protected void DeleteTrack_Click(object sender, EventArgs e)
{
//code to go here
string username = "******";
if (string.IsNullOrEmpty(PlaylistName.Text))
{
MessageUserControl.ShowInfo("Missing Data", "Enter the playlist name");
}
else
{
if (PlayList.Rows.Count == 0)
{
MessageUserControl.ShowInfo("Missing Data", "You require a playlist to select song(s) to remove.");
}
else
{
//Gather the song(s) to remove. (TrackID)
List <int> trackstodelete = new List <int>();
int rowsSelected = 0;
CheckBox playlistselection = null;
for (int i = 0; i < PlayList.Rows.Count; i++)
{
//
playlistselection = PlayList.Rows[i].FindControl("Selected") as CheckBox;
if (playlistselection.Checked)
{
rowsSelected++;
//step for this
// The Playlist.Rows.... is pointing to the control
//then I turn it into a string
//then I parse it into an int.
trackstodelete.Add(int.Parse((PlayList.Rows[i].FindControl("TrackID") as Label).Text));
}
}
//Check if a song was selected
if (rowsSelected == 0)
{
MessageUserControl.ShowInfo("Missing Data", "You are required to select at least one song to remove");
}
else
{
//ready to process
MessageUserControl.TryRun(() =>
{
PlaylistTracksController sysmgr = new PlaylistTracksController();
sysmgr.DeleteTracks(username, PlaylistName.Text, trackstodelete);
List <UserPlaylistTrack> info = sysmgr.List_TracksForPlaylist(PlaylistName.Text, username);
PlayList.DataSource = info;
PlayList.DataBind();
}, "Song Removal", "Song(s) have been removed");
}
}
}
}
protected void DeleteTrack_Click(object sender, EventArgs e)
{
//code to go here
if (string.IsNullOrEmpty(PlaylistName.Text))
{
MessageUserControl.ShowInfo("Required Data",
"Play list name is required to add a track");
}
else
{
if (PlayList.Rows.Count == 0)
{
MessageUserControl.ShowInfo("Required Data",
"No playlist is available. Retreive your playlist.");
}
else
{
//traverse the geidview and collect the list of tracks to remove
List <int> trackstodelete = new List <int>();
int rowsSelected = 0;
CheckBox playlistselection = null;
for (int rowindex = 0; rowindex < PlayList.Rows.Count; rowindex++)
{
//access the checkbox control on the indexed GridViewRow
//set the CheckBox pointer to this checkbox control
playlistselection = PlayList.Rows[rowindex].FindControl("Selected") as CheckBox;
if (playlistselection.Checked)
{
//increase selected number of rows
rowsSelected++;
//gather the data needed for the BLL call
trackstodelete.Add(int.Parse((PlayList.Rows[rowindex].FindControl("TrackID")
as Label).Text));
}
}
if (rowsSelected == 0)
{
MessageUserControl.ShowInfo("Required Data",
"You must select at least on track to remove.");
}
else
{
//send list of tracks to be remove by BLL
MessageUserControl.TryRun(() =>
{
PlaylistTracksController sysmgr = new PlaylistTracksController();
//there is ONLY one call to remove the data to the database
sysmgr.DeleteTracks(User.Identity.Name, PlaylistName.Text, trackstodelete);
//refresh the playlist is a READ
List <UserPlaylistTrack> datainfo = sysmgr.List_TracksForPlaylist(
PlaylistName.Text, User.Identity.Name);
PlayList.DataSource = datainfo;
PlayList.DataBind();
}, "Remove Track(s)", "Track has been removed from the playlist");
}
}
}
}
protected void DeleteTrack_Click(object sender, EventArgs e)
{
//code to go here
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
{
if (PlayList.Rows.Count == 0)
{
MessageUserControl.ShowInfo("track removal", "no rows to select from");
}
else
{
//collect the selected tracks
List <int> trackids = new List <int>();
int rowselected = 0;
CheckBox trackSelection = null;
//traverse the gridview controll playlist
//could use FOREACH here
for (int i = 0; i < PlayList.Rows.Count; i++)
{
//point to the checkbox control on the gridview row
trackSelection = PlayList.Rows[i].FindControl("Selected") as CheckBox;
//Test the setting of the Checkbox
if (trackSelection.Checked)
{
rowselected++;
trackids.Add(int.Parse((PlayList.Rows[i].FindControl("TrackId") as Label).Text));
}
}
//was a song selected?
