web.config文件中
<connectionStrings>
    <add name="ConnectionString" connectionString="Data Source=192.168.18.55;Initial Catalog=Jls;Integrated Security=True"
     providerName="System.Data.SqlClient" />
  </connectionStrings>我这是连局域网的,不晓得 Data Source=数据库网址 这样子对不对