Determines whether the specified Object is equal to DBNull.
[Visual Basic] Overrides Public Function Equals( _ ByVal other As Object _ ) As Boolean [C#] public override bool Equals( object other ); [C++] public: override bool Equals( Object* other ); [JScript] public override function Equals( other : Object ) : Boolean;
true if other refers to the sole DBNull instance; otherwise, false.