public override string Save_Wallpaper(RewardsDTO adto) { string msg = ""; using (var context = new PHCEntities()) { try { Wallpaper bg = new Wallpaper(); bg.Title = adto.Title; bg.WallImage = adto.WallImage; context.AddToWallpapers(bg); context.SaveChanges(); msg = "success"; } catch (Exception ex) { msg = ex.Message; } return(msg); } }