public static string GetValue(string MainSection, string sn) { string res = ""; try { if (config.Sections[MainSection] == null) { section.SectionInformation.AllowExeDefinition = ConfigurationAllowExeDefinition.MachineToApplication; config.Sections.Add(MainSection, section); } else { section = (AppSettingsSection)config.Sections[MainSection]; } res = section.Settings[sn].Value; } catch (Exception e) { CLog.Write("CCofig->GetValue " + e.GetAllMessages()); } return(res); }