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IMongoCollectionExtensions.DeleteOneAsync<TDocument> Method
Deletes a single document.

Namespace: MongoDB.Driver
Assembly: MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.3.0
Syntax
public static Task<DeleteResult> DeleteOneAsync<TDocument>(
	this IMongoCollection<TDocument> collection,
	Expression<Func<TDocument, bool>> filter,
	CancellationToken cancellationToken = null
)

Parameters

collection
Type: MongoDB.Driver.IMongoCollection<TDocument>
The collection.
filter
Type: System.Linq.Expressions.Expression<Func<TDocument, Boolean>>
The filter.
cancellationToken (Optional)
Type: System.Threading.CancellationToken
The cancellation token.

Type Parameters

TDocument
The type of the document.

Return Value

Type: Task<DeleteResult>
The result of the delete operation.

Usage Note

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