The allowEventOverlap property specifies whether it is possible to drop event at an overlapping position during drag and drop operations (boolean). Applies to time range selecting, event moving, event resizing. This property does not affect existing events.
See also event overlapping.
true
dp.allowEventOverlap = false;
Event calendar/scheduling AJAX components. Available for JavaScript/HTML5/jQuery, ASP.NET, ASP.NET MVC. Build resource booking, project management, time tracking applications, personal and shared event calendars.