tr定位问题
急急急！我想知道图中的最后一个tr该如何定位，每次tr都是变化的，我要定位的是最后一个，求各位帮助，这个是我自己写的定位语法，但是好像哪里不正确maichang_last_loc=(By.XPATH,"//table[@id='gridTemp']/tr")，
<tr tabindex="-1" class="ui-widget-content jqgrow ui-row-ltr altCss1" id="6" role="row">
<td title="56" class="ui-state-default jqgrid-rownum" role="gridcell" aria-describedby="gridTemp_rn" style="text-align: center;">
<td title="编辑" role="gridcell" aria-describedby="gridTemp_ShopDtl" style="text-align: center;">
<td title="面" class="validate validate-table maxlength notnull" role="gridcell" aria-describedby="gridTemp_ShopName" validate-maxlength="200">
<td title="加盟店" role="gridcell" aria-describedby="gridTemp_ShopType" style="text-align: center;">
<td title="暂无" class="validate validate-table maxlength notnull cursor-pointer" role="gridcell" aria-describedby="gridTemp_ShopState" style="text-align: center;" onmouseover="underLine()" onmouseout="nounderLine()" validate-maxlength="200">
<td title="暂无" class="validate validate-table maxlength notnull cursor-pointer" role="gridcell" aria-describedby="gridTemp_ManagerName" style="text-align: center;" onmouseover="underLine()" onmouseout="nounderLine()" validate-maxlength="200">
<td title="" role="gridcell" aria-describedby="gridTemp_UseChk" style="text-align: center;">
<td title="2016-09-01" class="validate validate-table notnull" role="gridcell" aria-describedby="gridTemp_SDate" style="text-align: center;">
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