.NET Framework 4.5.2+
.NET Framework 4.5.2+
.NET Standard 2.0+

XPQueryExtensions.CountAsync<T>(IQueryable<T>, CancellationToken) Method

Asynchronously counts the number of objects in a selection.

Namespace: DevExpress.Xpo

Assembly: DevExpress.Xpo.v20.1.dll

Declaration

public static Task<int> CountAsync<T>(
    this IQueryable<T> query,
    CancellationToken cancellationToken = default(CancellationToken)
)
<ExtensionAttribute>
Public Shared Function CountAsync(Of T)(
    query As IQueryable(Of T),
    cancellationToken As CancellationToken = Nothing
) As Task(Of Integer)

Parameters

Name Type Description
query IQueryable<T>

An XPQuery<T> that specifies a selection of persistent objects.

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<Int32>

An Task that returns an Int32 value. This value is how many objects a selection contains.

See Also