DataAccessLayer.DataBase.CreatePost C# (CSharp) Method

        public bool CreatePost(Post post)
        {
            string queryString =
                "INSERT INTO [dbo].posts ([dbo].posts.postid, postname, source, createdtime, mimetype, accountid, text, rating) " +
                "VALUES (@postid, @postname, @source, @createdtime, @mimetype, @accountid, @text, @rating); " +
                "INSERT INTO tags ([dbo].tags.postid, tag) " +
                "VALUES(@postid, @tag)";

            using (SqlConnection connection = new SqlConnection(_connectionString))
            {
                var command = new SqlCommand(queryString, connection);
                command.Parameters.AddWithValue("postid", post.PostId);
                command.Parameters.AddWithValue("postname", post.NamePost);
                command.Parameters.AddWithValue("source", post.Image);
                command.Parameters.AddWithValue("createdtime", post.CreatedTime);
                command.Parameters.AddWithValue("mimetype", post.MimeType);
                command.Parameters.AddWithValue("accountid", post.AccountId);
                command.Parameters.AddWithValue("text", post.Text);
                command.Parameters.AddWithValue("rating", post.Rating);
                command.Parameters.AddWithValue("tag", post.tmp);

                try
                {
                    connection.Open();
                    command.ExecuteNonQuery();
                }
                catch (Exception e)
                {
                    var stack = e.StackTrace;
                    throw new Exception();
                }
            }

            return true;
        }