采用RealThinClient+UniDAC实现三层框架演示 前台演示同步与异步两种调用方式,后台演示通过TDataset变更数据库与直接执行SQL命令变更数据库两种方式。 为此特意设计一个TRtcDataSetChanges Helper Class用于生成特定后台数据库SQL语句,对数据变更实现完全控制。 TRtcDataSetChangesHelper = class helper for TRtcDataSetChanges public function MSSQLGetActio
Data providers allow to get data for reports from different sources, including the components shipped with Delphi (FireDAC, IBExpress, DbExpress, dbGo (ADO), BDE), and third-party components (DevArt's UniDAC, PgDAC, MyDAC, IBDAC; MicroOLAP's DAC for