int intTempQuery = strUrl.IndexOf("yourParms",1,strUrl.Length-2);
string strRemoveUrl = strUrl.Substring(intTempQuery);
strUrl = strUrl.Remove(intTempQuery,strRemoveUrl.Length);
string strRemoveUrl = strUrl.Substring(intTempQuery);
strUrl = strUrl.Remove(intTempQuery,strRemoveUrl.Length);