The server result set count value from a query, if the query has requested the value.
Assembly: System.Data.Services.Client (in System.Data.Services.Client.dll)
Thrown when the count tag is not found in the response stream.
An InvalidOperationException is raised when count was not part of the original request, that is, if the count tag is not found in the response stream.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.