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
NuGet Package: DevExpress.Xpo
#Declaration
public static Task<bool> ContainsAsync<T>(
this IQueryable<T> query,
T item,
CancellationToken cancellationToken = default(CancellationToken)
)
#Parameters
Name | Type | Description |
---|---|---|
query | IQueryable<T> | An XPQuery |
item | T | An object, which specifies a persistent object to be found in a selection. |
#Optional Parameters
Name | Type | Default | Description |
---|---|---|---|
cancellation |
Cancellation |
null | A Cancellation |
#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