Checking Console.ReadLine()!=null

Question

I am making a CMD for my application, and figure I have a trouble when I check `Console.ReadLine != null``

string input = Console.ReadLine();
 if(input != nu         


        

Answer 1

Instead of just checking for null, try checking if it is empty or null using String.IsNullOrEmpty because, when you do not input anything and press Enter, you get an empty string which results in an

An unhandled exception of type 'System.IndexOutOfRangeException'

Your updated full code should be as follows

string input = Console.ReadLine();
if (!string.IsNullOrEmpty(input) )
{
    SomeFunction(input);
}