protected void populateChannels()
{
ServiceInterface server = new ServiceInterface();
List<WebChannel> channels=null;
if (cbChannelType.SelectedIndex == 1)
channels = server.GetChannelsInTvGroup(Int32.Parse(cbGroup.SelectedValue));
else if (cbChannelType.SelectedIndex == 2)
channels = server.GetChannelsInRadioGroup(Int32.Parse(cbGroup.SelectedValue));
cbChannel.Items.Clear();
foreach (WebChannel ch in channels)
cbChannel.Items.Add(new ListItem(ch.displayName, ch.idChannel.ToString()));
cbChannel.SelectedIndex = 0;
lChannel.Text = cbChannel.SelectedItem.Text;
hfIdChannel.Value = cbChannel.SelectedItem.Value;
}