jquery 获取 tr 中控件值 操作tr

<table style="width: 100%; height: 100%" border="1">

            <caption>

                Material/Special Tool Rental/Tool Cantainer/Transportation/Mobile</caption>

            <tbody><tr>

                <td>

                    Project No

                </td>

                <td>

                    <input type="hidden" name="hidProjectInnerID" id="hidProjectInnerID">

                    <input name="txtProjectNo" type="text" id="txtProjectNo" class="Error"><a href="javascript:void(0)" onclick="SelectProject();">选择</a>

                </td>

                <td>

                    Final Custome:

                </td>

                <td>

                    <span id="labFinalCustome">Label</span>

                </td>

                <td>

                    Order No.

                </td>

                <td>

                    <span id="labOrderNo">Label</span>

                </td>

                <td>

                    Project Leaing Time:

                </td>

                <td>

                    <span id="labProjectLeaingTime">Label</span>

                </td>

            </tr>

            <tr>

                <td colspan="8">

                    Exchange Rate:8.3000

                </td>

            </tr>

            <tr align="center">

                <td>

                    item

                </td>

                <td colspan="2">

                    Description

                </td>

                <td>

                    QTY

                </td>

                <td>

                    Unit

                </td>

                <td>

                    Total

                </td>

                <td>

                    Remark

                </td>

                <td>

                    <a id="NewItem" href="javascript:void(0)">NewItem</a>

                </td>

            </tr>

            </tbody><tbody id="tbItem">

                <tr align="center">

                    <td>

                    </td>

                    <td colspan="2">

                    </td>

                    <td>

                    </td>

                    <td>

                    </td>

                    <td>

                    </td>

                    <td>

                    </td>

                    <td>

                         

                    </td>

                </tr>

            <tr id="tbItem1" align="center"><td><select id="selItem" name="Item"><option value="Material">Material</option><option value="Mobile">Mobile</option><option value="Others">Others</option><option value="SpecialToolRental">Special Tool Rental</option><option value="ToolContainer">Tool Container</option><option value="Transportation">Transportation</option><option value="WorkingHours">WorkingHours</option></select></td><td colspan="2"><input id="txtDescription" style="width:90%" type="text" name="Item"></td><td><input id="txtQTY" type="text" name="Item"></td><td><input id="txtUnit" type="text" name="Item"></td><td><input id="txtTotal" type="text" name="Item"></td><td><input id="txtRemark" type="text" name="Item"></td><td><a href="javascript:;SaveItem('tbItem1')">保存</a> | <a href="javascript:;DelItem('tbItem1')">删除</a> <input id="txtInnerID" type="hidden" name="Item"></td></tr></tbody>

        </table>

function SaveItem(index) {

            var tr = $("tr[id=" + index + "]");

            var innerid = tr.find('input[ID$=txtInnerID]').val();

            var item = tr.find("select[id*=selItem]").val();

            var des = tr.find('input[ID$=txtDescription]').val();

            var qty = tr.find('input[ID$=txtQTY]').val();

            var unit = tr.find('input[ID$=txtUnit]').val();

            var total = tr.find('input[ID$=txtTotal]').val();

            var remark = tr.find('input[ID$=txtRemark]').val();

            //alert(innerid + "/" + item + des + qty + unit + total + remark);

            //验证项目编号

            var proinnerid = $("#hidProjectInnerID").val();

            if (proinnerid == "") {

                $("#txtProjectNo").removeClass("Field");

                $("#txtProjectNo").addClass("Error");

                return false;

            }

            /*

            jQuery.ajax({

            type: 'get',

            url: '../Handler/ProjectReport.ashx',

            data: { "key": "save", "proinnerid": $("#hidProjectInnerID").val(), "innerid": innerid, "type": type, "content": content, "startdate": startdate, "enddate": enddate, "remark": remark },



            cache: false,

            success: function (result) {

            var jsonobj = eval(result);

            if (jsonobj[0].result == "true")

            alert("Sueecss");

            else

            alert("Error");

            }

            });

            */

        }

        function DelItem(index) {

            var tr = $("tr[id=" + index + "]");

            //var innerid = tr.find('input[ID$=txtInnerID]').val();

            $("tr[id=" + index + "]").remove();

        }