Write Meta tag in aspx page dynamically

HtmlMeta mt = new HtmlMeta();
mt.Attributes.Add("keyword", "hello is world");
Page.Header.Controls.Add(mt);
HtmlMeta mt1 = new HtmlMeta();
mt1.Attributes.Add("name", "suresh");
mt1.Attributes.Add("keyowrd", "hello rupak how r u");
mt1.Attributes.Add("discription", "yellowpages india,web hosting");
Page.Header.Controls.Add(mt1);