列表显示修改放在上面

        function OpenUpdateWindown() {
            var htmlControl ; //html控件对象
            var selectedCount = 0; //选择的行数，修改只能选择一行
            var objectID; //要修改对象的ID
            for (i = 0; i < document.all.length; i++) {
                // datagrid将生成层次名+id作为客户端id
                htmlControl = document.all(i);
                if (htmlControl.id.indexOf("chxDelete") != -1) {
                    if (htmlControl.checked) {
                        objectID = htmlControl.parentNode.title;
                        selectedCount++
                    }
                }
            }
            if (selectedCount > 1)//当选择行有多条时，给出提示只能选择一行修改
            {
                alert('只能选择一行修改！');
            }
            else if (selectedCount == 1) {
            window.open('CustomerBankAccountsAdd.aspx?CustomerBankAccountsID=' + objectID, '修改银行账号', 'width=760,height=180,scrollbars=auto,resizable=no');
            }
            else {
                alert('请选择修改行！');
            }
        }