public ActionResult ManageHouseholdUsers(List <int> households, string HeadOfHouseholdId)
 {
     //Remove users from selected projects
     if (households != null)
     {
         foreach (var householdId in households)
         {
             foreach (var user in helper.UsersOnHousehold(householdId).ToList())
             {
                 helper.RemoveUserFromHousehold(user.Id, householdId);
             }
             if (!string.IsNullOrEmpty(HeadOfHouseholdId))
             {
                 helper.AddUserToHousehold(HeadOfHouseholdId, householdId);
             }
         }
     }
     return(RedirectToAction("ManageHouseholdUsers"));
 }