FarPoint.Web.Spread.Model.ISheetSelectionModel iss;
iss = (FarPoint.Web.Spread.Model.ISheetSelectionModel)FpSpread1.ActiveSheetView.SelectionModel;
iss.SetSelection(0, 0, 2, 2);
iss.AddSelection(3, 0, 1, 2);
bool b = iss.IsEmpty;
string msg = "The model has selections is " + b.ToString();
Response.Write("<script language='javascript'>alert('" + msg + "')</script>");
Dim iss As FarPoint.Web.Spread.Model.ISheetSelectionModel
iss = FpSpread1.ActiveSheetView.SelectionModel
iss.SetSelection(0, 0, 2, 2)
iss.AddSelection(3, 0, 3, 2)
Dim b As Boolean = iss.IsEmpty
Dim msg As String = "The model has selections is " + b.ToString()
Response.Write("<script language='javascript'>alert('" & msg & "')</script>")