Assembly: System.Data (in system.data.dll)
The zero-based column ordinal.
Return ValueThe value of the specified column as a single-precision floating-point number.
Conversions are performed based on the underlying capabilities of the ODBC driver. If the conversion is not supported then the method call will fail.
Call IsDBNull to look for null values before calling this method.
Windows 98, Windows 2000 SP4, Windows Millennium Edition, 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.