AdomdDataReader.IsDBNull Method

Article
12/15/2008

Returns a Boolean that contains a value indicating whether the column is set to null.

Espace de noms: Microsoft.AnalysisServices.AdomdClient
Assembly: Microsoft.AnalysisServices.AdomdClient (in microsoft.analysisservices.adomdclient.dll)

Syntaxe

'Déclaration
Public Function IsDBNull ( _
    ordinal As Integer _
) As Boolean

public bool IsDBNull (
    int ordinal
)

public:
virtual bool IsDBNull (
    int ordinal
) sealed

public final boolean IsDBNull (
    int ordinal
)

public final function IsDBNull (
    ordinal : int
) : boolean

Paramètres

ordinal
The zero-based ordinal position of the column to find.

Valeur de retour

A Boolean containing true if the column is set to null; false otherwise.

Notes

Call this method to check for null column values before calling the typed methods used to retrieve column values (for example, GetByte, GetChar, and so on), to avoid raising an error.

Sécurité des threads

Any public static (Shared in Microsoft Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Plateformes

Plateformes de développement

Pour obtenir la liste des plateformes prises en charge, consultez Configuration matérielle et logicielle requise pour l'installation de SQL Server 2005.

Plateformes cibles