#region LoginMethod
    bool login = false;
    public async Task GetAccounts()
    {
        MainWin w = new MainWin();

        await Task.Run(() =>

        {
            btn_join.Content = "در حال برسی اکانت شما";
            this.Dispatcher.Invoke(() =>
            {
                using (SqlConnection connection = new SqlConnection(PublicVar.ConnectionString))
                {
                    gymEntities2 database = new gymEntities2();
                    SqlConnection con1 = new SqlConnection(PublicVar.ConnectionString);
                    PublicVar.TodayTime = String.Format("{0:yyyy/MM/dd}", Convert.ToDateTime(TimeNow.Text));
                    con1.Open();


                    SqlCommand Actives = new SqlCommand("Select DISTINCT (LockEndDate) from LockTable Where Username = '" + txt_username.Text + "' and Password = '" + txt_password.Password + "'", con1);
                    object Active = Actives.ExecuteScalar();
                    string SystemActive = Convert.ToString(Active);


                    //   SqlCommand Commandcmds = new SqlCommand("update VW_TimeOut set UserActive = 2 where UserEndDate < '" + String.Format("{0:yyyy/MM/dd}", Convert.ToDateTime(TimeNow.Text)) + "'", con1);
                    //   Commandcmds.ExecuteScalar();


                    SqlCommand Commandcmd = new SqlCommand("SELECT COUNT(*) FROM LockTable Where Username = '" + txt_username.Text + "' and Password = '" + txt_password.Password + "' and LockEndDate between '" + String.Format("{0:yyyy/MM/dd}", Convert.ToDateTime(Lock.Text)) + "' And '" + SystemActive + "'", con1);
                    int userCount = (int)Commandcmd.ExecuteScalar();


                    //Find Gym ID -> To Set Public Value Strings
                    SqlCommand FindGymID = new SqlCommand("Select DISTINCT (LockID) from LockTable Where Username = '" + txt_username.Text + "' and Password = '" + txt_password.Password + "'", con1);
                    object ObGymID = FindGymID.ExecuteScalar();



                    if (userCount > 0)
                    {
                        try
                        {
                            RegistryKey UsernameKey = Registry.CurrentUser.CreateSubKey("SOFTWARE\GYM");





                            if (CheakRem.IsChecked == true)
                                if ((string)UsernameKey.GetValue("UserNameRegister") != "")
                                {
                                    UsernameKey.SetValue("UserNameRegister", txt_username.Text.Trim());
                                    UsernameKey.SetValue("PasswordRegister", Module.Decode.EncryptTextUsingUTF8(txt_password.Password.Trim()));
                                }

                            PublicVar.GymID = Convert.ToString(ObGymID);
                            login = true;

                        }

                        catch
                        {
                            MessageBox.Show("مشکلی در ورود کاربر به وجود آمد");
                            w.Username = null;
                            w.Password = null;
                        }


                    }
                    else
                    {
                        ErrorPage pageerror = new ErrorPage();
                        pageerror.Show();
                        pageerror.Error_Lable.Content = "زمان اکانت شما به پایان رسیده است";
                        con1.Close();
                        w.Username = null;
                        w.Password = null;
                    }
                    con1.Close();


                }

            });


        });


        if (login == true)
        {
            w.Username = txt_username.Text;
            w.Password = txt_password.Password;
            w.Show();
            this.Close();
        }
    }
    #endregion

private async void btn_join_Click(object sender, RoutedEventArgs e)
    {

        await GetAccounts();


    }