public CellViewNumber(Activity context, CellControllerNumber controller)
        {
            numberView = new EditText(context)
            {
                InputType = InputTypes.ClassNumber |
                            InputTypes.NumberFlagDecimal |
                            InputTypes.NumberFlagSigned
            };
            numberView.SetMaxLines(1);
            numberView.SetLines(1);
            numberView.SetSingleLine(true);
            numberView.AddTextChangedListener(this);

            cell_controller = controller;



            controller.HookView(this);
        }
 public CellModelNumber(ColumnModel parent) : base(parent)
 {
     number     = "";
     controller = new CellControllerNumber(this);
 }