FarPoint.Web.Spread.GeneralCellType g = new FarPoint.Web.Spread.GeneralCellType();
System.Globalization.NumberFormatInfo nfi = new System.Globalization.NumberFormatInfo();
nfi.NumberDecimalDigits = 3;
nfi.NumberDecimalSeparator = ",";
g.NumberFormat = nfi;
FpSpread1.ActiveSheetView.Cells[0, 0].CellType = g;
FpSpread1.ActiveSheetView.Cells[0, 0].Value = 234.56;
Dim g As New FarPoint.Web.Spread.GeneralCellType
Dim nfi As New System.Globalization.NumberFormatInfo
nfi.NumberDecimalDigits = 3
nfi.NumberDecimalSeparator = ","
g.NumberFormat = nfi
FpSpread1.ActiveSheetView.Cells(0, 0).CellType = g
FpSpread1.ActiveSheetView.Cells(0, 0).Value = 234.56