public ActionResult Create(CampaignUpdate campaignupdate)
        {
            if (ModelState.IsValid)
            {
                _db.CampaignUpdates.Add(campaignupdate);
                _db.SaveChanges();
                return RedirectToAction("Index");
            }

            ViewBag.CampaignID = new SelectList(_db.Campaigns, "CampaignID", "Name", campaignupdate.CampaignID);
            ViewBag.UserID = new SelectList(_db.Users, "UserId", "UserName", campaignupdate.UserID);
            return View(campaignupdate);
        }
 partial void DeleteCampaignUpdate(CampaignUpdate instance);
 partial void InsertCampaignUpdate(CampaignUpdate instance);
		private void detach_CampaignUpdates(CampaignUpdate entity)
		{
			this.SendPropertyChanging();
			entity.Campaign = null;
		}
 public ActionResult Edit(CampaignUpdate campaignupdate)
 {
     if (ModelState.IsValid)
     {
         _db.Entry(campaignupdate).State = EntityState.Modified;
         _db.SaveChanges();
         return RedirectToAction("Index");
     }
     ViewBag.CampaignID = new SelectList(_db.Campaigns, "CampaignID", "Name", campaignupdate.CampaignID);
     ViewBag.UserID = new SelectList(_db.Users, "UserId", "UserName", campaignupdate.UserID);
     return View(campaignupdate);
 }