if (rowselected == 0)
{
MessageUserControl.ShowInfo("missing data", "no selected tracks");
}
else
{
//data collected - send for processing
MessageUserControl.TryRun(() =>
{
PlaylistTracksController sysmgr = new PlaylistTracksController();
sysmgr.DeleteTracks(username, PlaylistName.Text, trackids);
RefreshPlaylist(sysmgr, username);
}, "track removal", "great success");
}
}
}
}
protected void DeleteTrack_Click(object sender, EventArgs e)
{
if (PlayList.Rows.Count == 0)
{
MessageUserControl.ShowInfo("Information", "you need to retrive a play list before deleting");
}
else
{
if (string.IsNullOrEmpty(PlaylistName.Text))
{
MessageUserControl.ShowInfo("Information", "you need to supply the play list name");
}
else
{
//colection the tracks to delete
List <int> trackstodelete = new List <int>();
int selectedrows = 0;
CheckBox theBox = null;
for (int i = 0; i < PlayList.Rows.Count; i++)
{
theBox = PlayList.Rows[i].FindControl("Selected") as CheckBox;
if (theBox.Checked)
{
//Label agvrow = PlayList.Rows[i].FindControl("Selected") as Label;
//int trackid = int.Parse(agvrow.Text);
//trackstodelete.Add(trackid);
trackstodelete.Add(int.Parse((PlayList.Rows[i].FindControl("Selected") as Label).Text));
selectedrows++;
}
if (selectedrows == 0)
{
MessageUserControl.ShowInfo("Information", "you need to select one or more tracks to remove");
}
else
{
//at this point you have your data for BLL processing
MessageUserControl.TryRun(() =>
{
PlaylistTracksController sysmgr = new PlaylistTracksController();
sysmgr.DeleteTracks(User.Identity.Name, PlaylistName.Text, trackstodelete);
List <UserPlaylistTrack> info = sysmgr.List_TracksForPlaylist(PlaylistName.Text, User.Identity.Name);
PlayList.DataSource = info;
PlayList.DataBind();
}, "Success", "Tracks Removed");
}
}
}
}
}
protected void DeleteTrack_Click(object sender, EventArgs e)
{
//code to go here
string username = "******";
if (string.IsNullOrEmpty(PlaylistName.Text))
{
MessageUserControl.ShowInfo("Missing Data", "Enter a playlist name");
}
else
{
if (PlayList.Rows.Count == 0)
{
MessageUserControl.ShowInfo("Track Removal", "You must a have a playlist");
}
else
{
List <int> trackids = new List <int>();
int rowsSelected = 0;
CheckBox trackSelection = null;
//treverse the grid view control PlayList
//you could do the same code using foreach()
foreach (GridViewRow row in PlayList.Rows)
{
trackSelection = row.FindControl("Selected") as CheckBox;
if (trackSelection.Checked)
{
rowsSelected++;
trackids.Add(int.Parse((row.FindControl("TrackId") as Label).Text));
}
}
if (rowsSelected == 0)
{
MessageUserControl.ShowInfo("Delete Concern", "You must select at least on song to remove");
}
else
{
MessageUserControl.TryRun(() =>
{
var sysmgr = new PlaylistTracksController();
sysmgr.DeleteTracks(username, PlaylistName.Text, trackids);
RefreshPlayList(sysmgr, username);
}, "Track Removal", "Record(s) successfully deleted");
}
}
}
}
protected void DeleteTrack_Click(object sender, EventArgs e)
{
if (string.IsNullOrEmpty(PlaylistName.Text))
{
MessageUserControl.ShowInfo("Playlist name is required.");
}
else
{
if (PlayList.Rows.Count == 0)
{
MessageUserControl.ShowInfo("Playlist is empty.");
}
else
{
// Retrieve all rows marked for deletion
List <int> TracksToDelete = new List <int>(); // Delete by track number
int rowSelections = 0;
CheckBox playlistRow = null;
for (int i = 0; i < PlayList.Rows.Count; i++)
{
playlistRow = PlayList.Rows[i].FindControl("Selected") as CheckBox;
