ObjectContext::SaveChangesAsync Method
Asynchronously persists all updates to the store.
Assembly: EntityFramework (in EntityFramework.dll)
| Name | Description | |
|---|---|---|
 | SaveChangesAsync() | Asynchronously persists all updates to the database and resets change tracking in the object context. |
| SaveChangesAsync(CancellationToken) | Asynchronously persists all updates to the database and resets change tracking in the object context. |
| SaveChangesAsync(SaveOptions) | Asynchronously persists all updates to the database and optionally resets change tracking in the object context. |
| SaveChangesAsync(SaveOptions, CancellationToken) | Asynchronously persists all updates to the database and optionally resets change tracking in the object context. |
ObjectContext::SaveChangesAsync Method ()
Asynchronously persists all updates to the database and resets change tracking in the object context.
Return Value
Type: System.Threading.Tasks::Task<Int32>^A task that represents the asynchronous operation. The task result contains the number of objects in an Added, Modified, or Deleted state when SaveChanges was called.
| Exception | Condition |
|---|---|
| OptimisticConcurrencyException | An optimistic concurrency violation has occurred while saving changes. |
Multiple active operations on the same context instance are not supported. Use 'await' to ensure that any asynchronous operations have completed before calling another method on this context.
ObjectContext::SaveChangesAsync Method (CancellationToken)
Asynchronously persists all updates to the database and resets change tracking in the object context.
Parameters
- cancellationToken
-
Type:
System.Threading::CancellationToken
A CancellationToken to observe while waiting for the task to complete.
Return Value
Type: System.Threading.Tasks::Task<Int32>^A task that represents the asynchronous operation. The task result contains the number of objects in an Added, Modified, or Deleted state when SaveChanges was called.
| Exception | Condition |
|---|---|
| OptimisticConcurrencyException | An optimistic concurrency violation has occurred while saving changes. |
Multiple active operations on the same context instance are not supported. Use 'await' to ensure that any asynchronous operations have completed before calling another method on this context.
ObjectContext::SaveChangesAsync Method (SaveOptions)
Asynchronously persists all updates to the database and optionally resets change tracking in the object context.
Parameters
- options
-
Type:
System.Data.Entity.Core.Objects::SaveOptions
A SaveOptions value that determines the behavior of the operation.
Return Value
Type: System.Threading.Tasks::Task<Int32>^A task that represents the asynchronous operation. The task result contains the number of objects in an Added, Modified, or Deleted state when SaveChanges was called.
| Exception | Condition |
|---|---|
| OptimisticConcurrencyException | An optimistic concurrency violation has occurred while saving changes. |
Multiple active operations on the same context instance are not supported. Use 'await' to ensure that any asynchronous operations have completed before calling another method on this context.
ObjectContext::SaveChangesAsync Method (SaveOptions, CancellationToken)
Asynchronously persists all updates to the database and optionally resets change tracking in the object context.
public: virtual Task<int>^ SaveChangesAsync( SaveOptions options, CancellationToken cancellationToken )
Parameters
- options
-
Type:
System.Data.Entity.Core.Objects::SaveOptions
A SaveOptions value that determines the behavior of the operation.
- cancellationToken
-
Type:
System.Threading::CancellationToken
A CancellationToken to observe while waiting for the task to complete.
Return Value
Type: System.Threading.Tasks::Task<Int32>^A task that represents the asynchronous operation. The task result contains the number of objects in an Added, Modified, or Deleted state when SaveChanges was called.
| Exception | Condition |
|---|---|
| OptimisticConcurrencyException | An optimistic concurrency violation has occurred while saving changes. |
Multiple active operations on the same context instance are not supported. Use 'await' to ensure that any asynchronous operations have completed before calling another method on this context.