The timeRangeSelectedCallBack() method fires the TimeRangeSelected event on the server side using a CallBack in ASP.NET WebForms, ASP.NET MVC, and Java.
DayPilot.Month.timeRangeSelectedCallBack(start, end[, data]);start (DayPilot.Date) - start of the time range
end (DayPilot.Date) - end of the time range
data (object) - additional custom data
dp.timeRangeSelectedCallBack(start, end, { source: "api" });