using System;

object data = "Hello, World!";

if(data is string stringValue)

{

    Console.WriteLine($"The object is a string: {stringValue}");

}

​

switch (data)

{

   case string stringValue2:

       Console.WriteLine($"The data is a string: {stringValue2}");

       break;

   case int intValue:

       Console.WriteLine($"The data is an integer: {intValue}");

       break;

   default:

       Console.WriteLine("Unknown data type");

       break;

}