DBNull (System.DBNull)

Inherits: System.Object

Interfaces: IConvertible, ISerializable

Derived Types: 0

Assembly: mscorlib.dll

Represents a null value.

VB.NET C#

C#

public sealed class DBNull : System.IConvertible, System.Runtime.Serialization.ISerializable
{
}

Articles

Unable to cast object of type 'System.DBNull' to type 'System.String ...

Community Server is the platform that powers rich blogging, discussions, and sharing web communities. ...

Mono Documentation

Mono Class Library : System.DBNull Overview | Members System.DBNull.Value Field ... Remarks None. Requirements Namespace: System Assembly: mscorlib (in mscorlib.dll)

Mono Documentation

Remarks. When a SQL query returns null, it is converted to a System.DBNull value, specifically the DBNull.Value instance, which is the only instance of the type ever used.

System.DBNull.Value != null - Peter's Gekko

ALT.NET dotnet .NET C# Agile BizTalk ASP.NET ... Spent the most of easter digging through heaps of sql. So here's another “in-stinker” which almost had me fooled again.

MBR IT/.NET 247 : System.DBNull Class [Articles]

Ask the DotNetJunkies: ASP.NET Server Controls vs. ActiveX Controls - Round 1: DotNetJunkies: How does the web server download the new event driven control to client side in ASP ...

SQL Prompt: Unable to cast object of type 'System.DBNull' to type ...

If SQL Prompt is unable to retrieve the meta-data for a database you could receive the following error:- Unable to cast object of type 'System.DBNull' to type 'System.String ...

DBNull.Value Field (System)

Represents the sole instance of the DBNull class. ... DBNull is a singleton class, which means only this instance of this class can exist.

DBNull Class

Represents a null value. For a list of all members of this type, see DBNull Members . System.Object     System.DBNull [Visual Basic] NotInheritable Public Class ...

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