DbSet<TEntity>.AddAsync(TEntity, CancellationToken) Method
Definition
Important
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Begins tracking the given entity, and any other reachable entities that are not already being tracked, in the Added state such that they will be inserted into the database when SaveChanges() is called.
public virtual System.Threading.Tasks.Task<Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry<TEntity>> AddAsync (TEntity entity, System.Threading.CancellationToken cancellationToken = default);public virtual System.Threading.Tasks.ValueTask<Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry<TEntity>> AddAsync (TEntity entity, System.Threading.CancellationToken cancellationToken = default);abstract member AddAsync : 'Entity * System.Threading.CancellationToken -> System.Threading.Tasks.Task<Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry<'Entity>>
override this.AddAsync : 'Entity * System.Threading.CancellationToken -> System.Threading.Tasks.Task<Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry<'Entity>>abstract member AddAsync : 'Entity * System.Threading.CancellationToken -> System.Threading.Tasks.ValueTask<Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry<'Entity>>
override this.AddAsync : 'Entity * System.Threading.CancellationToken -> System.Threading.Tasks.ValueTask<Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry<'Entity>>Public Overridable Function AddAsync (entity As TEntity, Optional cancellationToken As CancellationToken = Nothing) As Task(Of EntityEntry(Of TEntity))Public Overridable Function AddAsync (entity As TEntity, Optional cancellationToken As CancellationToken = Nothing) As ValueTask(Of EntityEntry(Of TEntity))Parameters
- entity
- TEntity
The entity to add.
- cancellationToken
- CancellationToken
A CancellationToken to observe while waiting for the task to complete.
Returns
A task that represents the asynchronous Add operation. The task result contains the EntityEntry<TEntity> for the entity. The entry provides access to change tracking information and operations for the entity.
Exceptions
If the CancellationToken is canceled.
Remarks
This method is async only to allow special value generators, such as the one used by 'Microsoft.EntityFrameworkCore.Metadata.SqlServerValueGenerationStrategy.SequenceHiLo', to access the database asynchronously. For all other cases the non async method should be used.
Use State to set the state of only a single entity.
See EF Core change tracking for more information and examples.
Applies to
Entity Framework