public static void Main()
var employeeID = "849a6b17-2822-0000-0000-0000f8330200";
Console.WriteLine(ParseGuid(Guid.Parse(employeeID)));
public static Tuple<long, int> ParseGuid(Guid id)
byte[] gb = id.ToByteArray();
long empUid = BitConverter.ToInt64(gb, 0);
int clientId = BitConverter.ToInt32(gb, 12);
return new Tuple<long, int>(empUid, clientId);