if (playlistRow.Checked)
{
rowSelections++;
TracksToDelete.Add(int.Parse(
(PlayList.Rows[i].FindControl("TrackID") as Label)
.Text));
}
}
// Ensure one or more tracks were selected
if (rowSelections > 0)
{
MessageUserControl.TryRun(() =>
{
PlaylistTracksController sysmgr = new PlaylistTracksController();
sysmgr.DeleteTracks("HansenB", PlaylistName.Text, TracksToDelete);
// Refresh playlist track listing
List <UserPlaylistTrack> Info = sysmgr.List_TracksForPlaylist(PlaylistName.Text, "HansenB");
PlayList.DataSource = Info;
PlayList.DataBind();
},
"Track(s) Removed",
"Selected tracks successfully removed from the playlist.");
}
else
{
MessageUserControl.ShowInfo("Warning", "No track selections were made.");
}
}
}
}
protected void DeleteTrack_Click(object sender, EventArgs e)
{
if (string.IsNullOrEmpty(PlaylistName.Text))
{
MessageUserControl.ShowInfo("Required Data", "PlayList Name is Required to ADD a Track");
}
else
{
if (PlayList.Rows.Count == 0)
{
MessageUserControl.ShowInfo("Required Data", "No Play List is available. Retrieve your playlist");
}
else
{
//Traverse the firdview and collect the list of tracks to remove.
List <int> tracktodelete = new List <int>();
int rowSelected = 0;
CheckBox playlistselection = null;
for (int rowindex = 0; rowindex < PlayList.Rows.Count; rowindex++)
{
//Access the control on the indexed GridViewRow
//Set the CheckBox pointer to this checkbox control
playlistselection = PlayList.Rows[rowindex].FindControl("Selected") as CheckBox;
if (playlistselection.Checked)
{
//Increment selected number of rows
rowSelected++;
//Gather the data needed for the BLL call.
tracktodelete.Add(int.Parse((PlayList.Rows[rowindex].FindControl("TrackID") as Label).Text));
}
}
if (rowSelected == 0)
{
MessageUserControl.ShowInfo("Required Data", "PlayList Name is Required to Remove a Track");
}
else
{
//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.DeleteTracks(User.Identity.Name, PlaylistName.Text, tracktodelete);
//Refresh the PlayList is a READ
List <UserPlaylistTrack> datainfo = sysmgr.List_TracksForPlaylist(PlaylistName.Text, User.Identity.Name);
PlayList.DataSource = datainfo;
PlayList.DataBind();
}, "Deleting a Track", "Track Has been Deleted from the Play List");
}
}
}
}
protected void DeleteTrack_Click(object sender, EventArgs e)
{
string username = "******"; //until security is implemented
//form event validation: presence
if (string.IsNullOrEmpty(PlaylistName.Text))
{
MessageUserControl.ShowInfo("Missing Data", "Enter a playlist name");
}
else
{
if (PlayList.Rows.Count == 0)
{
MessageUserControl.ShowInfo("Track Removal", "You must have a play list visible to choose removals. Select from the displayed playlist.");
}
else
{
//collect the tracks indicated on the playlist for removal
List <int> trackids = new List <int>();
int rowsSelected = 0;
CheckBox trackSelection = null;
//traverse the gridview control PlayList
//you could do this same code using a foreah()
for (int i = 0; i < PlayList.Rows.Count; i++)
{
//point to the checkbox control on the gridview row
trackSelection = PlayList.Rows[i].FindControl("Selected") as CheckBox;
//test the setting of the checkbox
if (trackSelection.Checked)
{
rowsSelected++;
trackids.Add(int.Parse((PlayList.Rows[i].FindControl("TrackId") as Label).Text));
}
}
//was a song selected
if (rowsSelected == 0)
{
MessageUserControl.ShowInfo("Missing Data", "You must select at least one song to remove.");
}
else
{
