复制代码 代码如下:

ExeConfigurationFileMap map = new ExeConfigurationFileMap();

map.ExeConfigFilename = @"F:App1.config"; ;

Configuration config = ConfigurationManager.OpenMappedExeConfiguration(map, ConfigurationUserLevel.None);

string connstr = config.ConnectionStrings.ConnectionStrings["connStr"].ConnectionString;

MessageBox.Show(connstr);

string key = config.AppSettings.Settings["key"].Value;

MessageBox.Show(key);