void m_cmd_chuc_vu_ItemClick(object sender, ItemClickEventArgs e) { try { F110_dm_chuc_vu v_f = new F110_dm_chuc_vu(); if(IsExistFormName(v_f)) return; v_f.MdiParent = this; v_f.Show(); } catch(Exception v_e) { CSystemLog_301.ExceptionHandle(v_e); } }