FarPoint.Web.Spread.Extender.FilteredTextCellType f = new FarPoint.Web.Spread.Extender.FilteredTextCellType();
f.FilterType = AjaxControlToolkit.FilterTypes.Custom;
f.ValidChars = "0123456789AaBbCcDdEeFf";
f.InvalidChars = "`~!@#$%^&*()-+=[]{}:;\',..<>/? ";
f.ShowEditor = true;
f.FilterMode = AjaxControlToolkit.FilterModes.ValidChars;
FpSpread1.ActiveSheetView.Cells[0, 0].CellType = f;
Dim f As New FarPoint.Web.Spread.Extender.FilteredTextCellType
f.FilterType = AjaxControlToolkit.FilterTypes.Custom
f.ValidChars = "0123456789AaBbCcDdEeFf"
f.InvalidChars = "`~!@#$%^&*()-+=[]{}:;',.<>/? "
f.ShowEditor = True
f.FilterMode = AjaxControlToolkit.FilterModes.ValidChars
FpSpread1.ActiveSheetView.Cells(0, 0).CellType = f