DbRawSqlQuery<TElement>.ContainsAsync Method
Definition
Important
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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
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.
Applies to
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
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.
Applies to
Entity Framework