本文主要给大家介绍了关于ASP.NET中Config读写示例的相关内容,分享出来供大家参考学习,话不多说,来一起看看详细的介绍吧。
方法如下:
如果是WinForm程序,需要添加引用:
- System.ServiceModel
- System.Configuration
App.config
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<? xml version = "1.0" encoding = "utf-8" ?>
< configuration >
< appSettings >
< add key = "testkey" value = "0" ></ add >
</ appSettings >
</ configuration >
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NetUtilityLib
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using System.Configuration;
namespace pcauto
{
public static class ConfigHelper
{
///<summary>
///返回*.exe.config文件中appSettings配置节的value项
///</summary>
///<param name="strKey"></param>
///<returns></returns>
public static string GetAppConfig( string strKey)
{
string file = System.Windows.Forms.Application.ExecutablePath;
Configuration config = ConfigurationManager.OpenExeConfiguration(file);
foreach ( string key in config.AppSettings.Settings.AllKeys) {
if (key == strKey) {
return config.AppSettings.Settings[strKey].Value.ToString();
}
}
return null ;
}
///<summary>
///在*.exe.config文件中appSettings配置节增加一对键值对
///</summary>
///<param name="newKey"></param>
///<param name="newValue"></param>
public static void UpdateAppConfig( string newKey, string newValue) {
string file = System.Windows.Forms.Application.ExecutablePath;
Configuration config = ConfigurationManager.OpenExeConfiguration(file);
bool exist = false ;
foreach ( string key in config.AppSettings.Settings.AllKeys) {
if (key == newKey) { exist = true ; }
}
if (exist) { config.AppSettings.Settings.Remove(newKey); }
config.AppSettings.Settings.Add(newKey, newValue);
config.Save(ConfigurationSaveMode.Modified);
ConfigurationManager.RefreshSection( "appSettings" );
}
}
}
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读示例
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ConfigHelper.GetAppConfig( "testkey" )
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写示例
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ConfigHelper.UpdateAppConfig( "testkey" , "abc" );
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总结
以上就是这篇文章的全部内容了,希望本文的内容对大家的学习或者工作能带来一定的帮助,如果有疑问大家可以留言交流,谢谢大家对服务器之家的支持
原文链接:http://blog.csdn.net/xundh/article/details/74279666