INullable INullable INullable INullable Interface
All the System.Data.SqlTypes objects and structures implement the
public interface class INullable
public interface INullable
type INullable = interface
Public Interface INullable
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.
|IsNull IsNull IsNull IsNull||
Indicates whether a structure is null. This property is read-only.