How show console write line in asp.net in visual studio

1. We use Debug.WriteLine("sss") instead of Console.WtriteLite("aaa") 

    and it will show in Immediate Window

2. For active Immediate Window 

   Tools > Options > Debugging > General > Tick (Check) in  

    [] Redirect  All Output Window text to the Immediate Window

3. Debug uses 

using System.Diagnostics;