protected void convertPhoto(DbPhoto p, PhotoDesc pp) { pp.Id = p.Id; pp.Name = p.Name; pp.DataBytes = p.DataBytes; pp.IsModified = false; }
public Tuple<PhotoDesc, Exception> MaintainsPhoto(PhotoDesc oPhoto) { if (oPhoto == null) { return new Tuple<PhotoDesc, Exception>(null, new ArgumentNullException()); } if (!oPhoto.IsWriteable) { return new Tuple<PhotoDesc, Exception>(null, new ArgumentException()); } PhotoDesc pRet = null; Exception err = null; try { using (var ctx = getContext()) { DbPhoto p = findPhoto(ctx, oPhoto); if (p != null) { p.Name = oPhoto.Name; p.DataBytes = oPhoto.DataBytes; ctx.SaveChanges(); } else { p = new DbPhoto(); p.Id = nextId(ctx, TAB_PHOTO); p.Name = oPhoto.Name; p.DataBytes = oPhoto.DataBytes; ctx.DbPhotoes.Add(p); ctx.SaveChanges(); } pRet = new PhotoDesc(); convertPhoto(p, pRet); }// ctd } catch (Exception ex) { err = ex; } return new Tuple<PhotoDesc, Exception>(pRet, err); }