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[Ras Elased]

Este es el evento que me permite abrir las páginas ...

Private Sub DataGrid2_ItemCommand(ByVal source As Object, ByVal e As System.Web.UI.WebControls.DataGridCommandEventArgs ) Handles DataGrid2.ItemCommand
Dim Command As String

Command = CType(e.CommandSource, Button).Text

Try

Select Case Command
Case "A" Response.Write("<script>window.open('PAGINA1.aspx' ,'ventana','width=700,height=400,screenX=400,scree nY=400,top=400,left=400,location=no,menubar=no,res izable=yes,status=no,directories=no,toolbar=no');</script>")

Case "B" Response.Write("<script>window.open('PAGINA2.aspx' ,'ventana','width=700,height=400,screenX=400,scree nY=400,top=400,left=400,location=no,menubar=no,res izable=yes,status=no,directories=no,toolbar=no');</script>")

Case "C" Response.Write("<script>window.open('PAGINA3.aspx' ,'ventana','width=700,height=400,screenX=400,scree nY=400,top=400,left=400,location=no,menubar=no,res izable=yes,status=no,directories=no,toolbar=no');</script>")
End Select
Catch ex As Exception

End Try
End Sub