| Oracle® Data Provider for .NET Developer's Guide 11g Release 1 (11.1.0.6.20) Part Number E10927-01  | 
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The INullable interface is used to determine whether or not an ODP.NET type has a NULL value.
Declaration
// C# public interface INullable
Thread Safety
All public static methods are thread-safe, although instance methods do not guarantee thread safety.
Requirements
Namespace: Oracle.DataAccess.Types
Assembly: Oracle.DataAccess.dll
Microsoft .NET Framework Version: 1.0 or later
See Also:
INullable members are listed in the following tables.
INullable Interface Properties
INullable interface properties are listed in Table 12-126.
Table 12-126 INullable Interface Properties
| Public Property | Description | 
|---|---|
| 
 | 
 Indicates whether or not the ODP.NET type has a   | 
INullable interface properties are listed in Table 12-126.
Table 12-127 INullable Interface Properties
| Public Property | Description | 
|---|---|
| 
 | 
 Indicates whether or not the ODP.NET type has a   | 
This property indicates whether or not the ODP.NET type has a NULL value.
Declaration
// C#
bool IsNull {get;}
Property Value
Returns true if the ODP.NET type has a NULL value; otherwise, returns false.