c# query string builder

using System.Linq;<br /> using System.Web;<br /> using System.Collections.Specialized;</p> <p>private string ToQueryString(NameValueCollection nvc)<br /> {<br /> var array = (<br /> from key in nvc.AllKeys<br /> from value in nvc.GetValues(key)<br /> select string.Format(<br /> “{0}={1}”,<br /> HttpUtility.UrlEncode(key),<br /> HttpUtility.UrlEncode(value))<br /> ).ToArray();<br /> return “?” + string.Join(“&”, array);<br /> }