private void SavePicData(string pics, int styleid, string identityid)
 {
     string[] strs = pics.Split(' ');
     for (int i = 0; i < strs.Length - 1; i++)
     {
         T_StyleFurniturePics sfpics = new T_StyleFurniturePics();
         sfpics.FurniturePics = strs[i];
         sfpics.StyleId       = styleid;
         sfpics.IdentityId    = identityid;
         sfpics.CreateTime    = DateTime.Now;
         db.T_StyleFurniturePics.Add(sfpics);
         db.SaveChanges();
     }
 }
        private void SavePicDataByUpdate(string pics, int styleid, string identityid)
        {
            List <T_StyleFurniturePics> list = db.T_StyleFurniturePics.Where(o => o.IdentityId == identityid).ToList();

            db.T_StyleFurniturePics.RemoveRange(list);
            db.SaveChanges();
            string[] strs = pics.Split(' ');
            for (int i = 0; i < strs.Length - 1; i++)
            {
                T_StyleFurniturePics sfpics = new T_StyleFurniturePics();
                sfpics.FurniturePics = strs[i];
                sfpics.StyleId       = styleid;
                sfpics.IdentityId    = identityid;
                sfpics.CreateTime    = DateTime.Now;
                db.T_StyleFurniturePics.Add(sfpics);
                db.SaveChanges();
            }
        }