protected void TracksSelectionList_ItemCommand(object sender, ListViewCommandEventArgs e) { //event on listview - command arg** string username = "******"; //until security //form event validation - presence if (string.IsNullOrEmpty(PlaylistName.Text)) { MessageUserControl.ShowInfo("missing data", "enter a playlist name to playlist name field"); } else { //playlist exists and arg has happened //REMINDER - Message usercontrol will do error throws MessageUserControl.TryRun(() => { //logic for the code block PlaylistTracksController sysmgr = new PlaylistTracksController(); // e argument coming from button object in list ... parse e object to string then to int //access a specific field on selected listview row string song = (e.Item.FindControl("NameLabel") as Label).Text; sysmgr.Add_TrackToPLaylist(PlaylistName.Text, username, int.Parse(e.CommandArgument.ToString()), song); //rebind playlist RefreshPlaylist(sysmgr, username); }, "great success", "added track to playlist"); } }
protected void TracksSelectionList_ItemCommand(object sender, ListViewCommandEventArgs e) { //code to go here if (string.IsNullOrEmpty(PlaylistName.Text)) { //use the MessageUserControl method .ShowInf("title", "message") MessageUserControl.ShowInfo("Required data", "Play list name is required to add a track."); } else { //collect the needed data string playlistname = PlaylistName.Text; //string username = User.Identity.Name; //comes from security string username = "******"; //obtain the TrackId from the ListView //CommandArgument is an object int trackid = int.Parse(e.CommandArgument.ToString()); MessageUserControl.TryRun(() => { PlaylistTracksController sysmgr = new PlaylistTracksController(); sysmgr.Add_TrackToPLaylist(playlistname, username, trackid); List <UserPlaylistTrack> results = sysmgr.List_TracksForPlaylist(playlistname, username); PlayList.DataSource = results; PlayList.DataBind(); }, "Adding a Track", "Track has been added to the playlist."); } }
protected void TracksSelectionList_ItemCommand(object sender, ListViewCommandEventArgs e) { if (string.IsNullOrEmpty(PlaylistName.Text)) { MessageUserControl.ShowInfo("Required data", "Play list name is required to add a track"); } else { //collect the required data for the event string playlistname = PlaylistName.Text; //the username will come from the security //so untill security is added, we will use HansenB string username = User.Identity.Name; //obtain the track id from the ListView //the track id will be in the commandArg property of the ListViewCommandEventArgs e instance //the commandarg in e is return as an object int trackid = int.Parse(e.CommandArgument.ToString()); MessageUserControl.TryRun(() => { PlaylistTracksController sysmgr = new PlaylistTracksController(); sysmgr.Add_TrackToPLaylist(playlistname, username, trackid); List <UserPlaylistTrack> datainfo = sysmgr.List_TracksForPlaylist(playlistname, username); PlayList.DataSource = datainfo; PlayList.DataBind(); }, "Adding a Track", "Track has been added to the playlist"); } }
protected void TracksSelectionList_ItemCommand(object sender, ListViewCommandEventArgs e) { //code to go here if (string.IsNullOrEmpty(PlaylistName.Text)) { //able to display a message to the user via the MessageUserControl //one of the methods of MessageUserControl is .ShowInfo() MessageUserControl.ShowInfo("Warning", "Playlist Name is required."); } else { string username = User.Identity.Name; //where does TrackId come from // ListViewCommandEcventargs e contains the parameter values for this event ; CommandArgument //CommandArgument is an object int trackid = int.Parse(e.CommandArgument.ToString()); //send your collection of parameter values to the BLL for processing MessageUserControl.TryRun(() => { //the process PlaylistTracksController sysmgr = new PlaylistTracksController(); List <UserPlaylistTrack> refreshResults = sysmgr.Add_TrackToPLaylist(PlaylistName.Text, username, trackid); PlayList.DataSource = refreshResults; PlayList.DataBind(); }, "Success", "your track has been added to your playlist"); } }
protected void TracksSelectionList_ItemCommand(object sender, ListViewCommandEventArgs e) { //validate incoming parameters if (string.IsNullOrEmpty(PlaylistName.Text)) { MessageUserControl.ShowInfo("Required Data ", "Adding a track requires a playlist name."); } else { string playlistName = PlaylistName.Text; //username eventually will come from security. Currently hardcoded string username = User.Identity.Name; //track id comes from the list view command arguments int trackID = int.Parse(e.CommandArgument.ToString()); //the command argument must be cast to a string, then parsed to an int. MessageUserControl.TryRun(() => { PlaylistTracksController controller = new PlaylistTracksController(); controller.Add_TrackToPLaylist(playlistName, username, trackID); //add data here - there can only be one call to the database List <UserPlaylistTrack> info = controller.List_TracksForPlaylist(playlistName, username); //read data back to user PlayList.DataSource = info; PlayList.DataBind(); }, "Added track", "Track has been added to playlist."); } }
