How to set default page using web.config in Asp.net(C#).

Here I Will explain how to set default page in project or website using web config file in Asp.net(c#).

 <system.webServer>
    <defaultDocument enabled="true">
      <files>
        <clear/>
        <add value="Index.aspx"/>
      </files>
    </defaultDocument>
 </system.webServer>