C# 클라이언트 Browser 정보얻기

public static string GetClientBrowser()

{

    try

    {

        HttpContext chc = System.Web.HttpContext.Current;

        if (chc == null)

            return string.Empty;

        return chc.Request.Browser.Capabilities[""] != null ? chc.Request.Browser.Capabilities[""].ToString() : chc.Request.Browser.Browser + chc.Request.Browser.Version;

    }

    catch { }

    return String.Empty;

}