public string GetURL() { byte[] ivValue = Encoding.ASCII.GetBytes(iv); byte[] sharedSecret = Encoding.ASCII.GetBytes(key); string finalURL = string.Format("{0}/qvajaxzfc/epicwebticket.aspx?token={1}", QlikServerUrl, HttpUtility.UrlEncode(Encryptor.EncryptString(BiUserId, sharedSecret, ivValue))); return(finalURL); }