<select name="ctl00$cphMainContent$ddlTopic" onchange="javascript:setTimeout('__doPostBack(\'ctl00$cphMainContent$ddlTopic\',\'\')',0)" id="ctl00_cphMainContent_ddlTopic"> <option value="All">All</option> </select>
我需要得到值“ctl00 $cphMainContent $ddlTopic”
那可能吗？
