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();
}