viewercq的专栏

实体层类： Imports System.DataImports System.Data.SqlClientImports Global_utility Public Class DataBaseOperate    Private StrSqlConn As String    Private DbConn As SqlConnection     Public Sub New()       

逻辑层： Imports System.Data.SqlClientImports WorkVision.DJ0211E Public Class LogicTransact    Private ObjDataBaseOperate As DataBaseOperate     Public Sub New()        构造函数        MyBase.New()        Ob