I am using Visual Studio 2019 with .NET extension .
Everything was working fine, i.e all my C# codes and projects were executing fine on F5 when suddenly the options went dead . I am farely new to Visual Studio and cant seem to get my head around this problem . If anyone can suggest anything , it would be of great help.
Basically, Go to project properties -> Build Tab. Then click Advanced button on the right bottom corner of the pane. Change "Debug Info:" to "full" and click OK.
If it is like that, then change it to "full" like below: