Filtering Tasks

Filtration allows you to manage the number and character of tasks rendered in the Gantt chart. For example, you can use filtration to display the tasks assigned to a specific worker or the tasks that have the urgent priority.

Note, dhtmlxGantt supports client-side filtering.

To filter data, use the onBeforeTaskDisplay event and return:

  • true, for a task you want to display
  • false, for a task you want not to display

Displaying only tasks with the high priority

gantt.attachEvent("onBeforeTaskDisplay", function(id, task){
    if (task.priority == "high"){
        return true;
    return false;

Related sample:  Filtering

To filter data of a split task, apply the onBeforeSplitTaskDisplay event.

You can have a look at the video guide that shows how to implement filtering tasks.

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