onAjaxError

fires if the server returns an error

request

object

XML HTTP request object

boolean

defines whether the default action of the event will be triggered (true) or canceled (false)

Example

gantt.attachEvent("onAjaxError", function(request){
    gantt.message({type: "error", text:`Http error ${request.status}!`})
    gantt.message(request.response)
    return true;
});

Related samples

The event is blockable. Returning false will stop further processing of the AJAX request

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