Validate user input C# (console)

Question

I have the following code:

aVariable =  int.Parse(Console.ReadLine());

One problem I have is I cannot find any support material to help validate the user input, for instance if the user pressed the letter a, this would simply kill the program.

What can I do? Where can I find a decent tutorial?

Answer 1

Rather than using the Parse method use TryParse instead.

int age;

bool isValidInt = int.TryParse(Console.ReadLine(), out age);

Answer 2

You can use TryParse for this.. just google for this method. Or you can catch for exceptions to prevent your program to crash