private void btn_showaddwindow_Click(object sender, RoutedEventArgs e)
 {
     tb_login.Text = "";
     tb_pass.Text  = "";
     tb_name.Text  = "";
     ContentAddUser.ShowAsync();
 }
 private void btn_add_add_Click(object sender, RoutedEventArgs e)
 {
     ContentAddUser.Hide();
     if (tb_login.Text != "")
     {
         try
         {
             using RegistrantCoreContext ef = new RegistrantCoreContext();
             User user = new User
             {
                 Name     = tb_name.Text,
                 Login    = tb_login.Text,
                 Password = tb_pass.Text
             };
             user.LevelAccess = cb_access.SelectedIndex switch
             {
                 0 => "kpp",
                 1 => "reader",
                 2 => "warehouse",
                 3 => "shipment",
                 4 => "admin",
                 _ => user.LevelAccess
             };
             ef.Add(user);
             ef.SaveChanges();
             LoadUser();
         }
         catch (Exception ex)
         {
             ((MainWindow)Application.Current.MainWindow).ContentErrorText.ShowAsync();
             ((MainWindow)Application.Current.MainWindow).text_debuger.Text = ex.ToString();
         }
         ContentSave.ShowAsync();
     }
 }
 private void btn_add_add_Click(object sender, RoutedEventArgs e)
 {
     ContentAddUser.Hide();
     if (tb_login.Text != "")
     {
         try
         {
             using (DB.RegistrantCoreContext ef = new DB.RegistrantCoreContext())
             {
                 DB.User user = new DB.User();
                 user.Name     = tb_name.Text;
                 user.Login    = tb_login.Text;
                 user.Password = tb_pass.Text;
                 if (cb_access.SelectedIndex == 0)
                 {
                     user.LevelAccess = "kpp";
                 }
                 else if (cb_access.SelectedIndex == 1)
                 {
                     user.LevelAccess = "reader";
                 }
                 else if (cb_access.SelectedIndex == 2)
                 {
                     user.LevelAccess = "warehouse";
                 }
                 else if (cb_access.SelectedIndex == 3)
                 {
                     user.LevelAccess = "shipment";
                 }
                 else if (cb_access.SelectedIndex == 4)
                 {
                     user.LevelAccess = "admin";
                 }
                 ef.Add(user);
                 ef.SaveChanges();
                 LoadUser();
             }
         }
         catch (Exception ex)
         {
             ((MainWindow)System.Windows.Application.Current.MainWindow).ContentErrorText.ShowAsync();
             ((MainWindow)System.Windows.Application.Current.MainWindow).text_debuger.Text = ex.ToString();
         }
         ContentSave.ShowAsync();
     }
 }
 private void btn_add_close_Click(object sender, RoutedEventArgs e)
 {
     ContentAddUser.Hide();
 }