A grid control is a collection of rows and columns. Columns, generally, contain a particular type of information through out, while rows are used to record different types of information about a particular item.

In FlexGrid, the collection of columns is represented by the GridColumnCollection class which can be accessed through Columns property of the FlexGrid class. This section discusses the various operations that can be performed on columns.

Topic	Content
Basic Operations	Discusses about how to perform basic column operations.
User Interaction	Discusses about operations that can be performed by the end user.
Header	Discusses about how to set column header.
Sizing	Discusses about various aspects of column sizing.
Editors	Discusses about various built-in editors of FlexGrid and operations related to them.