//data collected, send for processing
MessageUserControl.TryRun(() =>
{
PlaylistTracksController sysmgr = new PlaylistTracksController();
sysmgr.DeleteTracks(username, PlaylistName.Text, trackids);
RefreshPlayList(sysmgr, username);
}, "Track removal", "Selected track(s) have been removed from the playlist.");
}
}
}
}
protected void DeleteTrack_Click(object sender, EventArgs e)
{
//code to go here
//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
{
if (PlayList.Rows.Count == 0)
{
MessageUserControl.ShowInfo("Missing data", "You need to select from an displayed play list.");
}
else
{
//collect all trackids that are to be removed
//at least one track must be selected
CheckBox rowSelected = null;
List <int> trackids = new List <int>();
for (int i = 0; i < PlayList.Rows.Count; i++)
{
rowSelected = PlayList.Rows[i].FindControl("Selected") as CheckBox;
if (rowSelected.Checked)
{
trackids.Add(int.Parse((PlayList.Rows[i].FindControl("TrackID") as Label).Text));
}
}
if (trackids.Count == 0)
{
MessageUserControl.ShowInfo("Remove Tracks", "You must select at least one track to remove");
}
else
{
MessageUserControl.TryRun(() => {
PlaylistTracksController sysmgr = new PlaylistTracksController();
sysmgr.DeleteTracks(username, PlaylistName.Text, trackids);
//refresh the playlist
List <UserPlaylistTrack> info = sysmgr.List_TracksForPlaylist
(PlaylistName.Text, username);
PlayList.DataSource = info;
PlayList.DataBind();
}, "Remove Track(s)", "Track has been removed from the playlist");
}
}
}
}
protected void DeleteTrack_Click(object sender, EventArgs e)
{
string username = "******";
if (string.IsNullOrEmpty(PlaylistName.Text))
{
MessageUserControl.ShowInfo("Missing Data", "Enter a Playlist name");
}
else
{
if (PlayList.Rows.Count == 0)
{
MessageUserControl.ShowInfo("Missing Data", "Playlist has no tracks to delete.");
}
else
{
//gathering data
List <int> trackstodelete = new List <int>();
int rowsSelected = 0;
CheckBox playlistSelection = null;
//loop through entire rows that currently exist.
for (int i = 0; i < PlayList.Rows.Count; i++)
{
playlistSelection = PlayList.Rows[i].FindControl("Selected") as CheckBox;
if (playlistSelection.Checked)
{
rowsSelected++;
trackstodelete.Add(int.Parse((PlayList.Rows[i].FindControl("TrackID") as Label).Text));
}
}
//was at least one row selected ?
if (rowsSelected == 0)
{
MessageUserControl.ShowInfo("Missing data", "You must select at least one track to remove.");
}
else
{
//process delete
MessageUserControl.TryRun(() =>
{
PlaylistTracksController sysmgr = new PlaylistTracksController();
sysmgr.DeleteTracks(username, PlaylistName.Text, trackstodelete);
List <UserPlaylistTrack> info = sysmgr.List_TracksForPlaylist(PlaylistName.Text, username);
PlayList.DataSource = info;
PlayList.DataBind();
}, "Remove Tracks", "Tracks successfully removed.");
}
}
}
}
protected void DeleteTrack_Click(object sender, EventArgs e)
{
if (string.IsNullOrEmpty(PlaylistName.Text))
{
MessageUserControl.ShowInfo("Track Removal",
"You must have a play list name.");
}
else
{
if (PlayList.Rows.Count == 0)
{
MessageUserControl.ShowInfo("Track Removal",
"You must have a play list to view.");
}
else
{
//collect the tracks to remove
List <int> trackids = new List <int>();
int rowsSelected = 0;
CheckBox trackSelection = null;
for (int i = 0; i < PlayList.Rows.Count; i++)
{
trackSelection = PlayList.Rows[i].FindControl("Selected") as CheckBox;
if (trackSelection.Checked)
{
rowsSelected++;
