private static void CreateNewEntryInDB()
 {
     var db = new BlogDB();
     var post = new Posts()
     {
         Title = "New Title",
         Body = "New Post Body",
         Date = DateTime.Now
     };
     db.Posts.Add(post);
     db.SaveChanges();
 }
 private static void CascadingInsert()
 {
     var db = new BlogDB();
     var post = new Posts()
     {
         Title = "New Post Title",
         Date = DateTime.Now,
         Body = "This post have comments and tags",
         Users = db.Users.First(),
         Comments = new Comments[]
         {
             new Comments() { Text = "Comment 1", Date=DateTime.Now },
             new Comments() { Text = "Comment 2", Date=DateTime.Now,
             Users = db.Users.First()} },
         Tags = db.Tags.Take(3).ToList()
     };
     db.Posts.Add(post);
     db.SaveChanges();
 }