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The following example uses VirtualEvents mode to fill grid. Grid get data throught VirtualReadData event. To try the example, place a SGGrid on a form. Paste the code into the Declarations section and press F5.

Private Sub SGGrid1_VirtualReadData(ByVal rowBuffer As IsgRowBuffer)
   Dim i As Integer
   'limit to 20 rows
   If rowBuffer.RowIndex = 20 Then
      rowBuffer.RowIndex = -1
      Exit Sub
   End If
    
   For i = 0 To rowBuffer.ColumnCount - 1
      rowBuffer.Value(i) = "Row: " & rowBuffer.RowIndex & " Col: " & (i + 1)
   Next
 
End Sub

Private Sub SGGrid1_OnInit()
   SGGrid1.DataColCount = 4
   SGGrid1.DataMode = sgVirtualEvents
End Sub

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