c# Get Enum Value by index

public enum eRangeI { AUTO, OFF, R1uA, R10uA, R100uA, R1mA, R10mA, R100mA, R1A }
        static void Main(string[] args)
        {

            eRangeI value = (eRangeI)0;
            Console.WriteLine(value.ToString());
            Console.Read();
        }


--- output = AUTO