Inside sub sub control's events

Hi Im having repeater control, in which datalist control is there, and I want to write and caputure the datalist events like the itemcreated, itemdatabound, etc, and to get a value of the label control, how can I do it?

and how can I get a value of dropdownlist value in the button value, and do some background processing on database..

appreciate your help.. thanks

 <asp:Repeater ID="Repeater2" runat="server">
                                    <HeaderTemplate>
                                   
                                    </HeaderTemplate>
                                    <ItemTemplate>
                                   
                                        <%# Eval("ID") %>,  <%#Eval("Name")%>
                                   
                                     <br />
                                     <asp:DataList ID="DataList1" runat="server" Width="154px" RepeatDirection="Horizontal">
        <ItemTemplate>
        <br />
                 <a href='/store/<%# Replace(Eval("Name"), " ", "-") %>/<%# Eval("Id") %>'>

                                                       <div>
                  
                    <asp:Image ID="Image1" runat="server" Height="125px" Width="141px" BorderWidth="1"
              
                  
                  ImageUrl='<%# DataBinder.Eval(Container.DataItem, "ID","/PictureRead/homepageimage.aspx?ID={0}") %>'/>
                  
                 
                </div>
                </a>
                <%# Eval("Name") %> <br />
               RS.  <%# Eval("Price")%>
<asp:Label ID="Label1" runat="server" Text="<%# Eval("Id") %>"></asp:Label>
            <asp:DropDownList ID="DropDownList1" runat="server">
             <asp:ListItem Value="99">1 Piece 99</asp:ListItem>
              <asp:ListItem Value="145">3 Piece 145</asp:ListItem>
            </asp:DropDownList>

 <asp:Button ID="Button1" runat="server" Text="AddtoCart" />

           <hr />
          
        </ItemTemplate>
    </asp:DataList>

                                      </ItemTemplate>

                                   
                                </asp:Repeater>