SqlCeUpdatableRecord.IsDBNull-Methode
Bestimmt, ob das angegebene Feld NULL ist.
Namespace: System.Data.SqlServerCe
Assembly: System.Data.SqlServerCe (in System.Data.SqlServerCe.dll)
Syntax
'Declaration
Public Function IsDBNull ( _
ordinal As Integer _
) As Boolean
'Usage
Dim instance As SqlCeUpdatableRecord
Dim ordinal As Integer
Dim returnValue As Boolean
returnValue = instance.IsDBNull(ordinal)
public bool IsDBNull(
int ordinal
)
public:
virtual bool IsDBNull(
int ordinal
) sealed
abstract IsDBNull :
ordinal:int -> bool
override IsDBNull :
ordinal:int -> bool
public final function IsDBNull(
ordinal : int
) : boolean
Parameter
- ordinal
Typ: System.Int32
Das zu überprüfende Feld.
Rückgabewert
Typ: System.Boolean
"True", wenn das Feld NULL ist, andernfalls "false".