自定义 DataList 显示数据行数的方法

　　PEAEWebSiteDataContext context = new PEAEWebSiteDataContext();

　　var p = from n in context.tb_News

　　where n.cname == "校园信息"

　　select n;

　　var pp = p.OrderByDescending(tb_News=>tb_News.issuedate).Take(1);var p1 = from n in context.tb_News

　　where n.cname == "活动安排"

　　select n;

　　var pp1 = p1.OrderByDescending(tb_News=>tb_News.issuedate).Take(1);

　　DataList1.DataSource = pp;

　　DataList2.DataSource = pp1;

　　DataList1.DataBind();

　　DataList2.DataBind();