网站站点地图的内容如图所示，现在在C1.aspx页面中添加一个SiteMapPath控件，网站运行后该控件的运行结果是（）。

A.Page_Load
B.Page_Render
C.Page_PreRender
D.Page_PreInit

A.Data Source=.；Initial Catalog=DBWork；Integrated Security=True
B.Data Source=.\SQLEXPRESS；Initial Catalog=DBWork；Integrated Security=True
C.Initial Catalog=.；Source=DBWork；Integrated Security=True
D.Initial Catalog=.\SQLEXPRESS；Source=DBWork；Integrated Security=True

A.模型层
B.用户界面层
C.数据访问层
D.业务逻辑层