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IsNull Método

Gets a Boolean value that specifies whether value of the data at the specified column position is null.

Espacio de nombres:  Microsoft.SqlServer.Management.Trace
Ensamblado:  Microsoft.SqlServer.ConnectionInfoExtended (en Microsoft.SqlServer.ConnectionInfoExtended.dll)

Sintaxis

'Declaración
Public Function IsNull ( _
    ordinal As Integer _
) As Boolean
'Uso
Dim instance As TraceReader
Dim ordinal As Integer
Dim returnValue As Boolean

returnValue = instance.IsNull(ordinal)
public bool IsNull(
    int ordinal
)
public:
bool IsNull(
    int ordinal
)
member IsNull : 
        ordinal:int -> bool 
public function IsNull(
    ordinal : int
) : boolean

Parámetros

Valor devuelto

Tipo: System. . :: . .Boolean
A Boolean value that specifies whether value of the data at the specified column is null.
If True, the value is null.
If False, the value is not null.

Ejemplos

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