protected void btnBook_Click(object sender, EventArgs e)
 {
     if (Convert.ToInt32(Session["Status"]) == 0)
     {
         Response.Redirect("SignUp.aspx");
     }
     else
     {
         int id = Convert.ToInt32(txtbook.Text);
         Session["JourneyID"] = Convert.ToInt32(txtbook.Text);
         var res = b.CheckId(id);
         if (res == false)
         {
             Response.Write("Invalid Journey ID");
         }
         else
         {
             //Response.Write("hello");
             Response.Redirect("Ticket.aspx");
         }
     }
 }