ASP.NET 以编程方式访问配置节点

1.在web.config文件中有如下配置

<configuration>

    <!--数据库链接配置-->
    <connectionStrings>
        <add name="ConnectionString" connectionString="Data Source=.;Initial Catalog=QualityCourses;Persist Security Info=True;User ID=sa;Password=sa"
            providerName="System.Data.SqlClient" />
       
    </connectionStrings>

    <!--文件上传配置-->
    <system.web>
        <identity impersonate="true" userName="January" password="master0932"/>
      
    </system.web>

</configuration>

2.现在在后台代码中获取如上的的配置信息

IdentitySection section = (IdentitySection)WebConfigurationManager.GetSection("system.web/identity");
                    proc.StartInfo.UserName = section.UserName.ToString();
string password = section.Password.ToString();

详细信息请参看

How to: Access ASP.NET Configuration Settings Programmatically