private void m_cmd_tinh_phep_tieu_chuan_ItemClick(object sender, ItemClickEventArgs e) { try { f396_tinh_phep_tieu_chuan v_f = new f396_tinh_phep_tieu_chuan(); if(IsExistFormName(v_f)) return; v_f.MdiParent = this; v_f.Show(); } catch(Exception v_e) { CSystemLog_301.ExceptionHandle(v_e); } }