what is an exception in c# 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#

try
{
    // put the code here that may raise exceptions
}
catch
{
    // handle exception here
}
finally
{
    // final cleanup code
}

Example 3: exception in asp.net c#

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

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

            Console.WriteLine($"Squre of {num} is {num * num}");
        }
        catch
        {
            Console.Write("Error occurred.");
        }
        finally
        {
            Console.Write("Re-try with a different number.");
        }
    }
}