Question

How to use catch when to filter exceptions in C#

Answer 1

using System;

namespace ConsoleApplication_C_Sharp
{
    class Program
    {
        static void Main(string[] args)
        {
            try
            {
                throw new ArgumentException("Argument s is null");
            }
            catch (ArgumentException ex) when (ex.Message == "Argument s is null")
            {
                Console.WriteLine("s is null");
            }
            catch (ArgumentException ex) when (ex.Message == "Argument r is null")
            {
                Console.WriteLine("r is null");
            }
        }
    }
}


/*
run:

s is null

*/

 

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