protected void TracksSelectionList_ItemCommand(object sender, ListViewCommandEventArgs e) { //code to go here if (string.IsNullOrEmpty(PlaylistName.Text)) { MessageUserControl.ShowInfo("Required Data", "Playlist Name is required to add a track to a playlist"); } else { string playlistname = PlaylistName.Text; string username = User.Identity.Name; // change when security implemented //obtain track id from the ListView line that was selected //for the line I have created a CommandArgument //this value is available via the ListViewCommandEventArgs parameter e int trackid = int.Parse(e.CommandArgument.ToString()); MessageUserControl.TryRun(() => { PlaylistTracksController sysmgr = new PlaylistTracksController(); sysmgr.Add_TrackToPLaylist(playlistname, username, trackid); List <UserPlaylistTrack> datainfo = sysmgr.List_TracksForPlaylist(playlistname, username); PlayList.DataSource = datainfo; PlayList.DataBind(); }, "Adding a Track", "Track has been added to the playlist."); } }
protected void TracksSelectionList_ItemCommand(object sender, ListViewCommandEventArgs e) { //this method will only execute if the user has pressed the plus sign on a visible row from the display if (string.IsNullOrEmpty(PlaylistName.Text)) { MessageUserControl.ShowInfo("Playlist Name", "You must supply a playlist name"); } else { //via security, one can obtain the username string username = "******"; string playlistname = PlaylistName.Text; //the trackid is attached to each listview row via the CommandArgument parameter //access to the trackid is done via the ListViewCommandEventArgs e parameter //the e parameter is treated as an object //some e parameters need to be cast as strings int trackid = int.Parse(e.CommandArgument.ToString()); //all required data can now be sent to the BLL for further processing //user friendly error handling MessageUserControl.TryRun(() => { //connect to BLL PlaylistTracksController sysmgr = new PlaylistTracksController(); sysmgr.Add_TrackToPLaylist(playlistname, username, trackid); //code to retrieve the up to date playlist and tracks for refreshing the playlist track list List <UserPlaylistTrack> info = sysmgr.List_TracksForPlaylist(playlistname, username); PlayList.DataSource = info; PlayList.DataBind(); }, "Track Added", "The track has been added, check your list below"); } }
protected void TracksSelectionList_ItemCommand(object sender, ListViewCommandEventArgs e) { //ListViewCommandEventArgs paramter e contains the CommandArg value (TrackID from button ) if (string.IsNullOrEmpty(PlaylistName.Text)) { MessageUserControl.ShowInfo("Warning", "Playlist Name is required"); } else { string username = User.Identity.Name; //TrackID is going to come from e.CommandArgument //e.commandArgument is an object, therfore convert to string int trackid = int.Parse(e.CommandArgument.ToString()); // the following code calls a BLL method to add to the database MessageUserControl.TryRun(() => { PlaylistTracksController sysmgr = new PlaylistTracksController(); List <UserPlaylistTrack> refreshresults = sysmgr.Add_TrackToPLaylist(PlaylistName.Text, username, trackid); PlayList.DataSource = refreshresults; PlayList.DataBind(); }, "Success", "track added to playlist"); } }
//this is different than a straight click. Notice the CommandEventArgs parameter. protected void TracksSelectionList_ItemCommand(object sender, ListViewCommandEventArgs e) { //do we have the playlist name if (string.IsNullOrEmpty(PlaylistName.Text)) { //if we don't... MessageUserControl.ShowInfo("Required Data", "You need a play list name to add a track."); } else { //collect the required data for the event string playlistname = PlaylistName.Text; //the user name will come from the form security, so instead we will just use a hardcoded string until we add the security //string username = "******"; string username = User.Identity.Name; //obtain the track id from the ListView. //the track ID will be in the CommandArg property of the ListViewCommandEventArgs e instance int trackid = int.Parse(e.CommandArgument.ToString()); //<-- what comes back is actually an object, so we need to type cast this thing. //the Commandarg in e is returned as an object. Cast it to a string, then you can Parse the string. //using the obtained data, issue your call to the BLL method, this work will be done within 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, and we already have the method to do that, so we are borrowing from our playlist fetch //the REFRESH of the playlist is a READ. List <UserPlaylistTrack> datainfo = sysmgr.List_TracksForPlaylist(playlistname, username); PlayList.DataSource = datainfo; PlayList.DataBind(); }, "Adding a Track", "Success! Track added to playlist!"); } }
