Gets the value of the specified column as a 64-bit signed integer.
public override long GetInt64(
The zero-based column ordinal.
The specified cast is not valid.
No conversions are performed; therefore, the data retrieved must already be a 64-bit signed integer.
Call IsDBNull to look for null values before calling this method.
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.