AdomdDataReader-Klasse
Provides a means of reading a forward-only result set obtained by running a command, and can be used to access multidimensional data sources.
Namespace: Microsoft.AnalysisServices.AdomdServer
Assembly: msmgdsrv (in msmgdsrv.dll)
Syntax
'Declaration
Public NotInheritable Class AdomdDataReader _
Inherits MarshalByRefObject _
Implements IDataReader, IDisposable, IDataRecord, IEnumerable
'Usage
Dim instance As AdomdDataReader
public sealed class AdomdDataReader : MarshalByRefObject,
IDataReader, IDisposable, IDataRecord, IEnumerable
public ref class AdomdDataReader sealed : public MarshalByRefObject,
IDataReader, IDisposable, IDataRecord, IEnumerable
[<SealedAttribute>]
type AdomdDataReader =
class
inherit MarshalByRefObject
interface IDataReader
interface IDisposable
interface IDataRecord
interface IEnumerable
end
public final class AdomdDataReader extends MarshalByRefObject implements IDataReader, IDisposable, IDataRecord, IEnumerable
Hinweise
The AdomdDataReader class is the implementation of the [System.Data.IDataReader] interface for ADOMD.NET. All Microsoft .NET data providers implement the [System.Data.IDataReader] interface as a way of quickly reading forward-only result sets.
To create a AdomdDataReader, you must call the ExecuteReader method of the AdomdCommand, rather than directly using a constructor.
While the AdomdDataReader is in use, the AdomdCommand and the associated AdomdConnection is busy serving the AdomdDataReader. While in this state, no operations can be performed on the AdomdConnection or AdomdCommand objects other than closing them. This remains the case until the Close or Dispose method of the AdomdDataReader is called. Changes made to a result set by another process or thread while data is being read may be visible to the user of the AdomdDataReader. However, the precise behavior is timing dependent.
IsClosed and RecordsAffected are the only properties that you can call after the AdomdDataReader is closed.
Vererbungshierarchie
System. . :: . .Object
System. . :: . .MarshalByRefObject
Microsoft.AnalysisServices.AdomdServer..::..AdomdDataReader
Threadsicherheit
Alle öffentlichen static (Shared in Visual Basic) Member dieses Typs sind threadsicher. Bei Instanzmembern ist die Threadsicherheit nicht gewährleistet.