c# appsetting

代码示例

public static void ReadAppSettings(){  try  {    // Get the AppSettings section.    NameValueCollection appSettings =       ConfigurationManager.AppSettings;    // Get the AppSettings section elements.    Console.WriteLine();    Console.WriteLine("Using AppSettings property.");    Console.WriteLine("Application settings:");    if (appSettings.Count == 0)    {      Console.WriteLine("[ReadAppSettings: {0}]",      "AppSettings is empty Use GetSection command first.");    }    for (int i = 0; i < appSettings.Count; i++)    {      Console.WriteLine("#{0} Key: {1} Value: {2}",        i, appSettings.GetKey(i), appSettings[i]);    }  }  catch (ConfigurationErrorsException e)  {    Console.WriteLine("[ReadAppSettings: {0}]",        e.ToString());  }}