定义字符串连接key

 

<? xml version ="1.0" encoding ="utf-8" ?>

< configuration >

< appSettings >

        <!-- 此处设置数据库连接字符串-- >

    <addkey="ConnectionString"

value ="server=(local);database=hotop100;User ID=sa;password=123"/>

 </appSettings>

 <system.web>

    <globalization

            requestEncoding ="utf-8"

           responseEncoding ="utf-8"     />

</ system.web >

</ configuration >

使用时

string connstr=ConfigurationSettings.AppSettings("ConnectionString");