Set default page for your website using Web.Config file in ASP.Net

• This feature is applicable for .Net 3.5, 4.0, 4.5 or above frameworks.
• Go to your web.config file and add below code.

Single Default Page

<system.webServer> 
<defaultDocument enabled="true">

 <files>

    <clear/>

    <add value="Home.aspx"/>

 </files>

</defaultDocument>
</system.webServer> 

Multiple Default Pages

• Here if the Home.aspx page is missing the 2nd page i.e. Contact.aspx will become the Default page.

<system.webServer> 

<defaultDocument enabled="true">

 <files>

    <clear/>

    <add value="Home.aspx"/>

    <add value="Contact.aspx"/>

 </files>

</defaultDocument>

</system.webServer>