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copied!<p>Here is an implementation which uses very basic language features. It's part of a class which we have to port and maintain in Objective C so we choose to have more lines of code but easier to port and understand by a programmer that isn't very familiar with C#. </p> <pre><code> /// <summary> /// Builds a complete http url with query strings. /// </summary> /// <param name="pHostname"></param> /// <param name="pPort"></param> /// <param name="pPage">ex "/index.html" or index.html</param> /// <param name="pGetParams">a Dictionary<string,string> collection containing the key value pairs. Pass null if there are none.</param> /// <returns>a string of the form: http://[pHostname]:[pPort/[pPage]?key1=val1&key2=val2...</returns> static public string buildURL(string pHostname, int pPort, string pPage, Dictionary<string,string> pGetParams) { StringBuilder sb = new StringBuilder(200); sb.Append("http://"); sb.Append(pHostname); if( pPort != 80 ) { sb.Append(pPort); } // Allows page param to be passed in with or without leading slash. if( !pPage.StartsWith("/") ) { sb.Append("/"); } sb.Append(pPage); if (pGetParams != null && pGetParams.Count > 0) { sb.Append("?"); foreach (KeyValuePair<string, string> kvp in pGetParams) { sb.Append(kvp.Key); sb.Append("="); sb.Append( System.Web.HttpUtility.UrlEncode(kvp.Value) ); sb.Append("&"); } sb.Remove(sb.Length - 1, 1); // Remove the final '&' } return sb.ToString(); } </code></pre>

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