Public Function GetFormula( _
   ByVal row As Integer, _
   ByVal column As Integer _
) As String

Dim instance As DefaultSheetDataModel
Dim row As Integer
Dim column As Integer
Dim value As String
 
value = instance.GetFormula(row, column)

public string GetFormula( 
   int row,
   int column
)

Private Sub Page_Load(ByVal sender As System.Object,ByVal e As System.EventArgs)Handles MyBase.Load

If(Me.IsPostBack)Then Return

FpSpread1.ActiveSheetView.RowCount=10

Dim i As Integer
Dim Str As Object
For i=0 To 3
FpSpread1.ActiveSheetView.SetValue(i,0,i)
FpSpread1.ActiveSheetView.SetValue(i,1,i)
FpSpread1.ActiveSheetView.SetValue(i,2,i)
Next

FpSpread1.ActiveSheetView.Cells(5,0).Formula="SUM(A3:A4)"
FpSpread1.ActiveSheetView.Cells(5,1).Formula="SUM(A3:A4)"
FpSpread1.ActiveSheetView.Cells(5,2).Formula="SUM(A3:A4)"

Dim dm As FarPoint.Web.Spread.Model.DefaultSheetDataModel=CType(FpSpread1.ActiveSheetView.DataModel,FarPoint.Web.Spread.Model.DefaultSheetDataModel)
Str=dm.GetFormula(5,1)
ListBox1.Items.Add(Convert.ToString(Str))
End Sub

private void Page_Load(object sender,System.EventArgs e)
{
if(this.IsPostBack)return;

int i;
object str;
FpSpread1.ActiveSheetView.RowCount=10;
for(i=0;i<=3;i++)
{
FpSpread1.ActiveSheetView.SetValue(i,0,i);
FpSpread1.ActiveSheetView.SetValue(i,1,i);
FpSpread1.ActiveSheetView.SetValue(i,2,i);
}

FpSpread1.ActiveSheetView.Cells[5,0].Formula="SUM(A3:A4)";
FpSpread1.ActiveSheetView.Cells[5,1].Formula="SUM(A3:A4)";
FpSpread1.ActiveSheetView.Cells[5,2].Formula="SUM(A3:A4)";

FarPoint.Web.Spread.Model.DefaultSheetDataModel dm=(FarPoint.Web.Spread.Model.DefaultSheetDataModel)FpSpread1.ActiveSheetView.DataModel;
str=dm.GetFormula(5,1);
ListBox1.Items.Add(Convert.ToString(str));
}