easyUI行删除

function removeRow(target,number) {
        if (number) {
            var index = getRowIndex(target);
            $datagrid.datagrid("deleteRow", index);
            numberList.remove(number);
        }
    }

    function getRowIndex(target) {
        var tr = $(target).closest('tr.datagrid-row');
        debugger;
        return parseInt(tr.attr('datagrid-row-index'));
    }

<th data-options="field:'operator',hidden:false,width:40, formatter:operator">操作</th>

 function operator(val, row, index) {
        //从数组中删除
        return '<a class="l-btn l-btn-small" onclick="removeRow( this '+',\'' + row.number + '\')">删除</a>';
    }

onclick="removeRow( this '+',\'' + row.number + '\')如果用成onclick="removeRow('+index+',\'' + row.number + '\'）会导致函数中的index不更新，导致删除出现问题。