<asp:DropDownList runat="server" id="dl" onselectedindexchanged="dl_SelectedIndexChanged">
<listItem>1</listItem>
<listItem>2</listItem>
<listItem>3</listItem>
</asp:DropDownList>
怎么样在dl_SelectedIndexChanged事件中创建dl.selectItem.value个TextBox控件,并且保持TextBox的状态
微软推荐在onInit中实现,怎么做啊。望高手指点!!