protected void TracksSelectionList_ItemCommand(object sender, ListViewCommandEventArgs e) { if (string.IsNullOrEmpty(PlaylistName.Text)) { MessageUserControl.ShowInfo("Warning", "You must supply a playlist name."); } else { //obtain the user name. string username = User.Identity.Name; //obtain the playlist name string playlistname = PlaylistName.Text; int trackid = int.Parse(e.CommandArgument.ToString()); //contect to BLL controller //call required method //refresh the screen //do all this under the user friendly error handler MessageUserControl.TryRun(() => { PlaylistTracksController sysmgr = new PlaylistTracksController(); sysmgr.Add_TrackToPLaylist(playlistname, username, trackid); List <UserPlaylistTrack> results = sysmgr.List_TracksForPlaylist(playlistname, username); PlayList.DataSource = results; PlayList.DataBind(); }, "Playlist Track Added", "You have successfully added a new track to your list."); } }
protected void TracksSelectionList_ItemCommand(object sender, ListViewCommandEventArgs e) { //code to go here //ListViewCommandEventArgs paramenters e contains the CommandArg value if (string.IsNullOrEmpty(PlaylistName.Text)) { MessageUserControl.ShowInfo("Warning", "Playlist Name is required."); } else //If we had something { string username = User.Identity.Name; //Underneath the user class, find the identity, and then take out Name //Trackid is going to come from e.CommandArguement //e.CommandArguement is an object therefore convery to string int trackid = int.Parse(e.CommandArgument.ToString()); //the following code calls a BLL method to add to the database MessageUserControl.TryRun(() => { PlaylistTracksController sysmgr = new PlaylistTracksController(); List <UserPlaylistTrack> refreshresults = sysmgr.Add_TrackToPLaylist(PlaylistName.Text, username, trackid); PlayList.DataSource = refreshresults; PlayList.DataBind(); }, "Sucess", "Track added tp play list"); } }
protected void TracksSelectionList_ItemCommand(object sender, ListViewCommandEventArgs e) { //string username = "******"; string username = User.Identity.Name; //validation of incoming data if (string.IsNullOrEmpty(PlaylistName.Text)) { MessageUserControl.ShowInfo("Missing data", "Enter the playlist name"); } else { //Reminder: MessageUserControl will do the error handling MessageUserControl.TryRun(() => { //coding block for your logic to be run under the error handling // control of MessageUserControl //a trx add to the database //connect to controller PlaylistTracksController sysmgr = new PlaylistTracksController(); //issue the call to the controller method sysmgr.Add_TrackToPLaylist(PlaylistName.Text, username, int.Parse(e.CommandArgument.ToString())); //refresh the playlist List <UserPlaylistTrack> info = sysmgr.List_TracksForPlaylist (PlaylistName.Text, username); PlayList.DataSource = info; PlayList.DataBind(); }, "Add track to Playlist", "Track has been added to the playlist"); } }
protected void TracksSelectionList_ItemCommand(object sender, ListViewCommandEventArgs e) { //code to go here //do we have thge playlist name? if (string.IsNullOrEmpty(PlaylistName.Text)) { MessageUserControl.ShowInfo("Required Data", "Playlist name is required to add a track."); } else { //collect the required 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 = "******"; //obtain the track idea from the listview //the track id will be in the CommandArg property of the ListViewCommandEventArgs e instance. int trackid = (int.Parse(e.CommandArgument.ToString())); //using the obtained data, issue your call to the BLL method. //this work will be done within a TryRun() MessageUserControl.TryRun(() => { PlaylistTracksController sysmgr = new PlaylistTracksController(); sysmgr.Add_TrackToPLaylist(playlistname, username, trackid); //refresh the playlist List <UserPlaylistTrack> datainfo = sysmgr.List_TracksForPlaylist( playlistname, username); PlayList.DataSource = datainfo; PlayList.DataBind(); }, "Adding A Track", "Track has been added to the playlist"); } }
