数据库连接

1.SQL Server 

//Web.config 加入如下代码
<connectionStrings>
    <add connectionString="Server=127.0.0.1;Database=WebOA;Uid=sa;Pwd=123456" name="WebOA" providerName="System.Data.SqlClient" />
</connectionStrings>


//页面创建db,相当于conn
var db1 = Database.Open("WebOA");
var db2 = Database.OpenConnectionString("Server=127.0.0.1;Database=WebOA;Uid=sa;Pwd=123456");