//取得此母單中所有子單的歷史問題描述及處理說明(倒序)
        public IQueryable<SugProductViewModel> HistoryDescList(int mID)
        {
            List<SugProductViewModel> ret = new List<SugProductViewModel>();

            var qry = db.WBSEventC.Where(x => x.MomCaseID == mID).OrderByDescending(x => x.ChildCaseID);
            int i = qry.Count();
            foreach (WBSEventC c in qry)
            {                
                SugProductViewModel v = new SugProductViewModel();
                SugProductViewModel v2 = new SugProductViewModel();
                v.ClassStr = i.ToString() + "-問題描述";
                if (i < 10)
                    v.ClassStr = "0" + v.ClassStr;
                v.ProductName = c.QuestionDescription;
                ret.Add(v);

                if(c.ServiceReport != null){
                    v2.ClassStr = i.ToString() + "-處理說明";
                    if (i < 10)
                        v2.ClassStr = "0" + v2.ClassStr;
                    v2.ProductName = c.ServiceReport;
                    ret.Add(v2);
                }
                i--;
            }

            return ret.AsQueryable();
        }
        //取得某子單建議/實際零件列表 type=0:建議零件 type=1:實際零件
        public IQueryable<SugProductViewModel> SugProductList(int cid,int type)
        {
            List<SugProductViewModel> ret = new List<SugProductViewModel>();

            var qryS = db.SugProduct.Where(x => x.CID == cid);
            if(type==0)
                qryS = qryS.Where(x => x.Class == 1 || x.Class == 3);
            else if (type == 1)
                qryS = qryS.Where(x => x.Class == 2 || x.Class == 4);
            foreach (SugProduct s in qryS) {
                SugProductViewModel v = new SugProductViewModel();
                v.ID = s.ID.ToString();
                v.Class = s.Class.ToString();
                if (s.Class == 1)
                    v.ClassStr = "建議暫借零件";
                else if (s.Class == 2)
                    v.ClassStr = "實際暫借零件";
                else if (s.Class == 3)
                    v.ClassStr = "建議銷除零件";
                else
                    v.ClassStr = "實際銷除零件";
                if (s.ProductNum == null)
                    v.ProductName = s.ProductName;
                else
                    //v.ProductName = db.ProductData.AsEnumerable().Where(x => x.ProductNum == s.ProductNum).Select(x => x.Name).First();
                    v.ProductName = s.ProductData.Name + " - " + s.ProductData.ProductID;

                ret.Add(v);
            }
            return ret.AsQueryable();
        }