C-Sharp (C#) Interview Questions and Answers (FAQs)

The two give identical results, except where the string is null. Convert.ToInt32(null) returns zero, whereas Int32.Parse(null) throws an ArgumentNullException.


	Can constructers have access specifier ? Yes or No?

	What is the difference between string and String?

	What does the parameter Initial Catalog define inside Connection String?

	What is inheritance?

	How to loop through a list of files in a directory?



	What does the keyword “virtual” declare for a method or property?

	What is Delegate in C# ?

	How do I launch Internet Explorer in C#?

	How can you overload a method?

	What is the difference between an .EXE and a .DLL?