static void Main(string[] args)
        {
            Console.WriteLine("Podaj nazwÄ™ bloga: ");
            String blogName  = Console.ReadLine();
            Blog   firstBlog = new Blog {
                Name = blogName
            };
            BlogContext blogContext = new BlogContext();

            blogContext.Blogs.Add(firstBlog);
            blogContext.SaveChanges();

            printBlogs(blogContext);
            //listBlogsAndPosts(blogContext);
            //listBlogsAndPostsNav(blogContext);
            listBlogsAndPostsNavQuery(blogContext);
            countPosts(blogContext);

            BlogForm form = new BlogForm();

            form.ShowDialog();


            Console.ReadLine();
        }
        static void Main(string[] args)
        {
            Console.WriteLine("Podaj nazwÄ™ bloga: ");
            String blogName = Console.ReadLine();
            Blog firstBlog = new Blog { Name = blogName };
            BlogContext blogContext = new BlogContext();
            blogContext.Blogs.Add(firstBlog);
            blogContext.SaveChanges();

            printBlogs(blogContext);
            //listBlogsAndPosts(blogContext);
            //listBlogsAndPostsNav(blogContext);
            listBlogsAndPostsNavQuery(blogContext);
            countPosts(blogContext);

            BlogForm form = new BlogForm();
            form.ShowDialog();

            Console.ReadLine();
        }