public ActionResult _RemoveProgramUser(string programUserId)
        {
            using (var programUserProvider = new ProgramUserProvider())
            {
                var programUser = programUserProvider.Get(programUserId);
                programUserProvider.Delete(programUserId);

                AlertMessage = string.Format("You have successfully removed a program user.");
                AlertMessageType = AlertMessageTypes.Success;

                return Redirect("/Programs/Edit/" + programUser.ProgramId);
            }
        }
        public ActionResult Leave(string programUserId, string programId)
        {
            using (var provider = new ProgramUserProvider())
            {
                provider.Delete(programUserId);

                AlertMessage = "<strong>Sorry to see you go!</strong> You have successfully left this program.  If you have any questions, please contact the program administrator or sponsor.";
                AlertMessageType = AlertMessageTypes.Failure;

                return Redirect("/Site/ViewProgram/" + programId);
            }
        }