jqGrid 展開 subGrid by other columns

ondblClickRow: function (rowid, iRow, iCol, e) {
    alert("rowid: " + rowid + ", iRow: " + iRow + ", iCol: " + iCol);
    if (iCol == 2) {
        $(this).jqGrid("toggleSubGridRow", rowid);
    }
},
onCellSelect: function (rowid, iCol, cellcontent, e) {
    alert("rowid: " + rowid + ", iCol: " + iCol + ", cellcontent" + cellcontent);
    if (iCol == 2) {
        $(this).jqGrid("toggleSubGridRow", rowid);
    }
},