IsDBNull-Methode
Determines whether the value corresponding to the ordinal position is Null. Verweisen Sie nicht direkt im Code auf dieses Element. Unterstützt die SQL Server-Infrastruktur.
Namespace: Microsoft.SqlServer.Management.Sdk.Sfc
Assembly: Microsoft.SqlServer.Management.Sdk.Sfc (in Microsoft.SqlServer.Management.Sdk.Sfc.dll)
Syntax
'Declaration
Public Function IsDBNull ( _
i As Integer _
) As Boolean
'Usage
Dim instance As DataProvider
Dim i As Integer
Dim returnValue As Boolean
returnValue = instance.IsDBNull(i)
public bool IsDBNull(
int i
)
public:
virtual bool IsDBNull(
int i
) sealed
abstract IsDBNull :
i:int -> bool
override IsDBNull :
i:int -> bool
public final function IsDBNull(
i : int
) : boolean
Parameter
- i
Typ: System. . :: . .Int32
The zero-based column ordinal.
Rückgabewert
Typ: System. . :: . .Boolean
true if the specified column value is equivalent to null; otherwise, false.