How to display youtube videos in my ASP page by using json webservice

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ASP.NET

i am new to asp.please help to show youtube videos in my asp page.youtube id and description stored in database table.

What I have tried:

<pre><asp:DataList ID="DataList1" runat="server" BackColor="Gray" BorderColor="#666666"
            BorderStyle="None" BorderWidth="2px" CellPadding="3" CellSpacing="2"
            Font-Names="Verdana" Font-Size="Small" GridLines="Both" RepeatColumns="6" RepeatDirection="Horizontal"
            Width="665px">
            <FooterStyle BackColor="#F7DFB5" ForeColor="#8C4510" />
            <HeaderStyle BackColor="#333333" Font-Bold="True" Font-Size="Large" ForeColor="White"
                HorizontalAlign="Center" VerticalAlign="Middle" />
            <HeaderTemplate>
                video list</HeaderTemplate>
            <ItemStyle BackColor="White" ForeColor="Black" BorderWidth="2px" />
                <ItemTemplate>
                <a style="text-decoration: none;"
                      href='<%#Eval("videoid")%>'>
                <asp:Image ID="imgEmp" runat="server"  Width="100px" Height="120px" ImageUrl="http://img.youtube.com/vi/" +{'videoid'}+ "/mqdefault.jpg"; style="padding-left:40px"/><br /></a>
                </ItemTemplate>
        </asp:DataList>