protected void TracksSelectionList_ItemCommand(object sender,
ListViewCommandEventArgs e)
{
//do we have the playlist name
if (string.IsNullOrEmpty(PlaylistName.Text))
{
MessageUserControl.ShowInfo("Required Data", "Playlist name is required to add a track");
}
else
{
//collect the requied data for the event
string playlistname = PlaylistName.Text;
//the username will come from the form security
//so until security is added, we will use HansenB
//string username = "******";
string username = User.Identity.Name;
//obtain the track id from the ListView
//the trackid will be in the CommandArgproperty of the
//ListViewCommandEventArgs e instance
//the CommandArg is e is return as an object
//cast it to a string, then you can .Parse the string
int trackid = int.Parse(e.CommandArgument.ToString());
//using the obtrained data, issue your call to the BLL method
//this work will be done with a TryRun()
MessageUserControl.TryRun(() =>
{
PlaylistTracksController sysmgr = new PlaylistTracksController();
//there is ONLY one call to add the data to the database
sysmgr.Add_TrackToPlaylist(playlistname, username, trackid);
//refresh the playlist is a READ
List <UserPlaylistTrack> datainfo = sysmgr.List_TracksForPlaylist(playlistname, username);
PlayList.DataSource = datainfo;
PlayList.DataBind();
}, "Addinga Track", "Track has been added to the playlist");
}
//code to go here
}
