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I Got This below Error When I DisPlay The .html file In Iframe tag Using Asp.Net

HTTP Error 404 - Not Found.
Version Information: ASP.NET Development Server

This is my .aspx Page

<iframe id="frmhtm1" runat="server" border="0" frameborder="0" height="220px"

aspx.cs Page:

frmhtm1.Attributes.Add("src", "/css/HTMLPage1.htm?seed=");

and i have used master page..,How to display this html file in iframe

Anybody tell me,how will i resolve this error???????
Updated 10-Mar-14 6:17am
Maarten Kools 10-Mar-14 11:17am
Use the right URL? 404 is resource not found, meaning the file/page does not exist.

If you are sure the file/page exists, post some relevant code so we can actually see what you're doing.

1 solution

Hi try debugging your application. Here is a long list of good articles on the subject.
As Maarten Kools said, it's not finding your page and there could be a number of reasons why.[^]

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