/// <summary> /// Executes on user intiated add track event /// </summary> /// <param name="sender"></param> /// <param name="e"></param> protected void TracksSelectionList_ItemCommand(object sender, ListViewCommandEventArgs e) { if (string.IsNullOrEmpty(PlaylistName.Text)) { MessageUserControl.ShowInfo( "Playlist Name", "Playlist name is required when adding a track."); } else { string username = "******"; // (!) Find via security string playlist = PlaylistName.Text; // Note: TrackID is imbedded on each list row (with the CommandArgument parameter) int trackID = int.Parse(e.CommandArgument.ToString()); // Send data to the BLL MessageUserControl.TryRun(() => { // BLL connection PlaylistTracksController sysmgr = new PlaylistTracksController(); sysmgr.Add_TrackToPLaylist(playlist, username, trackID); // Refresh playlist track listing List <UserPlaylistTrack> Info = sysmgr.List_TracksForPlaylist(playlist, username); PlayList.DataSource = Info; PlayList.DataBind(); }, "Track Added", "Track successfully added to your playlist!"); } }
protected void TracksSelectionList_ItemCommand(object sender, ListViewCommandEventArgs e) { if (string.IsNullOrEmpty(PlaylistName.Text)) { MessageUserControl.ShowInfo("Required data", "play list name is required to add a track"); } else { string playlistname = PlaylistName.Text; string username = "******"; int trackid = int.Parse(e.CommandArgument.ToString()); MessageUserControl.TryRun(() => { PlaylistTracksController sysmgr = new PlaylistTracksController(); sysmgr.Add_TrackToPLaylist(playlistname, username, trackid); List <UserPlaylistTrack> datainfo = sysmgr.List_TracksForPlaylist(playlistname, username); PlayList.DataSource = datainfo; PlayList.DataBind(); } , "Adding a Track", "Track has been added to the playlist"); } }
protected void TracksSelectionList_ItemCommand(object sender, ListViewCommandEventArgs e) { string username = "******"; if (string.IsNullOrEmpty(PlaylistName.Text)) { MessageUserControl.ShowInfo("Missing Data", "Enter the playlist name"); } else { //Your code does not need to have a try catch //the try catch is inbedded within MessageUserControl //the syntax for executing for MessageUserControl // MessageUserControl.TryRun(() => { coding block}, "Success Title","Success message"); MessageUserControl.TryRun(() => { PlaylistTracksController sysmgr = new PlaylistTracksController(); //e is the track id that is passed from the web page sysmgr.Add_TrackToPLaylist(PlaylistName.Text, username, int.Parse(e.CommandArgument.ToString())); List <UserPlaylistTrack> info = sysmgr.List_TracksForPlaylist(PlaylistName.Text, username); PlayList.DataSource = info; PlayList.DataBind(); }, "Add track to playlsit", "Track has been added to the playlist"); } }
protected void TracksSelectionList_ItemCommand(object sender, ListViewCommandEventArgs e) { //ListViewCommandEventArgs parameter e contains the commandarg value (in this case TrackID) if (string.IsNullOrEmpty(PlaylistName.Text)) { MessageUserControl.ShowInfo("", "bad end"); } else { string username = User.Identity.Name; //track id is going to come from e.CommandArgument //e.comarg is Antlr object so needs to be a string int trackid = int.Parse(e.CommandArgument.ToString()); //the following code calls a BLL method to add to the database MessageUserControl.TryRun(() => { PlaylistTracksController sysmgr = new PlaylistTracksController(); List <UserPlaylistTrack> refreshresults = sysmgr.Add_TrackToPLaylist(PlaylistName.Text, username, trackid); PlayList.DataSource = refreshresults; PlayList.DataBind(); }, "Sucess", "Added to Playlist" ); } }
protected void TracksSelectionList_ItemCommand(object sender, ListViewCommandEventArgs e) { string username = "******"; //until security is implemented //form event validation: presence (do i have data?) if (string.IsNullOrEmpty(PlaylistName.Text)) { MessageUserControl.ShowInfo("Missing Data", "Enter a playlist name"); } else { //Reminder: MessageUserControl will do the error handling MessageUserControl.TryRun(() => { //logic for your coding block PlaylistTracksController sysmgr = new PlaylistTracksController(); //access a specific field on the selected ListView row. string song = (e.Item.FindControl("NameLabel") as Label).Text; sysmgr.Add_TrackToPLaylist(PlaylistName.Text, username, int.Parse(e.CommandArgument.ToString()), song); RefreshPlayList(sysmgr, username); }, "Add Track to Playlist", "Track has been added to the playlist."); } }
protected void TracksSelectionList_ItemCommand(object sender, ListViewCommandEventArgs e) { if (string.IsNullOrEmpty(PlaylistName.Text)) { MessageUserControl.ShowInfo("Missing Data", "Enter a playlist name"); } else { string username = "******"; MessageUserControl.TryRun(() => { int trackid = int.Parse(e.CommandArgument.ToString()); PlaylistTracksController sysmgr = new PlaylistTracksController(); sysmgr.Add_TrackToPLaylist(PlaylistName.Text, username, trackid); List <UserPlaylistTrack> info = sysmgr.List_TracksForPlaylist(PlaylistName.Text, username); PlayList.DataSource = info; PlayList.DataBind(); }, "Add Track", "Track has been added to your playlist"); } }
