Gets a value indicating whether a property represents a field that can be null in the underlying data store.
Assembly: System (in System.dll)
Set the property to true when then DataObjectFieldAttribute attribute is applied to a property that represents a field in the underlying data store that can be set to null. The value that represents null in the data store may be different from null in the programming language.
Set the property with one of the DataObjectFieldAttribute constructors.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.