Jq 无法获取服务器控件ID问题，请指教
<script src="../../js/jquery-1.9.1.min.js"></script><script type="text/javascript">
$(function () {
var title = $("#<%= txtFlowID.ClientID %>").val(); //无法获取ID
alert(title);
});
})
</script>
<asp:TextBox ID="txtFlowID" runat="server" Width="300px" Height="20"></asp:TextBox>
