ConfigurationManager读取和写入
提供对客户端应用程序配置文件的访问
通过引入System.Configuration.dll可以用ConfigurationManager类来读取项目中保存在App.config中的配置信息,如:
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<appSettings>
<add key="Number0" value="9759436"/>
<add key="Number1" value="9759437"/>
<add key="Number2" value="9759438"/>
<add key="Number3" value="9759439"/>
</appSettings>
<startup>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />
</startup>
</configuration>
后台:
读取数据:
private void Button_Click_1(object sender, RoutedEventArgs e)
{
int i = int.Parse(ConfigurationManager.AppSettings["Number2"]);
this.txtMsg.Text = i.ToString();
}
写入数据:
Configuration cfa = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
cfa.AppSettings.Settings["Number2"].Value = "65434";
cfa.Save();
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时间: 2024-10-05 04:09:25