INullable Interface
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
All the System.Data.SqlTypes objects and structures implement the INullable
interface.
public interface class INullable
public interface INullable
type INullable = interface
Public Interface INullable
- Derived
Remarks
SqlTypes
can contain the value null and use database semantics for evaluating nulls. Nulls are used in a database to indicate an unknown or missing value.
Properties
IsNull |
Indicates whether a structure is null. This property is read-only. |
Applies to
See also
Sodelujte z nami v storitvi GitHub
Vir za to vsebino najdete v storitvi GitHub, kjer lahko tudi ustvarite in pregledate težave in zahtevke za uveljavitev sprememb. Če želite več informacij, glejte naš vodnik za sodelavce.