DbRawSqlQuery<TElement>.ContainsAsync Method

Definition

Namespace:

System.Data.Entity.Infrastructure

Assembly:

EntityFramework.dll

Overloads

ContainsAsync(TElement)	Asynchronously determines whether the query contains a specified element by using the default equality comparer.
ContainsAsync(TElement, CancellationToken)	Asynchronously determines whether the query contains a specified element by using the default equality comparer.

ContainsAsync(TElement)

Asynchronously determines whether the query contains a specified element by using the default equality comparer.

public System.Threading.Tasks.Task<bool> ContainsAsync (TElement value);

member this.ContainsAsync : 'Element -> System.Threading.Tasks.Task<bool>

Public Function ContainsAsync (value As TElement) As Task(Of Boolean)

Parameters

value

TElement

The object to locate in the query result.

Returns

Task<Boolean>

A task that represents the asynchronous operation. The task result contains true if the query result contains the specified value; otherwise, false.

Remarks

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.

ContainsAsync(TElement, CancellationToken)

Asynchronously determines whether the query contains a specified element by using the default equality comparer.

public System.Threading.Tasks.Task<bool> ContainsAsync (TElement value, System.Threading.CancellationToken cancellationToken);

member this.ContainsAsync : 'Element * System.Threading.CancellationToken -> System.Threading.Tasks.Task<bool>

Parameters

value

TElement

The object to locate in the query result.

cancellationToken

CancellationToken

A CancellationToken to observe while waiting for the task to complete.

Returns

Task<Boolean>

A task that represents the asynchronous operation. The task result contains true if the query result contains the specified value; otherwise, false.

Remarks

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.