我有一个XML文件(web.config),我需要编辑每个标记的value属性,这取决于密钥名称。。。
这是XML文件的一个示例:
<appSettings>
<add key="A1" value="Hi" />
<add key="B1" value="Hello" />
</appSettings>
我的意思是,我怎样才能改变值“hi”&;使用键属性(A1&;B1)的“你好”??
非常感谢
我有一个XML文件(web.config),我需要编辑每个标记的value属性,这取决于密钥名称。。。
这是XML文件的一个示例:
<appSettings>
<add key="A1" value="Hi" />
<add key="B1" value="Hello" />
</appSettings>
我的意思是,我怎样才能改变值“hi”&;使用键属性(A1&;B1)的“你好”??
非常感谢
试试这个代码,它工作得很好:
XmlDocument doc = new XmlDocument();
doc.Load("Your.xml");
XmlNodeList elementList = doc.GetElementsByTagName("add");
for (int i = 0; i < elementList.Count; i++)
{
if(elementList[i].Attributes["key"].Value == "A1")
elementList[i].Attributes["value"].Value = "NewValue";
}
if you just want to edit application configuration file this function can help you
private static void SaveConfig(string KeyName, string value)
{
System.Configuration.ConfigurationManager.AppSettings[KeyName] = value;
System.Configuration.Configuration config = System.Configuration.ConfigurationManager.OpenExeConfiguration(System.Windows.Forms.Application.ExecutablePath);
System.Configuration.AppSettingsSection ass = config.AppSettings;
if (ass.Settings[KeyName] != null)
ass.Settings[KeyName].Value = value;
else
ass.Settings.Add(KeyName, value);
config.Save();
}
通过调用SaveConfig(“key”、“newvalue”),可以更改配置值
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