Convert.DBNull Field

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A constant representing a database column absent of data; that is, database null.

Namespace: System
Assembly: mscorlib (in mscorlib.dll)

Syntax

'Declaration
Public Shared ReadOnly DBNull As Object

public static readonly Object DBNull

The DBNull field is equivalent to DBNull.Value, as the following example shows.

Supported in: 5, 4, 3

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

Supported in: Xbox 360, Windows Phone OS 7.0

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.