if (!IsPostBack)
{
//Page title網頁標題
Page.Title = “我的網站標題”;//須將網頁head標籤設成服務器控件模式,即<head runat="server">,否則無效
//Description網頁描述
HtmlMeta desc = new HtmlMeta();
desc.Name = "Description";
desc.Content = "我的網站描述";
Page.Header.Controls.Add(desc);
//Keyword網頁關鍵字
HtmlMeta keywords = new HtmlMeta();
keywords.Name = "keywords";
keywords.Content = “我的網站關鍵字";
Page.Header.Controls.Add(keywords);
}