以下是我遇到的错误。请帮助解决这个问题。
Telerik.OpenAccess.OpenAccessException was unhandled by user code
Message=No metadata has been registered for class Ind.Data.IndiStage.Academy. (This usually indicates, that either this class is not declared persistent or it is declared persistent but not enhanced. The class was loaded from file:///C:/Users/suresh/Documents/WorkSpace/Ind_folder/Ind.ETLService/bin/Release/Ind.Data.IndiStage.DLL.)
Source=Telerik.OpenAccess
CanRetry=true
StackTrace:
at Telerik.OpenAccess.SPI.Backends.ThrowException(Exception e)
at OpenAccessRuntime.ExceptionWrapper.Throw()
at OpenAccessRuntime.storagemanager.StorageManagerFactoryBuilder.createSmfForURL()
at OpenAccessRuntime.storagemanager.StorageManagerFactoryBuilder.createStorageManagerFactory()
at OpenAccessRuntime.DataObjects.PersistenceManagerFactoryImp.createStorageManagerFactory()
at OpenAccessRuntime.DataObjects.PersistenceManagerFactoryBase.init()
at OpenAccessRuntime.DataObjects.PersistenceManagerFactoryImp.init()
at OpenAccessRuntime.DataObjects.PersistenceManagerFactoryImp..ctor(PropertySet properties, Object classloader)
at OpenAccessRuntime.DataObjects.PersistenceManagerFactoryImp.getPersistenceManagerFactory(PropertySet props)
at OpenAccessRuntime.DataObjects.BootstrapPMF.getPersistenceManagerFactory(PropertySet props)
at OpenAccessRuntime.Helper.getPersistenceManagerFactory(PropertySet props)
at OpenAccessRuntime.DatabaseAdapter.AssertPersistenceManagerFactory(String usr, String password, Boolean open)
at OpenAccessRuntime.DatabaseAdapter.GetObjectScope(TransactionProvider provider)
at Telerik.OpenAccess.Database.GetObjectScope(TransactionProvider provider)
at Telerik.OpenAccess.OpenAccessContextBase.GetScope()
at Telerik.OpenAccess.OpenAccessContext.GetAllCore[T]()
at Telerik.OpenAccess.OpenAccessContext.GetAll[T]()
at System.Timers.Timer.MyTimerCallback(Object state)
InnerException: