The infiniteScrollingMargin property (number) specifies the active margin of the Scheduler grid (in pixels). When the viewport reaches the margin the Scheduler loads additional date range (specified using infiniteScrollingStepDays property).
50
dp.infiniteScrollingMargin = 20;
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.