using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine(Enum.TryParse("100", true, out AlternateIdType altId));

        Console.WriteLine(altId);

        Console.WriteLine(Enum.TryParse("Macaddress", true, out altId));

        Console.WriteLine(altId);

    }

      /// <summary>

    /// The alternate id type.

    /// </summary>

    public enum AlternateIdType

    {

        /// <summary>

        /// The none.

        /// </summary>

        None,

​

        /// <summary>

        /// The macaddress.

        /// </summary>

        Macaddress,

​

        /// <summary>

        /// The udid.

        /// </summary>

        Udid,

​

        /// <summary>

        /// The serialnumber.

        /// </summary>

        Serialnumber,

​

        /// <summary>

        /// The imei number.

        /// </summary>

        ImeiNumber,

​

        /// <summary>

        /// The eas id.

        /// </summary>

        EasId,

​

        /// <summary>

        /// The device id.

        /// </summary>

        DeviceId = None,

    }

}