xmlHttp.responseText comes empty
xmlHttp.responseText comes empty, what is the problem and solution?
default.aspx :
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="xmlHttpOrnek._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">
<script type="text/javascript">
var xmlHttp;
function GetXmlHttpObject() {
var xmlHttp = null;
try {
// Firefox, Opera 8.0+, Safari
xmlHttp = new XMLHttpRequest();
}
catch (e) {
// Internet Explorer
try {
xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
}
catch (e) {
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
}
}
return xmlHttp;
}
//--------------------------
function callAjaxFunc(val) {
xmlHttp = GetXmlHttpObject();
if (xmlHttp == null) {
alert("Browser does not support HTTP Request");
return;
}
//you can provide your page URL
var url = "Default.aspx";
url = url + "?kod=" + val;
//state change event-this will occur ass soon as response comes from the url
xmlHttp.onreadystatechange = stateChanged;
xmlHttp.open("GET", url, true);
xmlHttp.send(null);
}
function stateChanged() {
if (xmlHttp.readyState == 4)
{ //Display contents
var xmlResponse = xmlHttp.responseText;
if (xmlResponse != '') {
var inputMessage = document.getElementById('txb');
inputMessage.value = xmlResponse.toString();
alert(xmlResponse);
} 开发者_如何转开发
}
}
</script>
<title>Untitled Page</title>
</head>
<body>
<form id="form1" runat="server">
<asp:textbox ID="txb" runat="server"></asp:textbox>
<asp:Button ID="btn" runat="server" Text="bas" OnClientClick="callAjaxFunc('y')" />
</form>
</body>
</html>
default.aspx.cs:
using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
namespace xmlHttpOrnek
{
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
string d = Request.QueryString["kod"];
if (Request.QueryString["kod"] == "y")
{
Response.Write("Başarılı!");
Response.End();
}
}
}
}
I created another project with copy paste of this one; everything is same, but the second one worked. I'm surprised.
加载中,请稍侯......
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