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Importing xml document in javascript and posting it to a url using an html webform

I need to import an xml file in order do a positing to a url. I am using xmlhttp request. The only problem I am having is that I need to create an html page where the user is able to browse the xml file and execute the posting on-click of the "posting" button.

I have imported the file already but I do not know how to link it to the file that the user has browsed and to the click of the button.

<%@ Page Language="C#" AutoEventWireup="true"  CodeFile="Default.aspx.cs" Inherits="_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>Untitled Page</title>
    <script type="text/javascript">
        var xmlhttp;
        function loadXMLDoc(url) 
        {
            xmlhttp=null;
            if (window.XMLHttpRequest)// code for IE7, Firefox, Opera, etc.
            {
                xmlhttp=new XMLHttpRequest();
            }
            else if (window.ActiveXObject)// code for IE6, IE5
            {
                xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
            }
            if (xmlhttp!=null)
            {
                xmlhttp.onreadystatechange=loadXML();
                xmlhttp.open("POST","http://yoursite.com/sample.xml",FALSE);
                xmlhttp.send();
                alert(xmlhttp.ResponseText);
               
            }
            else
            {
                alert("Your browser does not support XMLHTTP.");
            }
        }
    
        function loadXML()
        {
            var xmlDoc;
            if (window.ActiveXObject)//IE
            {
                xmlDoc=new ActiveXObject("Microsoft.XMLDOM");
            }
            else if (document.implementation.createDocument)//FF
            { 
                xmlDoc=document.implementation.createDocument("","",null);
            }
            else
            {
                alert('Your browser cannot handle this script');
            }
            xmlDoc.async=false;
            xmlDoc.load("xmlorders.xml");
        }
 
      
    </script>
<tittle> <br> Post an Order </br> </tittle>
    
</head>
<body>
    <form id="form1" runat="server">
    <p>
    Please specify a file, or a set of files:<br>
    <input type="file" name="datafile" size="40">
    </p>
    <div>
    </div>
    </form>
</body>
</html>

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Pravin Asar

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