protected void Page_Load(object sender, EventArgs e) { dsTax.Criteria = BinaryOperator.And( BinaryOperator.Or( new BinaryOperator("RowStatus", Utility.Constant.ROWSTATUS_ACTIVE), new BinaryOperator("RowStatus", Utility.Constant.ROWSTATUS_DEFAULT) ), //new BinaryOperator("TaxTypeId.Code", "GTGT")).ToString(); new BinaryOperator("TaxTypeId.Code", "VAT")).ToString(); comboVAT.DataBindItems(); }