QWE/Firewatch 2.0/NewPassWindow.xaml.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;

namespace Firewatch_2._0
{
    /// <summary>
    /// Логика взаимодействия для NewPassWindow.xaml
    /// </summary>
    public partial class NewPassWindow : Window
    {
        public NewPassWindow()
        {
            InitializeComponent();
        }

        public void NewPassword_Click(object sender, RoutedEventArgs e)
        {
            NewPass(txtLogin.Text.Trim(), txtNewPassword.Text.Trim());
        }

        public bool NewPass(string login, string password)
        {
            if (string.IsNullOrEmpty(login) || string.IsNullOrEmpty(password))
            {
                MessageBox.Show("Введите логин и пароль");
                return false;
            }

            using (dbData db = new dbData())
            {
                var user = db.StaffISs.Where(u => u.Login == login).FirstOrDefault();

                if (user != null)
                {
                    if (txtLogin.Text == login)
                    {
                        var newPass = db.StaffISs.Where(u => u.Login == login).FirstOrDefault();
                        newPass.Password = txtNewPassword.Text;
                        db.SaveChanges();
                        MessageBox.Show("Вы успешно сменили пароль");
                    }
                    else
                    {
                        MessageBox.Show("Такого пользователя не существует");
                        return false;
                    }
                }
                Close();

                return true;
            }
        }

        private void NewPasswordClose_Click(object sender, RoutedEventArgs e)
        {
            Close();
        }
    }
}