what is exception handling in .net code example

Example 1: exception handling c#

try {
   // statements causing exception
} catch( ExceptionName e1 ) {
   // error handling code
} catch( ExceptionName e2 ) {
   // error handling code
} catch( ExceptionName eN ) {
   // error handling code
} finally {
   // statements to be executed
}

Example 2: exception in asp.net c#

class Program
{
    static void Main(string[] args)
    {
        Console.WriteLine("Enter a number: ");

        var num = int.Parse(Console.ReadLine());

        Console.WriteLine($"Squre of {num} is {num * num}");
    }
}