Metodo TraceReader.IsNull
Gets a Boolean value that specifies whether value of the data at the specified column position is null.
Spazio dei nomi Microsoft.SqlServer.Management.Trace
Assembly: Microsoft.SqlServer.ConnectionInfoExtended (in Microsoft.SqlServer.ConnectionInfoExtended.dll)
Sintassi
'Dichiarazione
Public Function IsNull ( _
ordinal As Integer _
) As Boolean
'Utilizzo
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
Parametri
- ordinal
Tipo: System.Int32
An Int32 value that specifies the column position of the data.
Valore restituito
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.
Esempi
Vedere anche
Riferimento
Spazio dei nomi Microsoft.SqlServer.Management.Trace