AnotherClass.bar.add(foo); // bar is getting assigned with dependency injection in AnotherClass
这将导致DevExpress.Xpo.Exceptions.SessionMixingExceptionDevExpress.Xpo.Exceptions.SessionMixingException: DevExpress.Xpo.Exceptions.SessionMixingException:'Foo
public XPCollection<Txn> RetrieveTransactions() if (ObjectSpace is DevExpress.ExpressApp.Xpo.XPObjectSpaceTxn>)txns;但是我得到了下面的错误:
Error 1 Cannot implicitly convert type 'DevExpress.Xpo.XPCollection' to 'DevExpress.X
在使用XPCollection完成一些数据库更改之后,我遇到了一个在UnitOfWork中刷新数据的问题。XPCollection使用XpoDefault.Session。using (UnitOfWork uow = new UnitOfWork()) var photos = new XPCollection<Photo>(uow); uow.CommitTransaction
我有一个使用MSSQLSERVER的应用程序,当我将其部署到客户时,服务器名称可能会更改,因此我必须在运行时更改我的xpo数据模型的连接字符串。这是使用XPO数据模型生成的类 public const string ConnectionString =autoCreateOption); }
public static DevExpress.Xpo<
我在Devexpess中使用persistent类添加了两个datatable XPQuery<mr_role> EmployeeRoleQuery = new XPQuery<mr_role>(XpoDefault.Session);
var employees = from emp in EmployeeQuery join empRole in EmployeeRoleQ