Create, Read, Update and Delete Data

• Aug 31, 2020

Once you have obtained or created an Object Space instance (as described in the Ways to Implement Business Logic topic), you can use it to create, read, update or delete data. This topic lists common data-aware operations with the corresponding Object Space methods and events.

Data Manipulation	Related IObjectSpace Members
Create a new object	Methods: IObjectSpace.CreateObject IObjectSpace.CreateObject<ObjectType> IObjectSpace.IsNewObject
Get a single object	Methods: IObjectSpace.FirstOrDefault<ObjectType> IObjectSpace.FindObject IObjectSpace.FindObject<ObjectType> IObjectSpace.GetObject IObjectSpace.GetObjectByKey IObjectSpace.GetObjectByKey<ObjectType> IObjectSpace.GetObjectByHandle IObjectSpace.IsObjectFitForCriteria
Get a collection	Methods: IObjectSpace.GetObjects IObjectSpace.GetObjects<T> IObjectSpace.CreateDataView IObjectSpace.CreateServerCollection IObjectSpace.CreateCollection IObjectSpace.SetTopReturnedObjectsCount IObjectSpace.GetObjectsQuery<T>
Count objects	Methods: IObjectSpace.GetObjectsCount
Save	Methods: IObjectSpace.CommitChanges IObjectSpace.IsObjectToSave IObjectSpace.GetObjectsToSave Properties: IObjectSpace.IsCommitting Events: IObjectSpace.Committing IObjectSpace.Committed IObjectSpace.CustomCommitChanges IObjectSpace.ObjectSaving IObjectSpace.ObjectSaved
Delete	Methods: IObjectSpace.Delete IObjectSpace.IsObjectToDelete IObjectSpace.GetObjectsToDelete Properties: IObjectSpace.IsDeleting Events: IObjectSpace.ObjectDeleting IObjectSpace.ObjectDeleted
Track modifications	Methods: IObjectSpace.SetModified Properties: IObjectSpace.ModifiedObjects IObjectSpace.IsModified Events: IObjectSpace.ObjectChanged IObjectSpace.ModifiedChanged IObjectSpace.ModifiedChanged
Refresh and rollback	Methods: IObjectSpace.Refresh IObjectSpace.ReloadObject IObjectSpace.Rollback Events: IObjectSpace.Refreshing IObjectSpace.Reloaded IObjectSpace.ObjectReloaded IObjectSpace.CustomRefresh IObjectSpace.RollingBack IObjectSpace.CustomRollBack

For details, refer to the descriptions of these members.