trackids.Add(int.Parse((PlayList.Rows[i].FindControl("TrackId") as Label).Text));
}
}
//was a song selected
if (rowsSelected == 0)
{
MessageUserControl.ShowInfo("Tack Removal",
"You must select at least one track to remove");
}
else
{
//string username = "******";
string username = User.Identity.Name;
MessageUserControl.TryRun(() => {
PlaylistTracksController sysmgr = new PlaylistTracksController();
sysmgr.DeleteTracks(username, PlaylistName.Text, trackids);
List <UserPlaylistTrack> info = sysmgr.List_TracksForPlaylist(PlaylistName.Text, username);
PlayList.DataSource = info;
PlayList.DataBind();
}, "Track Removal", "Selected track(s) has been removed from the play lsit");
}
}
}
}
protected void DeleteTrack_Click(object sender, EventArgs e)
{
//check for playlist name
if (string.IsNullOrEmpty(PlaylistName.Text))
{
MessageUserControl.ShowInfo("Required Data ", "Deleting a track requires a playlist name.");
}
else
{
//check for tracks on playlist
if (PlayList.Rows.Count == 0)
{
MessageUserControl.ShowInfo("Required Data ", "No playlist available. Fetch a playlist first.");
}
else
{
//find playlist tracks
List <int> toDelete = new List <int>();
int rowSelected = 0;
CheckBox playlistSelection = null;
for (int index = 0; index < PlayList.Rows.Count; index++)
{
//set playlistSelection to the checkbox control on the gridview row
playlistSelection = PlayList.Rows[index].FindControl("Selected") as CheckBox;
if (playlistSelection.Checked)
{
rowSelected -= -1;
toDelete.Add(int.Parse((PlayList.Rows[index].FindControl("TrackID") as Label).Text));
}
}
//check for rows to delete
if (rowSelected == 0)
{
MessageUserControl.ShowInfo("Required Data ", "Select at least one track to remove.");
}
else
{
//send list to BLL controller
MessageUserControl.TryRun(() =>
{
PlaylistTracksController controller = new PlaylistTracksController();
controller.DeleteTracks(User.Identity.Name, PlaylistName.Text, toDelete);
List <UserPlaylistTrack> info = controller.List_TracksForPlaylist(PlaylistName.Text, User.Identity.Name); //read data back to user
PlayList.DataSource = info;
PlayList.DataBind();
}, "Removed track", "Track has been removed from playlist.");
}
}
}
}
protected void DeleteTrack_Click(object sender, EventArgs e)
{
string username = "******";
if (string.IsNullOrEmpty(PlaylistName.Text))
{
MessageUserControl.ShowInfo("Missing Data", "Enter the playlist name");
}
else
{
if (PlayList.Rows.Count == 0)
{
MessageUserControl.ShowInfo("Missing Data", "You required a play list from which to select song(s) to remove.");
}
else
{
//gather the songs to remove (TrackID)
List <int> trackstodelete = new List <int>();
int rowsSelected = 0;
CheckBox playlistselection = null;
for (int i = 0; i < PlayList.Rows.Count; i++)
{
playlistselection = PlayList.Rows[i].FindControl("Selected") as CheckBox;
if (playlistselection.Checked)
{
rowsSelected++;
trackstodelete.Add(int.Parse((PlayList.Rows[i].FindControl("TrackID") as Label).Text));
}
}
//was a song selected
if (rowsSelected == 0)
{
MessageUserControl.ShowInfo("Missing Data",
"You required to select at least one song(s) to remove.");
}
else
{
//ready to process
MessageUserControl.TryRun(() => {
PlaylistTracksController sysmgr = new PlaylistTracksController();
sysmgr.DeleteTracks(username, PlaylistName.Text, trackstodelete);
List <UserPlaylistTrack> info = sysmgr.List_TracksForPlaylist(PlaylistName.Text, username);
PlayList.DataSource = info;
PlayList.DataBind();
}, "Track Removal", "Song(s) have been removed.");
