public ActionResult EdytujPost(Post post, FormCollection form) { var idBlogu = (int)TempData["BlogPostId"]; if (ModelState.IsValid) { var test = form["TagsIds"]; ObsługaBazyDanych.EdytujPost(post, test); return(RedirectToAction("WyswietlBLog", new { id = idBlogu })); } return(RedirectToAction("WyswietlBLog", new { id = idBlogu })); }