The event calendar lets you define your own action for column header click user action.

See also column header active areas for a more flexible way of adding column actions.

JavaScript

Column header click event is enabled by default.

The default action can be set using headerClickHandling property.

dp.onHeaderClick = function(args) {
  console.log("Column clicked", args.header.start, args.header.name);
};

See also

ASP.NET WebForms

The column header click event is disabled by default. You can enable it using HeaderClickHandling property.

ASPX

<DayPilot:DayPilotCalendar
  ID="DayPilotCalendar1"
  ...
  HeaderClickHandling="CallBack"
  OnHeaderClick="DayPilotCalendar1_HeaderClick"
 />

C#

protected void DayPilotCalendar1_HeaderClick(object sender, HeaderClickEventArgs e)
{
  DayPilotCalendar1.ViewType = ViewTypeEnum.Day;
  DayPilotCalendar1.StartDate = e.Date;

  // load events
  // ...

  DayPilotCalendar1.DataBind();
  DayPilotCalendar1.Update();
}