Public Overloads Sub SetValue( _
   ByVal row As Integer, _
   ByVal column As Integer, _
   ByVal value As Object, _
   ByVal validate As Boolean _
) 

Dim instance As SheetView
Dim row As Integer
Dim column As Integer
Dim value As Object
Dim validate As Boolean
 
instance.SetValue(row, column, value, validate)

public void SetValue( 
   int row,
   int column,
   object value,
   bool validate
)

object o;

fpSpread1.ActiveSheet.SetValue(0, 0, 20);

o = fpSpread1.ActiveSheet.GetValue(0, 0);

listBox1.Items.Add(o.ToString());

Dim o As Object

FpSpread1.ActiveSheet.SetValue(0, 0, 20)

o = FpSpread1.ActiveSheet.GetValue(0, 0)

ListBox1.Items.Add(o.ToString())