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            Dim cmSl As New OleDbCommand("select * from PENA where VSL_VOY=@vsl_voy and POD"+ _                                                                                                                                 "LIKE @pod ",dbCon)
            Dim paPOD As New OleDbParameter("@pod", OleDbType.VarChar)
            Dim paVSL_VOY As New OleDbParameter("@vsl_voy", OleDbType.VarChar)
            
            paPOD.Value = IIf(Me.TextBoxPOD.Text.Length = 0, "%", Me.TextBoxPOD.Text.Trim.ToUpper)
            paVSL_VOY.Value = Me.TextBoxVSL_VOY.Text.Trim.ToUpper
            cmSl.Parameters.Add(paVSL_VOY)
            cmSl.Parameters.Add(paPOD)
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