public static string AutoMaLop()
{
string id = TreDAL.GetLastID().Trim();
if (id == "")
{
return("MLOP000001");
}
int nextID = int.Parse(id.Remove(0, "MLOP".Length)) + 1;
id = "00000" + nextID.ToString();
id = id.Substring(id.Length - 6, 6);
return("MLOP" + id);
}