The eventResizeNotify() method executes the server-side EventResize handler using a notify callback (ASP.NET WebForms, ASP.NET MVC, Java).
DayPilot.Month.eventResizeNotify(e, newStart, newEnd[, data]);e (DayPilot.Event) - reference to the event object
newStart (DayPilot.Date) - new event start
newEnd (DayPilot.Date) - new event end
newResource (string) - new resource id
data (object) - custom data to be sent to the server-side event handler
dp.eventResizeNotify(e, newStart, newEnd);