}
}
}
}
protected void DeleteTrack_Click(object sender, EventArgs e)
{
//is there a playlist displayed
if (PlayList.Rows.Count == 0)
{
MessageUserControl.ShowInfo("Warning", "No playlist has been retreived.");
}
else
{
//check playlist name is present
if (string.IsNullOrEmpty(PlaylistName.Text))
{
MessageUserControl.ShowInfo("Warning", "You must have a playlist name.");
}
else
{
//check at least one item checked
//collect trackids (hidden)
List <int> trackstodelete = new List <int>();
int rowsselected = 0;
CheckBox playlistselection = null;
for (int i = 0; i < PlayList.Rows.Count; i++)
{
playlistselection = PlayList.Rows[i].FindControl("Selected") as CheckBox;
if (playlistselection.Checked)
{
trackstodelete.Add(int.Parse((PlayList.Rows[i].FindControl("TrackId") as Label).Text));
rowsselected++;
}
}
if (rowsselected == 0)
{
MessageUserControl.ShowInfo("Warning", "Select one or more tracks to delete.");
}
else
{
//call delete
MessageUserControl.TryRun(() =>
{
PlaylistTracksController sysmgr = new PlaylistTracksController();
sysmgr.DeleteTracks(User.Identity.Name, PlaylistName.Text, trackstodelete);
List <UserPlaylistTrack> playlistdata = sysmgr.List_TracksForPlaylist(PlaylistName.Text,
User.Identity.Name);
PlayList.DataSource = playlistdata;
PlayList.DataBind();
}, "Removed", "Tracks has been removed.");
}
}
}
}
protected void DeleteTrack_Click(object sender, EventArgs e)
{
//code to go here
if (string.IsNullOrEmpty(PlaylistName.Text))
{
MessageUserControl.ShowInfo("Delete Tracks", "You need to look up your Playlist to select tracks to delete.");
}
else
{
if (PlayList.Rows.Count == 0)
{
MessageUserControl.ShowInfo("Delete Tracks", "Playlist is required.");
}
else
{
//gather data neccessary for deleting
List <int> trackstodelete = new List <int>();
int rowsselected = 0;
CheckBox playlistselection = null;
for (int i = 0; i < PlayList.Rows.Count; i++)
{
playlistselection = PlayList.Rows[i].FindControl("Selected") as CheckBox;
if (playlistselection.Checked)
{
rowsselected++;
trackstodelete.Add(int.Parse((PlayList.Rows[i].FindControl("TrackID") as Label).Text));
}
}
//was atleast one track selected
if (rowsselected == 0)
{
MessageUserControl.ShowInfo("Delete Tracks", "Select atleast one track from the Playlist.");
}
else
{
MessageUserControl.TryRun(() =>
{
// pass on the data to do the delete in BLL when finished do refresh the list
PlaylistTracksController sysmgr = new PlaylistTracksController();
sysmgr.DeleteTracks(User.Identity.Name, PlaylistName.Text, trackstodelete);
List <UserPlaylistTrack> datainfo = sysmgr.List_TracksForPlaylist(PlaylistName.Text, User.Identity.Name);
PlayList.DataSource = datainfo;
PlayList.DataBind();
}, "Delete Tracks", "Tracks have been removed");
}
}
}
}
protected void DeleteTrack_Click(object sender, EventArgs e)
{
if (string.IsNullOrEmpty(PlaylistName.Text))
{
MessageUserControl.ShowInfo("Required data", "playlist name is required to add a track");
}
else
{
if (PlayList.Rows.Count == 0)
{
MessageUserControl.ShowInfo("required data", "no playlist is available review you playlist");
}
else
{
List <int> tracktodelete = new List <int>();
int rowselectd = 0;
CheckBox playlistselection = null;
for (int i = 0; i <= PlayList.Rows.Count; i++)
{
playlistselection = PlayList.Rows[i].FindControl("selectd") as CheckBox;
if (playlistselection.Checked)
{
rowselectd++;
tracktodelete.Add(int.Parse((PlayList.Rows[i].FindControl("trackid") as Label).Text));
