private void PopulateTextBoxes(int selectedRow)
{
var url = podcastController.GetPodcastUrl(selectedRow);
txtUrl.Text = url;
var name = podcastController.GetPodcastName(selectedRow);
txtName.Text = name;
var interval = podcastController.GetPodcastUpdateInterval(selectedRow);
cbInterval.SelectedItem = interval;
var category = podcastController.GetPodcastCategory(selectedRow);
cbCategory.Text = category;
}