selectedColumns Property

A collection of columns that are currently selected in the WebDataGrid. To select a column, use the Add method off of the Collection. To unselect a column, use the Remove method off of the Collection.

Syntax

ASP.NET Ajax Javascript (Specification)
function get_selectedColumns() : GridSelectedColumnCollection

ASP.NET Ajax Javascript (Usage)
var resultVar = instanceOfISelectionBehavior.get_selectedColumns();