Public ReadOnly Property Index As Integer

Dim instance As SheetViewStateEventArgs
Dim value As Integer
 
value = instance.Index

public int Index {get;}

private void FpSpread1SaveOrLoadSheetState(object sender, FarPoint.Web.Spread.SheetViewStateEventArgs e)
{
if (e.IsSave)
{
Session["SheetName" + e.Index] = e.SheetView.SaveViewState();
}
else
{
e.SheetView.LoadViewState("SheetName" + e.Index);
}
e.Handled = true;
}

Private Sub FpSpread1SaveOrLoadSheetState(ByVal sender As Object, ByVal e As FarPoint.Web.Spread.SheetViewStateEventArgs)
Handles FpSpread1.SaveOrLoadSheetState
If (e.IsSave) Then
Session("SheetName" & e.Index) = e.SheetView.SaveViewState()
Else
e.SheetView.LoadViewState("SheetName" & e.Index)
End If
e.Handled = True
End Sub