using System; using System.Collections.Generic; using System.Data; using System.Data.SqlClient; using System.Linq; using System.Threading.Tasks; using System.Windows.Forms; namespace Демо { static class Program { public static Form mainf { get; set; } /// /// Главная точка входа для приложения. /// [STAThread] static void Main() { Application.EnableVisualStyles(); Application.SetCompatibleTextRenderingDefault(false); mainf = new Авторизация(); while (mainf != null) { Application.Run(mainf); } Application.Exit(); } public static void conn(out SqlConnection cn) { string ConnStr = "Data Source=(local);Initial Catalog=\"Школа языков\";Integrated Security=True"; cn = new SqlConnection(ConnStr); cn.Open(); } internal static class Role { public static string email { get; set; } public static int id { get; set; } public static DataTable table { get; set; } } } }