private void Accept_Click(object sender, EventArgs e)
 {
     nuser           = LOGINTXT.Text;
     ErrorLOGIN.Text = "";
     try
     {
         MySqlConnection connection = new MySqlConnection(Connection());
         StringBuilder   Command    = new StringBuilder();
         Command.Append("SELECT Empleado FROM `departaments-cca`.allowed where ID = '" + LOGINTXT.Text + "';");
         MySqlCommand CMD = new MySqlCommand(Command.ToString(), connection);
         connection.Close();
         connection.Open();
         MySqlDataReader USER = CMD.ExecuteReader();
         while (USER.Read())
         {
             USERLbl.Text = USER[0].ToString();
             GETUSER      = USERLbl.Text;
         }
         if (USERLbl.Text != "UserName")
         {
             if (Paper == "Voucher")
             {
                 Voucher TK = new Voucher();
                 AcceptLOGIN.Visible = false;
                 LOGIN.Visible       = false;
                 LOGINTXT.Visible    = false;
                 LOGO.Visible        = false;
                 MiddlePanel.Controls.Add(TK);
                 TK.Dock            = DockStyle.Fill;
                 StartTime.Interval = 1;
                 StartTime.Start();
                 TK.Show();
                 CUPONESBtn.Image = Properties.Resources.icons8_voucher_50px_1;
             }
             else
             {
                 Tiquet TK = new Tiquet();
                 AcceptLOGIN.Visible = false;
                 LOGIN.Visible       = false;
                 LOGINTXT.Visible    = false;
                 LOGO.Visible        = false;
                 MiddlePanel.Controls.Add(TK);
                 TK.Dock            = DockStyle.Fill;
                 StartTime.Interval = 1;
                 StartTime.Start();
                 TK.Show();
                 TIQUETBtn.Image = Properties.Resources.icons8_purchase_order_50px_1;
             }
         }
         else
         {
             ErrorLOGIN.Text = "Usuari no trobat";
         }
     }
     catch (Exception ex)
     {
         nuser           = string.Empty;
         ErrorLOGIN.Text = "Usuari no trobat";
     }
 }
 private void TIQUETBtn_Click(object sender, EventArgs e)
 {
     CUPONESBtn.Image = Properties.Resources.icons8_voucher_50px;
     if (USERLbl.Text == "UserName")
     {
         Paper = "Tiquet";
         AcceptLOGIN.Visible = true;
         LOGIN.Visible       = true;
         LOGINTXT.Visible    = true;
         LOGO.Visible        = true;
         LOGINTXT.Focus();
     }
     else
     {
         MiddlePanel.Controls.Clear();
         Tiquet TK = new Tiquet();
         MiddlePanel.Controls.Add(TK);
         TK.Dock            = DockStyle.Fill;
         StartTime.Interval = 1;
         StartTime.Start();
         TK.Show();
         TIQUETBtn.Image = Properties.Resources.icons8_purchase_order_50px_1;
     }
 }