How to delete and Updat row item from DataList in ASP.Net

<asp:DataList ID="DataList1" runat="server" BackColor="#DEBA84" 
        BorderColor="#DEBA84" BorderStyle="None" BorderWidth="1px" CellPadding="3" 
        CellSpacing="2" DataKeyField="id" DataSourceID="SqlDataSource1" 
        GridLines="Both" Width="643px">
        <FooterStyle BackColor="#F7DFB5" ForeColor="#8C4510" />
        <HeaderStyle BackColor="#A55129" Font-Bold="True" ForeColor="White" />
        <ItemStyle BackColor="#FFF7E7" ForeColor="#8C4510" />
        <ItemTemplate>
            id:
            <asp:Label ID="idLabel" runat="server" Text='<%# Eval("id") %>' />
            <br />
            title:
            <asp:Label ID="titleLabel" runat="server" Text='<%# Eval("title") %>' />
            <br />
            url:
            <asp:Label ID="urlLabel" runat="server" Text='<%# Eval("url") %>' />
            <br />
<br />
        </ItemTemplate>
        <SelectedItemStyle BackColor="#738A9C" Font-Bold="True" ForeColor="White" />
    </asp:DataList>