private void PageLoad(object sender, System.EventArgs e)
{
FarPoint.Web.Spread.SheetView sv;
      sv = FpSpread1.ActiveSheetView;
      sv.Cells[0, 0, 2, 3].CellType = New FarPoint.Web.Spread.IntegerCellType();
      sv.SetValue(0, 0, 20)
      sv.SetValue(1, 0, 10)
      sv.SetFormula(2, 0, "Sum(A1,A2)");
      sv.AutoCalculation = false;
}
private void Button1Click(object sender, System.EventArgs e)
{
      FarPoint.Web.Spread.SheetView sv;
      sv = FpSpread1.ActiveSheetView;
      sv.Cells[1, 0].Value = 100;
      sv.RecalculateAll();
}
	 
	
		Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
      Dim sv As FarPoint.Web.Spread.SheetView
      sv = FpSpread1.ActiveSheetView
      sv.Cells(0, 0, 2, 3).CellType = New FarPoint.Web.Spread.IntegerCellType
      sv.SetValue(0, 0, 20)
      sv.SetValue(1, 0, 10)
      sv.SetFormula(2, 0, "Sum(A1,A2)")
      sv.AutoCalculation = False
End Sub
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
      Dim sv As FarPoint.Web.Spread.SheetView
      sv = FpSpread1.ActiveSheetView
      sv.Cells(1, 0).Value = 100
      sv.RecalculateAll()
End Sub