XPQueryExtensions.ContainsAsync<T>(IQueryable<T>, T, CancellationToken) Method
Asynchronously checks whether a specific object exists in a selection.
Namespace: DevExpress.Xpo
Assembly: DevExpress.Xpo.v24.2.dll
Declaration
Parameters
Name | Type | Description |
---|---|---|
query | IQueryable<T> | An XPQuery<T> that specifies a selection of persistent objects. |
item | T | An object, which specifies a persistent object to be found in a selection. |
Optional Parameters
Name | Type | Default | Description |
---|---|---|---|
cancellationToken | CancellationToken | null | A CancellationToken object that delivers a cancellation notice to the running operation. |
Type Parameters
Name |
---|
T |
Returns
Type | Description |
---|---|
Task<Boolean> | A Task that returns true if a specific object exists in a selection. Otherwise, it returns false. |
See Also