KursachMukha/KursachMukha692gr/RegistrationTEST.xaml.cs

using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
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 KursachMukha692gr
{
    /// <summary>
    /// Логика взаимодействия для RegistrationTEST.xaml
    /// </summary>
    public partial class RegistrationTEST : Window
    {
        public RegistrationTEST()
        {
            InitializeComponent();
        }

        public bool Reg(string log, string pas)
        {
            if (string.IsNullOrEmpty(log) || string.IsNullOrEmpty(pas))
            {
                return false;
            }
            using (var db = new KURSACH1Entities2())
            {
                var uch = db.infoadmins
                    .AsNoTracking()
                    .FirstOrDefault(item => item.loginAdmin == Login.Text && item.passAdmin == pass1.Password);
                if (uch == null)
                {
                    return false;
                }
                return true;
            }
        }
        private void Button_Click(object sender, RoutedEventArgs e)
        {
            if (Login.Text.Length > 0)
            {
                if (pass1.Password.Length > 0)
                {
                    DataTable dt_infoadmins = Select("select * from [dbo].[infoadmin] where [loginAdmin] = '" + Login.Text + "' and [passAdmin] = '" + pass1.Password + "'");
                    if (dt_infoadmins.Rows.Count > 0)
                    {

                        MessageBox.Show("Авторизация пройдена успешно");
                        KabinetAdmina kabinetAdmina = new KabinetAdmina();
                        kabinetAdmina.Show();
                        Close();
                    }
                    else
                    {

                        MessageBox.Show("Пользователь не найден");
                    }
                }
                else
                {

                    MessageBox.Show("Введите пароль");

                }
            }
            else
            {

                MessageBox.Show("Введите логин");

            }
        }
        public DataTable Select(string selectSQL)
        {
            DataTable dataTable = new DataTable("dataBase");
            SqlConnection sqlConnection = new SqlConnection("server=WIN-2CL665KE0ED; Trusted_Connection=YES;DataBase=KURSACH1;");
            sqlConnection.Open();
            SqlCommand sqlCommand = sqlConnection.CreateCommand();
            sqlCommand.CommandText = selectSQL;
            SqlDataAdapter sqlDataAdapter = new SqlDataAdapter(sqlCommand);
            sqlDataAdapter.Fill(dataTable);
            sqlConnection.Close();
            return dataTable;
        }

    }
}