Function IsRowUsed( _
   ByVal row As Integer _
) As Boolean

Dim instance As IOptimizedEnumerationSupport
Dim row As Integer
Dim value As Boolean
 
value = instance.IsRowUsed(row)

bool IsRowUsed( 
   int row
)

FarPoint.Web.Spread.Model.IOptimizedEnumerationSupport oes;
Random r = new Random(); 
int countc, countr; 
int i, j; 
for (i = 0; i<=1; i++) 
{ 
     for (j = 0; j<=2; j++) 
          FpSpread1.ActiveSheetView.SetValue(i, j, r.Next(1, 200).ToString()); 
} 
oes = (FarPoint.Web.Spread.Model.IOptimizedEnumerationSupport)FpSpread1.ActiveSheetView.DataModel; 
bool b = oes.IsRowUsed(2);
string msg = "The row used is " + b.ToString();
Response.Write("<script language='javascript'>alert('" + msg + "')</script>");

Dim oes As FarPoint.Web.Spread.Model.IOptimizedEnumerationSupport
Dim r As New Random
Dim i, j As Integer
Dim countc, countr As Integer
For i = 0 To 1
     For j = 0 To 2
          FpSpread1.ActiveSheetView.SetValue(i, j, r.Next(1, 200).ToString())
     Next j
Next i
oes = FpSpread1.ActiveSheetView.DataModel
Dim b As Boolean = oes.IsRowUsed(2)
Dim msg As String = "The row used is " & b.ToString()
Response.Write("<script language='javascript'>alert('" & msg & "')</script>")