public Zamestnanci()
        {
            InitializeComponent();

            this.Enabled = false;
            LoadingScreen loadSC = new LoadingScreen();
            loadSC.Show();

            //Otevře spojení mezi DB a aplikací
            Thread t = new Thread(loadDB);
            t.Start();

            loadSC.Close();
            this.Enabled = true;
        }

        public void loadDB()
        {
            conn.ConnectionString = @"Data Source=192.168.194.7;Initial Catalog=evidence;Integrated Security=True";

            conn.Open();

            //Načte všechny data z database
            ShowDataInGrid();
        }