The eventResizeHandling property (string) specifies how the onEventResize event will be handled by the JavaScript Scheduler component.
"Disabled" - event resizing is not allowed
"Update" - updates the event position on the client side
"PostBack" - fires EventMove using PostBack (ASP.NET WebForms)
"CallBack" - fires EventMove using CallBack (ASP.NET WebForms, ASP.NET MVC, Java)
"JavaScript" - api=1, fires onEventResize()
"Notify" - updates the event position on the client side, fires EventResize event (ASP.NET WebForms, ASP.NET MVC, Java)
"Update"Scheduler config:
{
eventResizeHandling: "Disabled",
// ...
}