ASP.NET動態產生控制項&動態讀取控制項

//動態產生控制項
txt.ID = string.Format("txt{0}", rs["ordetailid"].ToString());
txt.Text =  rs["amount"].ToString();
column.Controls.Add(txt);

//動態讀取控制項
Page.Request.Form[string.Format("DataList1_statamount$txt{0}", strAmount)].ToString());