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To understand how you can work with FlexGrid columns, see the following topics.
Learn how to show the column footer panel in the FlexGrid.
Learn how to implement the column header grouping in FlexGrid.
Learn how to set Save and Load Column layout in a FlexGrid.
Show or Hide Grid Columns on Client-Side
Learn how to hide or show any columns on a button click.
Learn how to add an unbound column in a FlexGrid control.