Is there an ASP.NET way to add parameters to the URL?

I have an onclick button that redirects the user to another page, but I need to add a parameter to the URL for the redirect. Considering all the scenarios, I have nested if statements to get the URL right like this:

        if (!Request.RawUrl.Contains("sticky=1"))
            if (Request.RawUrl.Contains("?"))
                Response.Redirect(Request.RawUrl + "&sticky=1");
                Response.Redirect(Request.RawUrl + "?sticky=1");

I was hoping there was something built into .NET to add parameters to the URL, like a one liner or something. Can .NET take care of this or do I got to leave the mess like that? I'm worried there's some other scenario I'm not taking into account.
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bemara57Author Commented:
Thx, I just ended up doing this:

    public static string AddUrlParam(string url, string param)
        if (!url.Contains(param))
            if (url.Contains("?"))
                url += "&" + param;
                url += "?" + param;

        return url;
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