HtmlGenericControl js = new HtmlGenericControl("script");
js.Attributes["type"] = "text/javascript";
js.Attributes["src"] = "js/jquery.validate.js";
HtmlGenericControl mes = new HtmlGenericControl("script");
mes.Attributes["type"] = "text/javascript";
mes.Attributes["src"] = "js/jquery.validate.messages_cn.js";
HtmlMeta meta1 = new HtmlMeta();
meta1.Name = "keywords";
meta1.Content = "L****";
HtmlMeta meta2 = new HtmlMeta();
meta2.Name = "description";
meta2.Content = "********";
Page.Header.Controls.Add(js);
Page.Header.Controls.Add(mes);
Page.Header.Controls.Add(meta1);
Page.Header.Controls.Add(meta2);
//如果你发现没有系统自带的方法或属性用如下方法:
HtmlGenericControl mes = new HtmlGenericControl("标签");
mes.Attributes["属性"] = "**";
mes.Attributes["属性"] = "***";