Note: This property is new in the .NET Framework version 2.0.
Gets the number of fields in the DbDataReader that are not hidden.
Namespace: System.Data.Common Assembly: System.Data (in system.data.dll)
This value is used to determine how many fields in the DbDataReader are visible. For example, a SELECT on a partial primary key returns the remaining parts of the key as hidden fields. The hidden fields are always appended behind the visible fields.
Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.