I have made a form with datasources vendtable and vendtrans. Inside vendtable_ds.executequery() looks like this: QueryBuildDataSource queryBuildDatasource ,queryBDS_VendTrans_Invoice; ; queryBuildDatasource = this.query().dataSourceTable(tablenum(vendtable)); queryBDS_VendTrans_Invoice = this.query().dataSourceTable(tablenum(vendtrans)); if (curext() == "MASTERCOMP") { this.query().allowCrossCompany(true); } else { this.query().allowCrossCompany(false); } //FilterVendorName = stringedit control on form if (FilterVendorName.text()) { queryBuildDatasource.addRange(fieldNum(VendTable,Name)).value(strfmt("*%1*", FilterVendorName.text())); } else { queryBuildDatasource.clearRange(fieldNum(VendTable,Name)); } //FilterInvoiceNumber = stringedit control on form if (FilterInvoiceNumber.valueStr() == "") { queryBDS_VendTrans_Invoice.enabled(false); } else { queryBDS_VendTrans_Invoice.enabled(true); queryBDS_VendTrans_In...