20080529转载：System.Configuration.ConfigurationSettings.AppSettings”已过时

System.Configuration.ConfigurationSettings.AppSettings”已过时

2007年11月19日 星期一 16:57

使用VS 2005，习惯性的使用ConfigurationSettings类来读取应用程序配置文件的信息时，却被编译器提示说

警告“System.Configuration.ConfigurationSettings.GetConfig(string)”已过时:“This method is obsolete, it has been replaced by System.Configuration!System.Configuration.ConfigurationManager.GetSection”

警告   1 “System.Configuration.ConfigurationSettings.AppSettings”已过时:“This method is obsolete, it has been replaced by System.Configuration!System.Configuration.ConfigurationManager.AppSettings”

注意:默认没有引用ConfigurationManager类，所以找不到System.Configuration命名空间的 ConfigurationManager类.

解决:首先添加对System.Configuration.dll 文件的引用;:在将"System.Configuration.ConfigurationSettings.GetConfig替换为System.Configuration.ConfigurationManager.GetSection

将“System.Configuration.ConfigurationSettings.AppSettings”替换为System.Configuration.ConfigurationManager.AppSettings”


MS对这一点提示比较隐晦而已——
This method is obsolete, it has been replaced by System.Configuration!System.Configuration.ConfigurationManager.AppSettings
上面那段话多了System.Configuration!


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