private void update_button_Click(object sender, RoutedEventArgs e) { using (UserEntities db = new UserEntities()) { try { User selected_user = (User)dataGrid1.SelectedItem; int selected_user_id = selected_user.Id; User updating_user = (from u in db.Users where u.Id == selected_user_id select u).First(); updating_user.Name = selected_user.Name; updating_user.LastName = selected_user.LastName; updating_user.FathersName = selected_user.FathersName; updating_user.Age = selected_user.Age; updating_user.Position = selected_user.Position; updating_user.Gender = selected_user.Gender; updating_user.Married = selected_user.Married; db.SaveChanges(); MessageBox.Show($"User {selected_user.Name} was updated"); show_table(); } catch (Exception ex) { MessageBox.Show(ex.ToString()); } } }
public void show_table() { using (UserEntities db = new UserEntities()) { var users = db.Users; dataGrid1.ItemsSource = users.ToList(); } }
private void delete_button_clicked(object sender, RoutedEventArgs e) { using (UserEntities db = new UserEntities()) { try { User selected_user = (User)dataGrid1.SelectedItem; int selected_user_id = selected_user.Id; User removing_user = (from u in db.Users where u.Id == selected_user_id select u).First(); MessageBox.Show($"User {selected_user.Name} was deleted"); db.Users.Remove(removing_user); db.SaveChanges(); show_table(); } catch (Exception ex) { MessageBox.Show(ex.ToString()); } } }
private void insert_button_clicked(object sender, RoutedEventArgs e) { bool married = false; if (Married.IsChecked == true) { married = true; } if (!Regex.IsMatch(Name.Text, @"^[a-zA-Z]+$") || !Regex.IsMatch(LastName.Text, @"^[a-zA-Z]+$") || !Regex.IsMatch(FathersName.Text, @"^[a-zA-Z]+$") || !Regex.IsMatch(Age.Text, @"^[0-9]{2}$")) { MessageBox.Show("Введите корректно ваши данные!"); } else { try { using (UserEntities db = new UserEntities()) { User new_user = new User(); new_user.Name = Name.Text; new_user.LastName = LastName.Text; new_user.FathersName = FathersName.Text; new_user.Age = Convert.ToInt32(Age.Text); new_user.Position = Position.Text; new_user.Gender = Gender.Text; new_user.Married = married; db.Users.Add(new_user); db.SaveChanges(); show_table(); Name.Text = ""; LastName.Text = ""; FathersName.Text = ""; Age.Text = ""; } }catch (Exception ex) { MessageBox.Show(ex.ToString()); } } }