IFindFluentExtensionsFirstAsyncTDocument, TProjection Method |
Get the first result.
Namespace:
MongoDB.Driver
Assembly:
MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.17.0+b316340e6cc3a8bfc8638dc31b54fbbfe41bfcb2
Syntax public static Task<TProjection> FirstAsync<TDocument, TProjection>(
this IFindFluent<TDocument, TProjection> find,
CancellationToken cancellationToken = default
)
<ExtensionAttribute>
Public Shared Function FirstAsync(Of TDocument, TProjection) (
find As IFindFluent(Of TDocument, TProjection),
Optional cancellationToken As CancellationToken = Nothing
) As Task(Of TProjection)
[<ExtensionAttribute>]
static member FirstAsync :
find : IFindFluent<'TDocument, 'TProjection> *
?cancellationToken : CancellationToken
(* Defaults:
let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> Task<'TProjection>
Parameters
- find
- Type: MongoDB.DriverIFindFluentTDocument, TProjection
The fluent find. - cancellationToken (Optional)
- Type: System.ThreadingCancellationToken
The cancellation token.
Type Parameters
- TDocument
- The type of the document.
- TProjection
- The type of the projection (same as TDocument if there is no projection).
Return Value
Type:
TaskTProjectionA Task whose result is the first result.
Usage Note
In Visual Basic and C#, you can call this method as an instance method on any object of type
IFindFluentTDocument,
TProjection. When you use instance method syntax to call this method, omit the first parameter. For more information, see
Extension Methods (Visual Basic) or
Extension Methods (C# Programming Guide).
See Also