<asp:Repeater ID="OrderList" runat="server">          <ItemTemplate>           <%#this.info(Eval("id").ToString(), Eval("id").ToString())%>          </ItemTemplate> </asp:Repeater>

protected void Page_Load(object sender, EventArgs e)     {            .......     ｝ protected string info(string id)     {         switch (num)         {             case "0":                 returnStr = "ID为0";                 break;             case "1":                 returnStr = "ID为1";                 break;             case "2":                 returnStr = "ID为2";                 break;             case "3":                 returnStr = "ID为3";                 break;             case "4":                 returnStr = "ID为3";                 break;         }         return returnStr;     }