XPQueryExtensions.FirstOrDefaultAsync<T>(IQueryable<T>, CancellationToken) Method
Asynchronously gets the first object in a selection. If the selection is empty, returns a default value for <T>.
Namespace: DevExpress.Xpo
Assembly: DevExpress.Xpo.v24.2.dll
NuGet Package: DevExpress.Xpo
#Declaration
public static Task<T> FirstOrDefaultAsync<T>(
this IQueryable<T> query,
CancellationToken cancellationToken = default(CancellationToken)
)
#Parameters
Name | Type | Description |
---|---|---|
query | IQueryable<T> | An XPQuery |
#Optional Parameters
Name | Type | Default | Description |
---|---|---|---|
cancellation |
Cancellation |
null | A Cancellation |
#Type Parameters
Name |
---|
T |
#Returns
Type | Description |
---|---|
Task<T> | A Task that returns the first object in a selection or a a default value for <T>. |
See Also