<asp:ListView ID="Listviewid" Visible="true" runat="server" AutoGenerateColumns="false" RepeatColumns="1" CellSpacing="15">
<ItemTemplate>
<table>
<tr>
<td>
<asp:LinkButton ID="LinkID" runat="server" Text="Play" CommandArgument='<%# Eval("ID", "Generic_Handler.ashx?Id={0}")%>' OnClick="LinkID_Click"></asp:LinkButton>
</td>
</tr>
</table>
</ItemTemplate>
</asp:ListView>
<a class="player" id="aPlayer" runat="server" visible="false" style="height: 300px; width: 300px; display: block;"></a>
protected void LinkID_Click(object sender, EventArgs e)
{
LinkButton linkplayvideo = sender as LinkButton;
this.aPlayer.Visible = true;
this.aPlayer.HRef = linkplayvideo.CommandArgument;
}