@IBAction func nextAuthorization(_ sender: Any) {
        if (LoginField.text=="" || PasswordField.text==""){
            LabelForError.text="Не заполнены данные"
        }else{
            let login=LoginField.text
            let password=PasswordField.text
            let url2=URL(string:"https:!+"&pass="+password!)
            let config = URLSessionConfiguration.default
            let userPasswordString = "user:239"
            let userPasswordData = userPasswordString.data(using: String.Encoding.utf8)
            let base64EncodedCredential = userPasswordData!
            let authString = "Basic \(base64EncodedCredential)"
            config.httpAdditionalHeaders = ["Authorization" : authString]
            let session = URLSession(configuration: config)

            var running = false

            let task = session.dataTask(with: url2!){
                ( data, response, error) in
               // if let httpResponse = response as? HTTPURLResponse {
                    let dataString = NSString(data: data!, encoding: String.Encoding.utf8.rawValue)
                    //print(dataString)
                    self.dataStringJSon=dataString as String?
               // }
                running = false
            }


            running = true
            task.resume()

            while running {
                print("waiting...")
                sleep(1)
            }


            if(myString!="User not found"){
                  let storyboard = UIStoryboard(name: "Main", bundle: nil);
                let vc = storyboard.instantiateViewController(withIdentifier: "MySecondSecreen") as! UIViewController; // MySecondSecreen the storyboard ID
                self.present(vc, animated: true, completion: nil);
            }
        }


    }