Check the MinValue and MaxValue : Type : Data Types C# Source Code

    
 

using System;

class MinAndMax {
    public static void Main() {
        Console.WriteLine("sbyte:   {0} to {1}", sbyte.MinValue,sbyte.MaxValue);
        Console.WriteLine("byte:    {0} to {1}", byte.MinValue,byte.MaxValue);
        Console.WriteLine("short:   {0} to {1}", short.MinValue,short.MaxValue);
        Console.WriteLine("ushort:  {0} to {1}", ushort.MinValue,ushort.MaxValue);
        Console.WriteLine("int:     {0} to {1}", int.MinValue,int.MaxValue);
        Console.WriteLine("uint:    {0} to {1}", uint.MinValue,uint.MaxValue);
        Console.WriteLine("long:    {0} to {1}", long.MinValue,long.MaxValue);
        Console.WriteLine("ulong:   {0} to {1}", ulong.MinValue,ulong.MaxValue);
        Console.WriteLine("float:   {0} to {1}", float.MinValue,float.MaxValue);
        Console.WriteLine("double:  {0} to {1}", double.MinValue,double.MaxValue);
        Console.WriteLine("decimal: {0} to {1}", decimal.MinValue,decimal.MaxValue);
    }
}