404 error handler page executed even though no page not found error.

Question

hello, I have created a web application in vs2008 ,c sharp (framework 3.5).I configured "web.config" to pass control to error1.aspx page in case of 404 error.Everytime I start to debug(& execute) project,error page get automatically executed even though there is no "page not found" error.Pls tell me solution for this problem.
Thanks in advance. 

Answer 1

resolved?

Answer 2

 I think you are missing something, can you post the configuration.

 <pages>
        <customErrors mode="On">

            <error statusCode="404" redirect="NoPage.htm"></error>

        </customErrors>
 </pages>

 refer article: http://www.c-sharpcorner.com/UploadFile/bryianTan/5115/