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();