动态加载Js代码到Head标签中的脚本

　　HtmlGenericControl Include2 = new HtmlGenericControl("script");

　　Include2.Attributes.Add("type", "text/javascript");

　　Include2.InnerHtml = "alert('JavaScript in Page Header');";

　　this.Page.Header.Controls.Add(Include2);

　　Literal li = new Literal();

　　li.Text = "<script...</script>";

　　this.Page.Header.Controls.Add(li);