Dictionary from querystring

dictionary-from-querystring.cs

        /// <summary>
        /// Parses a query string into a dictionary collection
        /// </summary>
        /// <param name="queryString">the query string to parse</param>
        /// <returns>a dictionary collection of querystring items</returns>
        public static Dictionary<string, string> ParseQueryString(string queryString)
        {
            Dictionary<string, string> nameValueCollection = new Dictionary<string, string>();
            string[] items = queryString.Split('&');

            foreach (string item in items)
            {
                if (item.Contains("="))
                {
                    string[] nameValue = item.Split('=');
                    if(nameValue[0].Contains("?"))
                        nameValue[0] = nameValue[0].Replace("?","");
                    nameValueCollection.Add(nameValue[0], System.Net.HttpUtility.UrlDecode(nameValue[1]));
                }
            }

            return nameValueCollection;
        }