public string UserGroupIsEmpty(string userGroupId)
 {
     using (RRDLEntities db = new RRDLEntities())
     {
         UserGroupService ugs = new UserGroupService(db);
         UserGroup ug = ugs.FindById(Int32.Parse(userGroupId));
         int count = ug.Users.Count;
         if (count == 0)
         {
             return "true";
         }
         else {
             return "false";
         }
     }
 }
 /// <summary>
 /// 传入组id,返回小组信息  ZHAOs 2014年5月23日12:08:56 
 /// </summary>
 /// <param name="groupId"></param>
 /// <returns></returns>
 public ActionResult GetGroupByGroupId(int groupId) {
     RRDLEntities re = new RRDLEntities();
     UserGroupService ugs = new UserGroupService(re);
     re.Configuration.ProxyCreationEnabled = false;
     UserGroup ug = ugs.FindById(groupId);
     return Json(ug);
 }
 public string GetUserById(string userId)
 {
     using (RRDLEntities db = new RRDLEntities())
     {
         UserService us = new UserService();
         User user = us.FindById(userId);
         UserViewModel uvm = new UserViewModel();
         uvm.NickName = user.NickName;
         uvm.RealName = user.RealName;
         uvm.RegisterName = user.RegisterName;
         uvm.Category = getAuthorityCategory(user.AuthorityCategory);
         int ugid = (int)user.ContentGroupId;
         UserGroupService ugs = new UserGroupService();
         UserGroup ug = ugs.FindById(ugid);
         uvm.UserGroup = ug.Title;
         uvm.CreateTime = user.Createtime.ToString();
         int approvedcount = 0;
         int allcount = 0;
         AriticleService ariticleService = new AriticleService();
         Expression<Func<Ariticle, bool>> condition =
                        a => a.Approve.ApproveStatus == EnumAriticleApproveStatus.Approved
                            && a.UserId == user.Id;
         approvedcount = ariticleService.GetAriticleCount(condition);
         condition =
                 a => a.UserId == user.Id;
         allcount = ariticleService.GetAriticleCount(condition);
         uvm.approvedArticleCount = approvedcount;
         uvm.allArticleCount = allcount;
         string result = JsonConvert.SerializeObject(uvm);
         return result;
     }
 }