I'm getting the build error below after downloading trial, un-zipping and opening the demo project
Error 1 Element 'DayPilotVertical' is not a known element. This can occur if there is a compilation error in the Web site. C:\Documents and Settings\Administrator\Desktop\DayPilotProTrial-4.0.1186\Demo\Test\MouseOffset.aspx 4 19 C:\...\Demo\