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IMongoCollectionExtensionsUpdateOneAsyncTDocument Method (IMongoCollectionTDocument, ExpressionFuncTDocument, Boolean, UpdateDefinitionTDocument, UpdateOptions, CancellationToken)

Updates a single document.

Namespace:  MongoDB.Driver
Assembly:  MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.12.2+a4a3888f4fb51bb518b1eb5002effc2d47f2ea6a
Syntax
public static Task<UpdateResult> UpdateOneAsync<TDocument>(
	this IMongoCollection<TDocument> collection,
	Expression<Func<TDocument, bool>> filter,
	UpdateDefinition<TDocument> update,
	UpdateOptions 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.DriverUpdateOptions
The options.
cancellationToken (Optional)
Type: System.ThreadingCancellationToken
The cancellation token.

Type Parameters

TDocument
The type of the document.

Return Value

Type: TaskUpdateResult
The result of the update operation.

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