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add Method

Adds a grouped column with the specified column key to the collection.
Syntax
ASP.NET Ajax Javascript (Specification) 
function add( 
   columnKey : String,
   sortingDirection : GroupingSortDirection
) : (Any);
ASP.NET Ajax Javascript (Usage) 
var resultVar = instanceOfGroupedColumnsCollection.add(String,GroupingSortDirection);

Parameters

columnKey
The column key of the grouped column which to add.
sortingDirection
Sorting direction
See Also