The commandCallBack() method invokes a Command event on the server side using an AJAX CallBack.
It is useful for sending navigation commands such as next, previous, or jumping to a specific date.
It only applies to ASP.NET WebForms, ASP.NET MVC and Java versions.
DayPilot.Scheduler.commandCallBack(command, data)command (string) - custom command name
data (object) - additional custom data
dp.commandCallBack("next", {});