Resize and drag nor working if OnIncludeCell event is used Answered: This seems to be the same issue as https://forums.daypilot.org/question/5371/resize-and-drag-not-working-if-shownonbusiness-is-set-to-fa bugasp.netonincludecelloneventresizedoneventmoved
OnEventResized Answered: In ASP.NET WebForms, only one event handler is fired for every event. You can specify it using EventResizeHandling. It can be "JavaScript", "CallBack", "PostBack", "Notify", etc. onEventResized is on... how-toasp.netoneventresized