public ActionResult Register(RegisterModel model) { var re = string.Empty; if (ModelState.IsValid) { if (!MyService.UserExist(model.UserName.Trim())) { var user = new UserInfoModel { UserName = model.UserName.Trim(), UserPwd = FormsAuthentication.HashPasswordForStoringInConfigFile(model.Password, "md5"), RoleId = GetRoleId(model.UserName) }; MyService.AddUser(user); Session.Add("user", MyService.UserExist(user.UserName, user.UserPwd)); } else { re = res.Register_UsernameExists; } } else { re = res.SysError; } return(Content(re, "text/html;charset=UTF-8")); }