<input id="provinceHidden" type="hidden" name="provinceHidden" runat="server"> 
<select id="province" onchange="window.document.Form1.provinceHidden.value=this.options[this.selectedIndex].value;" name="province">
<option value="Not set" selected>选择省份</option>
</select>
protected System.Web.UI.HtmlControls.HtmlInputHidden provinceHidden;如对本文有疑问,请提交到交流论坛,广大热心网友会为你解答!! 点击进入论坛