in 05-LanguagesAndFrameworks/WebApplication/Controllers/HomeController.cs [22:31]
public IActionResult Index(int? id)
{
// <shortcut id="Go to Declaration or Usages">Ctrl+Click</shortcut> on View
// Navigate to Index.cshtml, or definition of View method
if (id == null)
return View();
// <shortcut id="Go to Declaration or Usages">Ctrl+Click</shortcut> on string literal argument
return View("Index");
}