BsonDocumentMerge Method (BsonDocument, Boolean)MongoDB C# Driver API Documentation
Merges another document into this one, specifying whether existing elements are overwritten.

Namespace: MongoDB.Bson
Assembly: MongoDB.Bson (in MongoDB.Bson.dll) Version: { version: '1.11.0.92', semver: '1.11.0', commit: '791a16588d4a8b3b118a8b3b57cfa436fec5d3da', commitDate: '2015-12-08 22:55:45' }
Syntax

public virtual BsonDocument Merge(
	BsonDocument document,
	bool overwriteExistingElements
)

Parameters

document
Type: MongoDB.BsonBsonDocument
The other document.
overwriteExistingElements
Type: SystemBoolean
Whether to overwrite existing elements.

Return Value

Type: BsonDocument
The document (so method calls can be chained).
See Also

Reference