private void barButtonItem1_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            Class.DanhMuc_TruongDaoTao dm = new Class.DanhMuc_TruongDaoTao();
            dm.SchoolCode  = txtCode.Text;
            dm.SchoolName  = txtName.Text;
            dm.Description = txtDescription.Text;
            dm.Active      = checkActive.Checked;
            if (txtCode.Enabled == true)
            {
                if (dm.Insert())
                {
                    Class.App.SaveSuccessfully();
                    LoadTruongDaoTao();
                }
                else
                {
                    Class.App.SaveNotSuccessfully();
                }
            }

            else
            {
                if (dm.Update())
                {
                    Class.App.SaveSuccessfully();
                    LoadTruongDaoTao();
                }
                else
                {
                    Class.App.SaveNotSuccessfully();
                }
            }
        }
        private string LayCode()
        {
            string code = null;

            Class.DanhMuc_TruongDaoTao dm = new Class.DanhMuc_TruongDaoTao();
            code = dm.GetNewCode();

            return(code);
        }
 private void LoadTruongDaoTao()
 {
     Class.DanhMuc_TruongDaoTao dmtdt = new Class.DanhMuc_TruongDaoTao();
     gridControl1.DataSource = dmtdt.GetAllList_SCHOOL();
 }