TreeListBase.DataRequest

Syntax

DataRequest: function(sender, args);

Parameters

sender. Event source.

args. Event information:

Partial. Boolean. Partial loading indicator.
Parent. String. Key of the node, to which loading is executed.
Request. Array. Array of loaded nodes.

Description

The DataRequest event occurs before changing sorting.

Example

Executing the example requires the SimpleTreeList component with the Tree identifier (see Example of Creating the SimpleTreeList Component).

// Set event
Tree.DataRequest.add( function(sender, args) {
  console.log("DataRequest event:");
  console.log(args);
});
// Initialize event
Tree.requestData([0], 0);

After executing the example the DataRequest event is added.