}
}
if (rowselectd == 0)
{
MessageUserControl.ShowInfo("Requried Data", "you must select at least one track to remove.");
}
else
{
MessageUserControl.TryRun(() =>
{
PlaylistTracksController sysmgr = new PlaylistTracksController();
sysmgr.DeleteTracks("HansenB", PlaylistName.Text, tracktodelete);
List <UserPlaylistTrack> datainfo = sysmgr.List_TracksForPlaylist(PlaylistName.Text, "HansenB");
PlayList.DataSource = datainfo;
PlayList.DataBind();
}
, "Adding a Track", "Track has been added to the playlist");
}
}
}
}
protected void DeleteTrack_Click(object sender, EventArgs e)
{
if (string.IsNullOrEmpty(PlaylistName.Text))
{
MessageUserControl.ShowInfo("Enter a PlayList name");
}
else
{
if (PlayList.Rows.Count == 0)
{
MessageUserControl.ShowInfo("PlayList has no tracks to delete");
}
else
{
//gather all selected rows
List <int> trackstodelete = new List <int>();
int rowselected = 0;
CheckBox playlistselection = null;
for (int rowindex = 0; rowindex < PlayList.Rows.Count; rowindex++)
{
playlistselection = PlayList.Rows[rowindex].FindControl("Selected") as CheckBox;
if (playlistselection.Checked)
{
rowselected++;
trackstodelete.Add(int.Parse((PlayList.Rows[rowindex].FindControl("TrackID") as Label).Text));
}
}
//was at least one track selected
if (rowselected == 0)
{
MessageUserControl.ShowInfo("Warning", "you must select atleast one track to delete");
}
else
{
//send the list of tracks to the the BLL to delete
MessageUserControl.TryRun(() =>
{
PlaylistTracksController sysmgr = new PlaylistTracksController();
sysmgr.DeleteTracks("HandyHansen", PlaylistName.Text, trackstodelete);
List <UserPlaylistTrack> info = sysmgr.List_TracksForPlaylist(PlaylistName.Text, "HandyHansen");
PlayList.DataSource = info;
PlayList.DataBind();
}, "Removed", "Tracks have been removed");
}
}
}
}
protected void DeleteTrack_Click(object sender, EventArgs e)
{
//code to go here
if (PlayList.Rows.Count == 0)
{
MessageUserControl.ShowInfo("Warning", "No playlist has been retrieved");
}
else
{
if (string.IsNullOrEmpty(PlaylistName.Text))
{
MessageUserControl.ShowInfo("Warning", "No playlist name has been entered.");
}
else
{
//collect the selected tracks to delete
List <int> trackstodelete = new List <int>();
int selectedrows = 0;
CheckBox playlistselection = null;
for (int i = 0; i < PlayList.Rows.Count; i++)
{
playlistselection = PlayList.Rows[i].FindControl("Selected") as CheckBox;
if (playlistselection.Checked)
{
trackstodelete.Add(int.Parse((PlayList.Rows[i].FindControl("TrackId") as Label).Text));
selectedrows++;
}
}
if (selectedrows == 0)
{
MessageUserControl.ShowInfo("Information", "No playlist tracks has been selected.");
}
else
{
//at this point you have your required data
//send to bll for processing
MessageUserControl.TryRun(() =>
{
PlaylistTracksController sysmgr = new PlaylistTracksController();
List <UserPlaylistTrack> playlistdata = sysmgr.DeleteTracks(User.Identity.Name, PlaylistName.Text, trackstodelete);
//refresh what you have to
PlayList.DataSource = playlistdata;
PlayList.DataBind();
}, "Removed", "Tracks have been removed");
}
}
}
}
protected void DeleteTrack_Click(object sender, EventArgs e)
{
if (PlayList.Rows.Count == 0)
{
MessageUserControl.ShowInfo("BAD", "No playlist has been retrieved");
}
else
{
if (String.IsNullOrEmpty(PlaylistName.Text))
{
MessageUserControl.ShowInfo("bad", "no playlist name. gimee");
}
else
{
//colelct the selecte tracks to delete
//amke sure there are at least 1
