JQuery autocomplete for unicode character

Is there any JQuery autocomplete for Unicode character(Thai). I already with this and that my code for asp.net

protected void Page_Load(object sender, EventArgs e)
{
    var q = Server.UrlEncode(Request.QueryString["q"]);
    Response.Write(q);
}

The URL is http://localhost:2286/customerauto.aspx?q=%E0%B8%93 like 开发者_如何学JAVAthat.

I got q="%e0%b8%93"; actually the correct value is ณ . So I don't know client side encoding is wrong or server side encoding is wrong ?

Pls Help me

when u want to transfer UTF8 string just

Response.Write("this string represent UTF8");

and set page encoding to UTF8