public ActionResult SaveCouponActivity(CouponActivity c, List <int> userType, string areaNums) { var loginUser = (UserInfo)ViewBag.User; var areaList = areaNums.Split(',').ToList(); var userList = new List <UserInfo>(); Guid managerId = (Guid)ViewBag.ManagerId; c.CreateTime = DateTime.Now; c.CreateUserId = managerId; c.CreateUserName = loginUser.UserName; string userTypes = ""; userType.ForEach(x => { userTypes += x; userTypes += ","; }); c.UserTypes = userTypes; _active.CreateCouponActivity(c, areaList); Response.Redirect("ShowCouponActivites"); return(View()); }