Configurationmanager.getsection usage

public static void Createappsettings () {//Get the application configuration file. System.Configuration.Configuration config = configurationmanager.openexeconfiguration (configurationuserlevel.  None);  String sectionname = "AppSettings";  Add an entry to appSettings.  int appstgcnt = ConfigurationManager.AppSettings.Count;  String NewKey = "NewKey" + appstgcnt.tostring ();  String newvalue = DateTime.Now.ToLongDateString () + "" + DateTime.Now.ToLongTimeString (); Config.  APPSETTINGS.SETTINGS.ADD (NewKey, newvalue);  Save the configuration file. Config.  Save (configurationsavemode.modified); Force a reload of the changed section.  This//makes the new values available for reading.  Configurationmanager.refreshsection (sectionname);  Get the AppSettings section. Appsettingssection appsettingsection = (appsettingssection) config.  GetSection (sectionname);  Console.WriteLine ();  Console.WriteLine ("Using GetSection (String)."); Console.WriteLine ("AppSettingS section: "); Console.WriteLine (AppSettingSection.SectionInformation.GetRawXml ());}

　　

Configurationmanager.getsection usage