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MongoCollectionBaseTDocumentCountAsync Method (FilterDefinitionTDocument, CountOptions, CancellationToken)

Note: This API is now obsolete.

Counts the number of documents in the collection.

Namespace:  MongoDB.Driver
Assembly:  MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.20.0+ee01960089f28ea1b501690df5fc9f6318a70242
Syntax
[ObsoleteAttribute("Use CountDocumentsAsync or EstimatedDocumentCountAsync instead.")]
public abstract Task<long> CountAsync(
	FilterDefinition<TDocument> filter,
	CountOptions options = null,
	CancellationToken cancellationToken = null
)

Parameters

filter
Type: MongoDB.DriverFilterDefinitionTDocument
The filter.
options (Optional)
Type: MongoDB.DriverCountOptions
The options.
cancellationToken (Optional)
Type: System.ThreadingCancellationToken
The cancellation token.

Return Value

Type: TaskInt64
The number of documents in the collection.

Implements

IMongoCollectionTDocumentCountAsync(FilterDefinitionTDocument, CountOptions, CancellationToken)
See Also