void m_cmd_quan_ly_quy_tnk_ItemClick(object sender, ItemClickEventArgs e) { try { f353_quan_ly_quy_tien v_frm = new f353_quan_ly_quy_tien(); if(IsExistFormName(v_frm)) return; v_frm.MdiParent = this; v_frm.Show(); } catch(Exception v_e) { CSystemLog_301.ExceptionHandle(v_e); } }