lijiahe said:

If there are some break time between WorkDayStartTime and WorkDayEndTime, how to set and display ?

WebDayView treats the time between WorkDayStartTime and WorkDayEndTime as contiguous, so the control does not support having non-working time breaks within that working time period.

If you would like to see the ability to include non-working time intervals between the WorkingDayStartTime and WorkingDayEndTime, please let us know by requesting a feature at:
http://devcenter.infragistics.com/Protected/RequestFeature.aspx

Thanks,