List <int> tracktodelete = new List <int>();
int selectedrows = 0;
CheckBox playlistselection = null;
for (int i = 0; i < PlayList.Rows.Count; i++)
{
playlistselection = PlayList.Rows[i].FindControl("Selected") as CheckBox;
if (playlistselection.Checked)
{
tracktodelete.Add(int.Parse((PlayList.Rows[i].FindControl("TrackId") as Label).Text));
selectedrows++;
}
}
if (selectedrows == 0)
{
MessageUserControl.ShowInfo("bad", "no track selected to delete");
}
else
{
//you got what you need
//send to bll for processing
MessageUserControl.TryRun(() =>
{
PlaylistTracksController sysmgr = new PlaylistTracksController();
List <UserPlaylistTrack> playlistdata = sysmgr.DeleteTracks(User.Identity.Name, PlaylistName.Text, tracktodelete);
PlayList.DataSource = playlistdata;
PlayList.DataBind();
}, "Removed", "Tracks have been removed from playlist");
}
}
}
}
protected void DeleteTrack_Click(object sender, EventArgs e)
{
//code to go here
if (string.IsNullOrEmpty(PlaylistName.Text))
{
MessageUserControl.ShowInfo("Required data", "Play list name is required to add a track");
}
else
{
if (PlayList.Rows.Count == 0)
{
MessageUserControl.ShowInfo("Required Data", "No playlist is avaiblis.");
}
else
{
//traverse the gridview and collect the list of tracks to revmoce
List <int> trackstodelete = new List <int>();
int rowselected = 0;
CheckBox playlistselection = null;
for (int rowindex = 0; rowindex < PlayList.Rows.Count; rowindex++)
{
playlistselection = PlayList.Rows[rowindex].FindControl("Selected") as CheckBox;
if (playlistselection.Checked)
{
rowselected++;
trackstodelete.Add(int.Parse((PlayList.Rows[rowindex].FindControl("TrackID") as Label).Text));
}
}
if (rowselected == 0)
{
MessageUserControl.ShowInfo("Required data", "Selected at least one track to remove");
}
else
{
//send list of tracks to be removed by BLL
MessageUserControl.TryRun(() =>
{
PlaylistTracksController sysmgr = new PlaylistTracksController();
sysmgr.DeleteTracks(User.Identity.Name, PlaylistName.Text, trackstodelete);
List <UserPlaylistTrack> datainfo = sysmgr.List_TracksForPlaylist(PlaylistName.Text, User.Identity.Name);
PlayList.DataSource = datainfo;
PlayList.DataBind();
}, "Removing a Track", "Track has been removed from playlist");
}
}
}
}
protected void DeleteTrack_Click(object sender, EventArgs e)
{
//code to go here
string username = "******";
if (string.IsNullOrEmpty(PlaylistName.Text))
{
MessageUserControl.ShowInfo("Missing Data", "Enter a playlist name");
}
else
{
if (PlayList.Rows.Count == 0)
{
MessageUserControl.ShowInfo("Missing Data", "Playlist has no tracks to remove.");
}
else
{
List <int> tracksToDelete = new List <int>();
int rowsSelected = 0;
CheckBox playlistSelection = null;
for (int i = 0; i < PlayList.Rows.Count; i++)
{
playlistSelection = PlayList.Rows[i].FindControl("Selected") as CheckBox;
if (playlistSelection.Checked)
{
rowsSelected++;
tracksToDelete.Add(int.Parse((PlayList.Rows[i].FindControl("TrackID") as Label).Text));
if (rowsSelected == 0)
{
MessageUserControl.ShowInfo("No data", "You must select at least one track to remove");
}
else
{
MessageUserControl.TryRun(() => {
PlaylistTracksController sysmgr = new PlaylistTracksController();
sysmgr.DeleteTracks(username, PlaylistName.Text, tracksToDelete);
List <UserPlaylistTrack> info = sysmgr.List_TracksForPlaylist(PlaylistName.Text, username);
PlayList.DataSource = info;
PlayList.DataBind();
}, "Remove Tracks", "Track(s) have been Removed");
}
}
}
}
}
}