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 required 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 = User.Identity.Name; // obtain the trackid from the ListView // the trackid will be in the CommandArg property of the // ListViewCommandEventArgs e instance // the CommandArgument in e is returned as an object // case it to string, then you can .Parse the string int trackid = int.Parse(e.CommandArgument.ToString()); // using the obtained data, issue your call to the BLL method // this work will be done within 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 which is a READ List <UserPlaylistTrack> datainfo = sysmgr.List_TracksForPlaylist(playlistname, username); PlayList.DataSource = datainfo; PlayList.DataBind(); }, "Adding A Track", "Track Has Been Added To The PlayList"); } }
protected void TracksSelectionList_ItemCommand(object sender, ListViewCommandEventArgs e) { string username = "******"; //Validate playlist exists if (string.IsNullOrEmpty(PlaylistName.Text)) { MessageUserControl.ShowInfo("Missing Data", "Enter a playlist name."); } else { //Reminder: MessageUserControl will do the error handling MessageUserControl.TryRun(() => { PlaylistTracksController sysmgr = new PlaylistTracksController(); sysmgr.Add_TrackToPLaylist(PlaylistName.Text, username, int.Parse(e.CommandArgument.ToString())); RefreshPlaylist(sysmgr, username); }, "Add track to playlist", "Track has been added to the playlist."); } }
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 required data for the event string playlistname = PlaylistName.Text; //the user name will come from the security form, which we don't have at this point. //we will use a hard coded string instead for HansenB string username = User.Identity.Name; //obtain the track id from the ListView //the track id will be in the commandArg property of the // ListViewCommandEventArgs e instance //the commandarg in e is returned as an object and //needs to be cast as a string in order to parse it as an int. int trackid = int.Parse(e.CommandArgument.ToString()); //using the obtained data, issue your call to the BLL method. //this work will be done within a TryRun() as we need some error handling 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 only. List <UserPlaylistTrack> datainfo = sysmgr.List_TracksForPlaylist(playlistname, username); PlayList.DataSource = datainfo; PlayList.DataBind(); }, "Adding a Track", "Track has been added to the playlist"); } }
protected void TracksSelectionList_ItemCommand(object sender, ListViewCommandEventArgs e) { if (string.IsNullOrEmpty(PlaylistName.Text)) { MessageUserControl.ShowInfo("Warning", "You must supply a playlist name."); } else { //obtain the user name. string username = User.Identity.Name; //obtain the playlist name string playlistname = PlaylistName.Text; //the trackid is attached to each ListView row via the CommandArgument parameter //this method does not make the value visible to the user (or in view source unless // the hacker decompressed the hidden data) //access to the trackid is done via the ListViewCommandEventsArgs e and is treated //as an object, thus it needs to be cast to a string for the Parse to work int trackid = int.Parse(e.CommandArgument.ToString()); //contect to BLL controller //call required method //refresh the screen //do all this under the user friendly error handler MessageUserControl.TryRun(() => { PlaylistTracksController sysmgr = new PlaylistTracksController(); sysmgr.Add_TrackToPLaylist(playlistname, username, trackid); List <UserPlaylistTrack> results = sysmgr.List_TracksForPlaylist(playlistname, username); PlayList.DataSource = results; PlayList.DataBind(); }, "Playlist Track Added", "You have successfully added a new track to your list."); } }
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 required data for the event string playlistname = PlaylistName.Text; //The user name will come from the form security //so until security is added, we will use HanseB string username = "******"; //Obtain the TrackId from the listView //the TrackId will be in the CommandArg property of the ListViewCommandEventArg e instance //The CommandArg in e is returned as an object //case it to a string, then you can .Parse the string int trackid = int.Parse(e.CommandArgument.ToString()); //Using the obtained data, issue your call to the BLL Method //This work will be done whinin 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(); }, "Adding a Track", "Track Has been added to the Play List"); } }