PictureHelper.PictureViewCounter(PictureHelper.GetSinglePicture(userID,pic), (List<int>)Session["ViewedPictures"], pic);

public static Picture GetSinglePicture(int userID, int picture)
    {
        DBContext db = new DBContext();

        return (from p in db.Pictures
                where userID == p.UserID && picture == p.Url
                select p).First();
    }

public static void PictureViewCounter(Picture picture, List<int> pictureArray, int pictureUrl)
    {
        PetscoveryDBContext db = new PetscoveryDBContext();
        if (pictureArray == null)
        {
            //Automatically +1 picture views
            picture.Views++;
            db.SaveChanges(); //does not save
        }
        else
        {
            int result = pictureArray.Find(pic => pic == pictureUrl);
            //if result == 0 increase picture views by 1
            picture.Views++;
            db.SaveChanges(); //does not save
        }
    }