NGWS SDK Documentation  

This is preliminary documentation and subject to change.
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DBNull Class

Represents a null value.

Object
   DBNull

[Visual Basic]
NotInheritable Public Class DBNull
   Implements ISerializable, IConvertible
[C#]
public sealed class DBNull : ISerializable, IConvertible
[C++]
public __gc __sealed class DBNull : public ISerializable,
   IConvertible
[JScript]
public class DBNull implements ISerializable, IConvertible

Remarks

This class is used to indicate that a parameter is missing or nonexistent. DBNull is never equal to anything. It is used in DBNull for default arguments.

DBNull is a singleton class, which means only one instance of this class can exist.

Requirements

Namespace: System

Assembly: mscorlib.dll

See Also

DBNull Members | System Namespace