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IMongoCollectionExtensionsFindOneAndReplaceAsyncTDocument, TProjection Method (IMongoCollectionTDocument, IClientSessionHandle, ExpressionFuncTDocument, Boolean, TDocument, FindOneAndReplaceOptionsTDocument, TProjection, CancellationToken)

Finds a single document and replaces it atomically.

Namespace:  MongoDB.Driver
Assembly:  MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.18.0+554c799eb1ec8dd732f16c739387f6664df1ba7a
Syntax
public static Task<TProjection> FindOneAndReplaceAsync<TDocument, TProjection>(
	this IMongoCollection<TDocument> collection,
	IClientSessionHandle session,
	Expression<Func<TDocument, bool>> filter,
	TDocument replacement,
	FindOneAndReplaceOptions<TDocument, TProjection> options = null,
	CancellationToken cancellationToken = default
)

Parameters

collection
Type: MongoDB.DriverIMongoCollectionTDocument
The collection.
session
Type: MongoDB.DriverIClientSessionHandle
The session.
filter
Type: System.Linq.ExpressionsExpressionFuncTDocument, Boolean
The filter.
replacement
Type: TDocument
The replacement.
options (Optional)
Type: MongoDB.DriverFindOneAndReplaceOptionsTDocument, 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