VB.net load first 500 lines of DataTable

Hi
I use the following code to populate a DataGridView.
Is it possible to load only the first 500 lines into the DataGridView


         Dim oConnectionString As String = Globals.ThisAddIn.oRIGHT.lblConnectionString.Text
                Dim con As SqlConnection = New SqlConnection(oConnectionString)
                Dim sSQL As String = Globals.ThisAddIn.oBOTTOM.txtSQL.Text
                con.Open()
                Dim da As SqlDataAdapter = New SqlDataAdapter(sSQL, con)
                da.Fill(ds, "MyTable")
                DataGridView1.DataSource = ds.Tables("MyTable")