app.config读取问题
winform程序，.net2.0新建后都会有app.config文件，编译后生成xxx.exe.config文件，我知道在程序中可以通过configuration.AppSettings[ "DataBase "]来读取appsetting字节里面的内容，但如何读取 <connectionStrings> 段的内容？还有如何将textbox字段写入？

附一个简单app.config
<?xml   version= "1.0 "   encoding= "utf-8 "   ?>
<configuration>
        <configSections>
        </configSections>
        <connectionStrings>
                <add   name= "abc.Properties.Settings.abcConnectionString "
                        connectionString= "Data   Source=local;Initial   Catalog=database;Persist   Security   Info=True;User   ID=sa;Password= "
                        providerName= "System.Data.SqlClient "   />
        </connectionStrings>
    <appSettings>
        <add       key= "DataBase "       value= "Access "/>
    </appSettings>
</configuration>

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for example:

App.config

<?xml version= "1.0 " encoding= "utf-8 " ?>
<configuration>
<connectionStrings >
<add name = "ConStr " connectionString = "server=.;database=student;uid=sa;pwd=0421 " providerName = "System.Data.SqlClient "/>
</connectionStrings>
</configuration>

取得连接字符串:
Console.WriteLine(ConfigurationManager.ConnectionStrings[ "ConStr "].ConnectionString);

输出:
server=.;database=student;uid=sa;pwd=0421


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jf
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jf
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string a=System.Configuration.ConfigurationSettings.AppSettings[index]
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jf