发表于:2007-10-29 15:46:124楼 得分:0.aspx C# code <HEAD> <title>WebForm1</title> <asp:placeholder id="myplaceholder" runat="server"></asp:placeholder> </HEAD> .cs C# code private void Button2_Click(object sender, System.EventArgs e) { System.Web.UI.Control a = Page.FindControl("myplaceholder"); System.Web.UI.HtmlControls.HtmlGenericControl objLink = new HtmlGenericControl("script"); objLink.Attributes.Add("language","javascript"); objLink.Attributes.Add("src","1.js");//这个地方你自己用变量控制 objLink=objLink; a.Controls.Add(objLink); }