DocumentQueryable.CountAsync<TSource> Method
Definition
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Returns the number of elements in a sequence.
public static System.Threading.Tasks.Task<int> CountAsync<TSource> (this System.Linq.IQueryable<TSource> source, System.Threading.CancellationToken cancellationToken = default);
static member CountAsync : System.Linq.IQueryable<'Source> * System.Threading.CancellationToken -> System.Threading.Tasks.Task<int>
<Extension()>
Public Function CountAsync(Of TSource) (source As IQueryable(Of TSource), Optional cancellationToken As CancellationToken = Nothing) As Task(Of Integer)
Type Parameters
- TSource
The type of the elements of source.
Parameters
- source
- IQueryable<TSource>
The sequence that contains the elements to be counted.
- cancellationToken
- CancellationToken
The cancellation token.
Returns
The number of elements in the input sequence.