() != "")
{
var body='LoginName='+document.getElementById('<%=txt.ClientID %>').value.Trim() +'&i='+Math.random();
new Ajax.Request('AjaxCheckLoginName.aspx',/*注意路径,我的是在同目录下,你改成相应的*/
{
method:'get',
parameters:body,
onComplete:showResponse
});
}
}
function showResponse(originalRequest)
{
var i = '1111';
//alert(i); //这里i 能输出出来。
//----------------------------------------但到下面的时候就出错了!!!!!
var t = originalRequest.responseText;
//alert(t);
if(t=="0")
{
document.getElementById('LoginNamelabel').innerHTML="用户名已存在";
}
else
{
document.getElementById('LoginNamelabel').innerHTML="用户名可用";
}
}
</script>
</head>
<body>
<form id="form1" runat="server">
<asp:TextBox ID="txt" onblur="checkLoginName();" Text="123" runat="server"></asp:TextBox>
<div id='LoginNamelabel'></div>
</form>
</body>
</html>
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 ajax_prototype_AjaxCheckLoginName : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
string str = string.IsNullOrEmpty(Request.QueryString["LoginName"]) ? "" : Request.QueryString["LoginName"];
if (str == "123")
{
Response.Write("0");
}
else
{
Response.Write("1");
}
Response.End();
}
}
var i = '1111'
alert(i); //这里i 能输出出来。
//----------------------------------------但到下面的时候就出错了!!!!!