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IMongoCollectionExtensionsFindOneAndUpdateAsyncTDocument, TProjection Method (IMongoCollectionTDocument, ExpressionFuncTDocument, Boolean, UpdateDefinitionTDocument, FindOneAndUpdateOptionsTDocument, TProjection, CancellationToken)
Finds a single document and updates it atomically.

Namespace: MongoDB.Driver
Assembly: MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.0.1
Syntax
public static Task<TProjection> FindOneAndUpdateAsync<TDocument, TProjection>(
	this IMongoCollection<TDocument> collection,
	Expression<Func<TDocument, bool>> filter,
	UpdateDefinition<TDocument> update,
	FindOneAndUpdateOptions<TDocument, TProjection> options = null,
	CancellationToken cancellationToken = null
)

Parameters

collection
Type: MongoDB.DriverIMongoCollectionTDocument
The collection.
filter
Type: System.Linq.ExpressionsExpressionFuncTDocument, Boolean
The filter.
update
Type: MongoDB.DriverUpdateDefinitionTDocument
The update.
options (Optional)
Type: MongoDB.DriverFindOneAndUpdateOptionsTDocument, TProjection
The options.
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: TaskTProjection
The returned document.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IMongoCollectionTDocument. 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