[zz]在web.config文件中如何添加自己的配置信息

Web.config: 
    <appSettings> 
        <add   key= "ConnectionString "   value= "data   source=****;initial   catalog=****;persist   security   info=False;user   id=****;pwd=**** "   />     
    </appSettings> 


    Get   it: 
    string   strConn   =   ConfigurationSettings.AppSettings[ "ConnectionString "]; 

       string   ConnString=System.Configuration.ConfigurationSettings.AppSettings[ "ConnectionSqlServer "];

    <connectionStrings>
    <add name="链接字符串名字" connectionString="server=\'(local)\'; trusted_connection=true; database=\'CMB\>
    </connectionStrings>

    调用的时候：
    string strConn = ConfigurationManager.ConnectionStrings["链接字符串名字"].ToString（）;

在ASP.NET编程中发现，可以用两种方式写连接数据字符串配置 ，就是AppSettings和ConnectionStrings。 

其中AppSettings是ASP.NET1.1时期用的,在.NET Framework 2.0中，新增了ConnectionStrings专门用来获取配置文件在ConfigurationManager类中 

AppSettings和ConnectionStrings节的数据，使用方法如下： 

using System.Configuration; 
public partial class _Default : System.Web.UI.Page  
{ 
    protected void Page_Load(object sender, EventArgs e) 
    { 
        Label1.Text = ConfigurationManager.ConnectionStrings["connectionStringsName"].ToString(); 
        Label2.Text = ConfigurationManager.AppSettings["appSettingsName"].ToString(); 
    } 
} 

<connectionStrings>和<appSettings>这个的区别 
1.<connectionStrings> 
<connectionStrings> 
<add name="ConnectionStringName" connectionString="Data Source=服务器名;Initial Catalog=数据库名;User ID=用户;Password=密码" 
providerName="System.Data.SqlClient" /> 
</connectionStrings> 

在  <connectionStrings> 里,在页面还可以这样引用<%$ ConnectionString:Name%>. 

2.<appSettings>： 

<add key="connectionstringName" value="data source=服务器名或IP;initial catalog=数据库名;persist security info=False;user id=用户;password=密码;packet size=4096"> 
</add>

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web.config里面这样写：
    <connectionStrings>
    <add name="链接字符串名字" connectionString="server=\'(local)\'; trusted_connection=true; database=\'CMB\>
    </connectionStrings>

    调用的时候：
    string strConn = ConfigurationManager.ConnectionStrings["链接字符串名字"].ToString（）;