public ActionResult ChangePassword(string oldPassword, string newPassword, string repeatNewPassword)
 {
     if (newPassword == repeatNewPassword)
     {
         if (mDB.UpdatePassword((int)Session["id"], newPassword) == true)
         {
             Session["error"] = "Sėkmingai paskeistas slaptažodis";
         }
         else
         {
             Session["error"] = "Klaidą pakeičiant slaptažodį";
         }
     }
     else
     {
         Session["error"] = "Skiriasi įvesti slaptazodziai";
     }
     return(RedirectToAction("Settings"));
 }