public static string Guid2OctetString(string objectGuid)
System.Guid guid = new Guid(objectGuid);
byte[] byteGuid = guid.ToByteArray();
foreach (byte b in byteGuid)
queryGuid += @"\" + b.ToString("x2");
public static void Main()
Console.WriteLine(Guid2OctetString("6d8e0bd7-5af3-46a9-9d8f-512d4ff21b32"));