protected static string GetApplicationSettings(string sKey)
        {
            string sValue = null;
            //check if the AppSettings section has items
            if (System.Web.Configuration.WebConfigurationManager.AppSettings.Count > 0)
            {
                sValue = System.Web.Configuration.WebConfigurationManager.AppSettings[sKey];
            }
            return sValue;
        }

        /// <remarks/>
        public IProcesosWSservice() {
            string TressProcesos = GetApplicationSettings("LLAVE");
            this.Url = TressProcesos;
            if ((this.IsLocalFileSystemWebService(this.Url) == true)) {
                this.UseDefaultCredentials = true;
                this.useDefaultCredentialsSetExplicitly = false;
            }
            else {
                this.useDefaultCredentialsSetExplicitly = true;
            }
        }