Hi Dan,

Everything worked fine with my DayPilotNavigator(DPN) & DayPilotCalender(DPC) until I decided to change BusinessBeginsHour & BusinessEndsHour programmatically. So here is my scinario. I have DPN & DPC on one page. In DPN I have TimeRangeSelectedHandling="JavaScript" TimeRangeSelectedJavaScript="ChangeWeek(start,end)" . In my javascript function it simply calls "dps.commandCallBack('navigate',{ "start" : start, "end": end });" .

Now in my code behind when this commandCallBack is called I need to change BusinessBeginsHour & BusinessEndsHour depends on events availability.(eg. If in selected week event starts at 7:30 AM, BusinessBeginsHour should be 7). Now when I try to change week on my page, it does not update calender control or any BusinessHourswith new events rather it gets stuck at javascript error. " '$w.colors[...]' is null or not an object URI:http://myproject/WebResource.axd?d=FPJoI......." .

I already tried with rebinding whole DPN & DPC & CallBackUpdateType.Full. but it still gives same error. BTW I have DPC.HeightSpec = HeightSpecEnum.BusinessHoursNoScroll. If I keep BusinessBeginsHour & BusinessEndsHour same hard coded, then everything works fine.

any solution to this? is it bug or know issue? or is this how it suppose to work?

Thanks