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Asked: 2026-05-11T08:52:06+00:00

I want to display an iframe in a .aspx page, and the iframes source

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I want to display an iframe in a .aspx page, and the iframes source should be the same page.

I need to use a relative uri.

What value should I give the ‘src’ attribute?

I realise this is a little unusual – the page will be displayed in different states depending on parameters passed in, so the iframe won’t be displayed within itself.

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1 Answer

  1. The literal relative path should work. IE: MyPage.aspx

    Here is an ASP.NET Example…

    Seemed to work fine for me with the following…

    Markup:

    <%@ Page Language='C#' AutoEventWireup='true' CodeBehind='Default.aspx.cs' Inherits='WebApplication2._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></title> </head> <body>     <form id='form1' runat='server'>     <div>     <iframe runat='server' id='myFrame' src='Default.aspx?message=Hello%20World'></iframe>     <div id='myDiv' runat='server'></div>     </div>     </form> </body> </html>

    Code Behind:

    using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls;  namespace WebApplication2 {     public partial class _Default : System.Web.UI.Page     {         protected void Page_Load(object sender, EventArgs e)         {             string message = Request.QueryString['message'];             if (null != message)             {                 myDiv.InnerText = message;                 myFrame.Visible = false;             }             else             {                 myDiv.Visible = false;             }         }     } }
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