????????????????Щ?????
????????ó???????￡?????????????????????????ó???????μ?App.config???????bindebug ame.exe.config ???? binRelease ame.exe.config?μ??????????
??????ν??????????????????е???????bindebug?е???????????????????????????????App.config??????
??????????????
????????System.Configuration.dll?????System.Configuration??
??????ó???????д???
try
{
showData.Text = System.Configuration.ConfigurationSettings.AppSettings["ConnenctionString"];//???????е???
}
catch (Exception eee)
{ }
????App.config????Щ?????
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<startup>
<supportedRuntime version="v4.0" sku=".NETFramework??Version=v4.5" />
</startup>
<appSettings>
<add key="ConnenctionString" value="111"/>
</appSettings>
</configuration>
????????add??????????д????
??????????????е??????У????name.exe.config?е????????App.config?????
??????name.exe.config??????????
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<startup>
<supportedRuntime version="v4.0" sku=".NETFramework??Version=v4.5" />
</startup>
<appSettings>
<add key="ConnenctionString" value="111"/>
</appSettings>
</configuration>
???????????????ConnenctionString???????111.
?????????App.config????е?????????????????App.config?е???????浽name.exe.config???????ж?????????浽name.exe.config?С???name.exe.config?е???????仯??App.config?С?