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對(duì)于WINFORM程序,使用 System.Configuration.ConfigurationManager;
對(duì)于ASP.NET 程序, 使用 System.Web.Configuration.WebConfigurationManager;
對(duì)于配置文件內(nèi)容的讀取,真是太普遍不過(guò)了,如果你的程序里,沒(méi)有讀取配置文件內(nèi)容的方面,你都不好意思拿出來(lái)用
我們以最常見(jiàn)的 AppSettings 小節(jié)來(lái)作為例子:
假設(shè)有如下的配置文件內(nèi)容:
復(fù)制代碼 代碼如下:
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<appSettings>
<add key="y" value="this is Y"/>
</appSettings>
</configuration>
1. 讀取值:
* ASP.NET: System.Web.Configuration.WebConfigurationManager.AppSettings[“y”];
* WinForm: System.Configuration.ConfigurationManager.AppSettings[“y”];
2. 添加一項(xiàng)
ASP.NET(需要有寫(xiě)權(quán)限):
Configuration config = WebConfigurationManager.OpenWebConfiguration(null);
AppSettingsSection app = config.AppSettings;
app.Settings.Add("x", "this is X");
config.Save(ConfigurationSaveMode.Modified);
WinForm:
Configuration config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
AppSettingsSection app = config.AppSettings;
app.Settings.Add("x", "this is X");
config.Save(ConfigurationSaveMode.Modified);
3. 修改一項(xiàng)
* ASP.NET
Configuration config = WebConfigurationManager.OpenWebConfiguration(null);
AppSettingsSection app = config.AppSettings;
//app.Settings.Add("x", "this is X");
app.Settings["x"].Value = "this is not Y";
config.Save(ConfigurationSaveMode.Modified);
* WinForm
Configuration config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
AppSettingsSection app = config.AppSettings;
//app.Settings.Add("x", "this is X");
app.Settings["x"].Value = "this is not Y";
config.Save(ConfigurationSaveMode.Modified);
4. 刪除一項(xiàng)
* ASP.NET
Configuration config = WebConfigurationManager.OpenWebConfiguration(null);
AppSettingsSection app = config.AppSettings;
app.Settings.Remove("x");
config.Save(ConfigurationSaveMode.Modified);
* WinForm
Configuration config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
AppSettingsSection app = config.AppSettings;
app.Settings.Remove("x");
config.Save(ConfigurationSaveMode.Modified);
AspNet技術(shù):ASP.NET(C#)應(yīng)用程序配置文件app.config/web.config的增、刪、改操作,轉(zhuǎn)載需保留來(lái)源!
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