ios - Updating a Table View From a Different File - Cannot invoke 'reloadData' with no arguments -

i trying refresh table view different file. i've been trying use .reloaddata(), doesn't seem working.

here code...

@ibaction func addbuttonpressed(sender: anyobject) {     // alert     func showaddalert() {          print("show add alert user")          //create new alert         let addalert = uialertcontroller(title: "add company", message: addalertmessage, preferredstyle: uialertcontrollerstyle.alert)          //create actions alert         let yesalert = uialertaction(title: "yes", style: uialertactionstyle.default, handler: { (action: uialertaction!) in             portfolio1.append(self.newcompany)             print("user added company")             print(portfolio1)             stocktableviewcontroller.tableview.reloaddata() // cannot invoke 'reloaddata' no arguments         })          let noalert = uialertaction(title: "cancel", style: uialertactionstyle.cancel, handler: { (action: uialertaction!) in             print("user canceled action")             self.counter++         })          //add actions alert         addalert.addaction(noalert)         addalert.addaction(yesalert)          //present user         self.presentviewcontroller(addalert, animated: true, completion: nil)     }      // present alert     showaddalert() } 

and here files...

appdelegate.swift stocktableviewcontroller.swift graphviewcontrollerviewcontroller.swift // - (where code from) main.storyboard 

thanks.

what should instead implement local notifcations or kvo tableview knows when needs reloaded, , reload within proper file according when notification received.