The eventRightClickCallBack() method executes the server-side EventRightClick handler using an AJAX callback (ASP.NET WebForms, ASP.NET MVC, Java).
DayPilot.Month.eventRightClickCallBack(e[, data]);e (DayPilot.Event) - reference to the event object
data (object) - custom data to be sent to the server-side event handler
dp.eventRightClickCallBack(e, data);