You can display line numbers in your visual studio editor. Just follow the following steps to display line numbers. by default line number are hidden.
Step 1: Go to Tools menu at the top of VS.
Step 2: Go to Options
Step 3: Go to Text Editor and then select C# or your language.
Step 4: Select Line number under display options.
Click on OK and it will display he line number in editor.
Displaying line numbers in editor:
