how to use data bind in dropdown using linq code

protected void BindMarketCodes()
 {        
 using (var dataContext = new LINQOmniDataContext())
 { //bind to Country COde droplist        
 dd2.DataSource = from p in dataContext.lkpMarketCodes             
 orderby p.marketName             
select new {p.marketCodeID, p.marketName};        
 dd2.DataTextField = "marketName";        
 dd2.DataValueField = "marketCodeID";        
 dd2.DataBind();
 } 
}