配置文件中使用Custom Sections

在config文件中添加如下configSections

<?xml version="1.0" encoding="Windows-1252"?>
<configuration>
    <configSections>
        <section name="FavoriteUrls" 
                type="System.Configuration.NameValueSectionHandler" />
    </configSections>   

    <appSettings>
    </appSettings>

    <FavoriteUrls>
        <add key="Microsoft" value="http://www.microsoft.com/" />
        <add key="DotNetSpider" value="http://www.DotNetSpider.com/" />
        <add key="AsianSpider" value="http://www.AsianSpider.com/" />
    </FavoriteUrls>
    
</configuration>

在C#代码中访问配置文件：

1。 添加命名空间：

using System.Collections.Specialized;
using System.Configuration;

2。访问代码：

NameValueCollection section = (NameValueCollection)ConfigurationManager.GetSection("FavoriteUrls");

for (int i = 0; i < section.Keys.Count; i++)
{
    string key = section.Keys[i];
    string name = section.GetValues (key)[0];

    // .GetValues() returns a collection of values. In our case, we have 
    //only one value, so get the first one.
}

来自：http://www.dotnetspider.com/resources/14-Custom-sections-config-file.aspx

Note: Cross posted from Bookcold's Blog.
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