private void btnLogin_Click(object sender, RoutedEventArgs e)
        {
            AppUser appUser = generalOperation.GetLoginUser(tbxUserName.Text, tbxPasswordName.Password);

            if (appUser == null)
            {
                MessageBox.Show("Kullanıcı Adı Veya Şifre Hatalı");
            }
            else
            {
                StaticUser.SetUser(appUser);
                Home home = new Home();
                home.Show();
                this.Close();
            }
            CleanProperty();
        }