namespace System.Runtime { internal static class UrlUtility { public static NameValueCollection ParseQueryString(string query); public static NameValueCollection ParseQueryString(string query, Encoding encoding); public static string UrlEncode(string str); public static string UrlPathEncode(string str); public static string UrlEncode(string str, Encoding encoding); public static string UrlEncodeUnicode(string str); public static byte[] UrlEncodeToBytes(string str, Encoding e); public static string UrlDecode(string str, Encoding e); } }