EmptyValueCriteria Enumeration

Constants which identify the criteria used to determine whether a value is null or empty.

Syntax

Visual Basic

'Declaration
 
Public Enum EmptyValueCriteria 
   Inherits System.Enum

C#

public enum EmptyValueCriteria : System.Enum 

Members

Member	Description
Default	The actual value is determined at a higher level of the property resolution hierarchy.
Null	Any value that is not equal to null (Nothing in VB) and also not equal to DBNull.Value is considered in fulfillment of the required field condition.
NullOrEmptyString	Any value that is not equal to null (Nothing in VB), and also not equal to DBNull.Value, and also not a string with zero length is considered in fulfillment of the required field condition.
NullOrMinValue	Any value that is not equal to null (Nothing in VB), and also not equal to DBNull.Value, and also not a string with zero length, and also not equal to the static 'MinValue' property for the Type is considered in fulfillment of the required field condition.

Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2