Appending text to a datalist item

I want to append the text " 35" to a datalist item. This  doesn't work. Can you help?  

<asp:DataList ID="DataList1" RepeatDirection = "Horizontal" RepeatColumns = '8'   runat="server">             <ItemTemplate>             <asp:CheckBox ID="CheckBox1" runat="server" Text='<%# Eval("ContractNumber") %>' />             <br />             <br />         </ItemTemplate> </asp:DataList>                  Label tt=(Label)this.DataList1.Cont ...