public FactoryT_B_USERAccess(string typestring)
        {
            access = null;
            Type t = Type.GetType(typestring);

            access = (IT_B_USERAccess)Activator.CreateInstance(t);
        }
        public FactoryT_B_USERAccess()
        {
            access = null;
            Type t = Type.GetType(clsname);

            access = (IT_B_USERAccess)Activator.CreateInstance(t);
        }