private void VideoRegistrationForm_Load(object sender, EventArgs e)
        {
            this.MinimumSize = this.Size;

            DaoVideo daoVideo = new DaoVideo();
            daoVideo.openConnection(this.GetType(), "sqlErrorHandler");
            daoVideo.createTable(this.GetType(), "sqlErrorHandler");
            daoVideo.closeConnection();

            setMtbDurationMask();
            loadItemsIntoCbbVideoTags();
            loadCategories();
        }