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XPQueryExtensions.AllAsync<T>(IQueryable<T>, Expression<Func<T, Boolean>>, CancellationToken) Method
Asynchronously checks whether all objects in a selection meet specific requirements.
Namespace: DevExpress.Xpo
Assembly: DevExpress.Xpo.v19.2.dll
Declaration
public static Task<bool> AllAsync<T>(
this IQueryable<T> query,
Expression<Func<T, bool>> predicate,
CancellationToken cancellationToken = default(CancellationToken)
)<ExtensionAttribute>
Public Shared Function AllAsync(Of T)(
query As IQueryable(Of T),
predicate As Expression(Of Func(Of T, Boolean)),
cancellationToken As CancellationToken = Nothing
) As Task(Of Boolean)public static Task<bool> AllAsync<T>(
this IQueryable<T> query,
Expression<Func<T, bool>> predicate,
CancellationToken cancellationToken = default(CancellationToken)
)<ExtensionAttribute>
Public Shared Function AllAsync(Of T)(
query As IQueryable(Of T),
predicate As Expression(Of Func(Of T, Boolean)),
cancellationToken As CancellationToken = Nothing
) As Task(Of Boolean)Parameters
| Name | Type | Description |
|---|---|---|
| query | IQueryable<T> | An XPQuery<T> that specifies a selection of persistent objects. |
| predicate | Expression<Func<T, Boolean>> | An expression which determines requirements persistent objects need to meet. |
| cancellationToken | CancellationToken | A CancellationToken object that delivers a cancellation notice to the running operation. |
Parameters
| Name | Type | Description |
|---|---|---|
| query | IQueryable<T> | An XPQuery<T> that specifies a selection of persistent objects. |
| predicate | Expression<Func<T, Boolean>> | An expression which determines requirements persistent objects need to meet. |
| cancellationToken | CancellationToken | A CancellationToken object that delivers a cancellation notice to the running operation. |
Returns
| Type | Description |
|---|---|
| Task<Boolean> | A Task that returns true if all objects in a selection meet specific requirements. Otherwise, it returns false. |
Returns
| Type | Description |
|---|---|
| Task<Boolean> | A Task that returns true if all objects in a selection meet specific requirements. Otherwise, it returns false. |
Type Parameters
| Name | Description |
|---|---|
| T |
Type Parameters
| Name | Description |
|---|---|
| T |