try...catch...finally

try
{
... // exception may get thrown within execution of this block
}
catch (ExceptionA ex)
{
... // handle exception of type ExceptionA
}
catch (ExceptionB ex)
{
... // handle exception of type ExceptionB
}
finally
{
... // cleanup code
}

using System;


class Test
{
    static int Calc(int x) { return 10 / x; }

    static void Main()
    {
        try
        {
            int y = Calc(0); Console.WriteLine(y);
        }
        catch (DivideByZeroException ex)
        {
            Console.WriteLine("x cannot be zero");
        }
        Console.WriteLine("program completed");
    }
}