FullCalendar: Drop an event but can't update this event

I implemented the FullCalendar from http://arshaw.com/fullcalendar/ with ColdFusion. I drop the events from outside to the calendar. This is working well, but i can't update the Event with

$('#calendar').fullCalendar('updateEvent', responseText.NewID);

I need to do this, that I can put the new ID from dem Database o开发者_JAVA技巧n the Event, for other actions like Resize, Drop to other Day or to Delete it.

I could do a Reload from the whole site, but it's not really userfriendly, because the month would be the actually month and not the month I selected before.

My Code looks like this:

drop: function(date, allDay) { // this function is called when something is dropped

    // retrieve the dropped element's stored Event Object
    var originalEventObject = $(this).data('eventObject');

    // we need to copy it, so that multiple events don't have a reference to the same object
    var copiedEventObject = $.extend({}, originalEventObject);

    // assign it the date that was reported
    copiedEventObject.start = date;
    copiedEventObject.allDay = allDay;

    // render the event on the calendar
    // the last `true` argument determines if the event "sticks" (http://arshaw.com/fullcalendar/docs/event_rendering/renderEvent/)
    $('#calendar').fullCalendar('renderEvent', copiedEventObject, true);

    var formdata = "startdatum="+copiedEventObject.start;

    $.ajax({
     url: '<cfoutput>#application.TartalomURL#</cfoutput>mod_Kalender/act_event_ins.cfm',
     data: formdata,
     type: "POST",
     dataType: "json",
     cache: false,
     success: function(responseText){
     $('#calendar').fullCalendar('updateEvent', responseText.NewID);
     }
      }); 
},

Does anyone has an idea what I'm programming wrong?

Please refer to the fullcalendar documentation: arshaw fullcalendar updateEvent

You need the event for using the updateEvent method i.e.:

 $.ajax({
    url: '<cfoutput>#application.TartalomURL#</cfoutput>mod_Kalender/act_event_ins.cfm',
    data: formdata,
    type: "POST",
    dataType: "json",
    cache: false,
    success: function(responseText){
        originalEvent.id = responseText.newid; //use the originating event object and update it
        $('#calendar').fullCalendar('updateEvent', originalEvent);
    }
  }); 

As JavaScript is case-sensitive, should this line:

$('#calendar').fullCalendar('updateEvent', responseText.NewID)

be

$('#calendar').fullCalendar('updateEvent', responseText.newid)