Javascript language

How to access a URL of parent page in ASP. net
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Step 1. Open a new website, add a button and textboxes control and named this page iframe.aspx. Design code is given below


<%@ Page Language="C#" AutoEventWireup="true" Codevirtual="iframe.aspx.cs" 
Inherits="iframe" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script language="javascript" src="JScript.js">
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>Untitled Page</title>
</head>
<body><form id="form1" runat="server">
    <div>
    <asp:TextBox ID="TextBox1" runat="server">
    </asp:TextBox>
    <asp:TextBox ID="TextBox2" runat="server" 
    style="top: 66px; left: 10px; position: absolute; height: 22px; width: 
        128px">
    </asp:TextBox>
    <asp:Button ID="Button1" runat="server" Text="Button" 
    style="top: 120px; left: 12px; position: absolute; height: 26px; width: 
        56px" OnClientClick="uro()"/>
    </div>
    </form></body>
</html>

Step 2 Add a JavaScript file from Solution Explorer window3

The code is written in JavaScript file is


function uro()
{
alert(parent.document.location.href);
}

function url()
{
alert(document.location.href);
}

Below code written in the design page to attached the JavaScript file to your project


 <script language="javascript" src="JScript.js">
</script>

Step 3. Add another page from new item selection menu. The design code of this page is (url.aspx)

<%@ Page Language="C#" AutoEventWireup="true"  Codevirtual="url.aspx.cs" 
Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script language="javascript" src="JScript.js">
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>url</title>
</head>
<body>
    <form id="url" runat="server">
    <div>
   <asp:Button ID="Button1" runat="server" Text="Button" 
   onclientclick="url()"/>
   <iframe src="iframe.aspx" align="middle" height="350px" 
   name="Comments">
   </iframe>
   </div>
    </form>
</body>
</html>

 

Step 4. Now run the Application.

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