DbContext.SaveChanges Method ()
Saves all changes made in this context to the underlying database.
Assembly: EntityFramework (in EntityFramework.dll)
Exception | Condition |
---|---|
DbUpdateException | An error occurred sending updates to the database. |
DbUpdateConcurrencyException | A database command did not affect the expected number of rows. This usually indicates an optimistic concurrency violation; that is, a row has been changed in the database since it was queried. |
DbEntityValidationException | The save was aborted because validation of entity property values failed. |
NotSupportedException | An attempt was made to use unsupported behavior such as executing multiple asynchronous commands concurrently on the same context instance. |
ObjectDisposedException | The context or connection have been disposed. |
InvalidOperationException | Some error occurred attempting to process entities in the context either before or after sending commands to the database. |