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MongoCollectionBaseTDocumentCountAsync Method
Counts the number of documents in the collection.

Namespace: MongoDB.Driver
Assembly: MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.0.1
Syntax
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