jquery 隐藏最后几列

    

        var lastTdIndex = $("#processForm_DataGrid1 tr td:last")[0].cellIndex;
        var headerTdLastIndex = $("#processForm_DataGrid1 tr[class=DgHeader]:eq(0) td:last")[0].cellIndex;
        $("#processForm_DataGrid1 tr[class=DgHeader]:eq(0), #tbGridHead tr[class=DgHeader]:eq(0)").find("td:gt(" + (headerTdLastIndex - 4) + ")").hide();
        $("#processForm_DataGrid1 tr:gt(1)").find("td:gt(" + (lastTdIndex - 5) + ")").hide();