AuthenticatedCache GetQueryService Method Pivotal GemFire .NET Client Documentation
Get a query service object to be able to query the cache. Supported only when cache is created from Pool(pool is in multiuserSecure mode)

Namespace: GemStone.GemFire.Cache
Assembly: GemStone.GemFire.Cache (in GemStone.GemFire.Cache.dll) Version:

public virtual QueryService GetQueryService()


IRegionService GetQueryService 

Currently only works against the java server in native mode, and at least some endpoints must have been defined in some regions before actually firing a query.
See Also