AdomdDataReader.IsDBNull Method

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

Espacio de nombres: Microsoft.AnalysisServices.AdomdClient
Ensamblado: Microsoft.AnalysisServices.AdomdClient (in microsoft.analysisservices.adomdclient.dll)

Sintaxis

'Declaración
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

Parámetros

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

Valor devuelto

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

Notas

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.

Seguridad para subprocesos

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.

Plataformas

Plataformas de desarrollo

Para obtener una lista de las plataformas compatibles, vea Requisitos de hardware y software para instalar SQL Server 2005.

Plataformas de destino