public bool IsMultivalue()
 {
     return(Grbit.HasFlag(EsentColumndefGrbit.MultiValued));
 }
 public bool IsAutoincrement()
 {
     return(Grbit.HasFlag(EsentColumndefGrbit.Autoincrement));
 }
 public bool IsNullable()
 {
     return(!Grbit.HasFlag(EsentColumndefGrbit.NotNULL));
 }