Determines the index for a column with the specified key.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
The key comparison is not case-sensitive. If key is null or an empty string, returns -1.
If is called successively, the last returned index will be checked for a key match first, and if there is no match, the search starts at the beginning of the collection.
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.