QueryExists Method

Tests that an element of that name exists (see $exists).

Namespace: MongoDB.Driver.Builders
Assembly: MongoDB.Driver.Legacy (in MongoDB.Driver.Legacy.dll) Version: 2.22.0+75246110ed1247226fcc7f8eb2c54ffab745693e

Syntax

Copy

public static IMongoQuery Exists(
	string name
)

Public Shared Function Exists ( 
	name As String
) As IMongoQuery

static member Exists : 
        name : string -> IMongoQuery

Parameters

name: Type: SystemString
The name of the element to test.

Return Value

Type: IMongoQuery
An IMongoQuery.

Reference

Query Class

MongoDB.Driver.Builders Namespace

QueryAddLanguageSpecificTextSet("LSTDBC0572C_0?cpp=::|nu=.");Exists Method

Parameters

Return Value

Reference

QueryExists Method