protected void PlayListFetch_Click(object sender, EventArgs e)
{
if (string.IsNullOrEmpty(PlaylistName.Text))
{
MessageUserControl.ShowInfo("Missing Data", "Please Enter the playlist name");
}
else
{
string username = "******"; //Username will come from security once implemented
//MessageUserControl will be used to handle the code behind user friendly error handling
//you will NOT be using try/catch
//your try/catch is embedded within the MessageUserControl class
MessageUserControl.TryRun(() =>
{
PlaylistTracksController sysmgr = new PlaylistTracksController();
List <UserPlaylistTrack> playlistInfo = null;
playlistInfo = sysmgr.List_TracksForPlaylist(PlaylistName.Text, username);
if (playlistInfo == null)
{
throw new Exception("Playlist no longer exists");
}
else
{
PlayList.DataSource = playlistInfo;
PlayList.DataBind();
}
}, "Playlist", "Manage your playlist");//string after successful coding block
}
}
protected void PlayListFetch_Click(object sender, EventArgs e)
{
//standard query
if (string.IsNullOrEmpty(PlaylistName.Text))
{
//put out error message
//this form uses a user control called MessageUserControl
MessageUserControl.ShowInfo("Warning", "Playlist Name is required");
}
else
{
//MessageUserControl has Try Catch coding embedded in the control
MessageUserControl.TryRun(() =>
{
//this is the process coding block to be executed under the "watchful eye" of the MessageUSerControl
//obtain the username from the security part of the application
string username = User.Identity.Name;
PlaylistTracksController sysmgr = new PlaylistTracksController();
List <UserPlaylistTrack> info = sysmgr.List_TracksForPlaylist(PlaylistName.Text, username);
PlayList.DataSource = info;
PlayList.DataBind();
}, "", "Here is your current playlist");
}
}
protected void PlayListFetch_Click(object sender, EventArgs e)
{
//code to go here
if (string.IsNullOrEmpty(PlaylistName.Text))
{
/* use the MessageUserControl method .ShowInfo("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 = User.Identity.Name; // "HansenB";
MessageUserControl.TryRun(() =>
{
PlaylistTracksController sysmgr = new PlaylistTracksController();
List <UserPlaylistTrack> results = sysmgr.List_TracksForPlaylist(
playlistname, username);
PlayList.DataSource = results;
PlayList.DataBind();
}, "Playlist Tracks", "See current tracks on playlist below.");
}
}
protected void PlayListFetch_Click(object sender, EventArgs e)
{
//code to go here
//standard query implementation
if (string.IsNullOrEmpty(PlaylistName.Text))
{
//throw error message
//use usercontrolmessage. MessageUserControl
MessageUserControl.ShowInfo("Warning...", "Playlist Name is required...");
//the user control will be the mechanism to display messages on this form
}
else
{
//no need for try catches, the MEssageUserControl has the trycatch coding built inside it
//
MessageUserControl.TryRun(() =>
{
//this is the process coding block to be executed under the "watchful eye" of the MUC
//
//obtain username from the security part of the application
string username = User.Identity.Name;
PlaylistTracksController sysmgr = new PlaylistTracksController();
List <UserPlaylistTrack> playlist = sysmgr.List_TracksForPlaylist(PlaylistName.Text, username);
PlayList.DataSource = playlist;
PlayList.DataBind();
}, "", "Here is your current 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 PlayListFetch_Click(object sender, EventArgs e)
{
//code to go here
//standard query
if (string.IsNullOrEmpty(PlaylistName.Text))
{
//put out an error message
//this form uses a user control called MessageUserControl
//the user control will be the mechanism to display messages on this form
MessageUserControl.ShowInfo("Warning", "Playlist name is required");
}
else
{
//MessageUserControl already has the try/catch cosing embedded in the control
MessageUserControl.TryRun(() =>
{
//this is the process coding block to be executed under the
//"watchful eye" of the MessageUser control
//obtain the user name from the security part of the application
string username = User.Identity.Name;
PlaylistTracksController sysmgr = new PlaylistTracksController();
List <UserPlaylistTrack> playlist = sysmgr.List_TracksForPlaylist
(PlaylistName.Text, username);
PlayList.DataSource = playlist;
PlayList.DataBind();
}, "//title", "here is yout current plalist.");
}
}
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)
{
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)
{ //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 MoveTrack(int trackid, int tracknumber, string direction)
{
MessageUserControl.TryRun(() => {
PlaylistTracksController sysmgr = new PlaylistTracksController();
sysmgr.MoveTrack("HansenB", PlaylistName.Text, trackid, tracknumber, direction);
}, "Success", "Track has been moved");
}
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)
{
//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 PlayListFetch_Click(object sender, EventArgs e)
{
//username is coming from the system via security
//since security has yet to be installed, a defualt will be setup for the
// username value
//string username = "******";
//now that security is inplace we will use the User instance of get the user name
string username = User.Identity.Name;
if (string.IsNullOrEmpty(PlaylistName.Text))
{
MessageUserControl.ShowInfo("Playlist Search", "No playlist name was supplied.");
}
else
{
//use some user friendly error handling
//the way we are doing the error handling is using MessageUserControl instead
// of try/catch
//MessageUserControl has the try/catch embedded within the control logic
//within the MessageUserControl there exists a method called .TryRun()
//syntax
// MessageUserControl.TryRun( () => {
//
// your coding logic
//
// }[,"message title","success message"]);
//
MessageUserControl.TryRun(() => {
PlaylistTracksController sysmgr = new PlaylistTracksController();
RefreshPlayList(sysmgr, username);
}, "Playlist Search", "View the requested playlist below");
}
}
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 PlayListFetch_Click(object sender, EventArgs e)
{
//code to go here
if (string.IsNullOrEmpty(PlaylistName.Text))
{
MessageUserControl.ShowInfo("Required Data",
"Playlist Name is required to retreive tracks.");
}
else
{
string username = "******";
string playlistname = PlaylistName.Text;
MessageUserControl.TryRun(() => {
PlaylistTracksController sysmgr = new PlaylistTracksController();
List <UserPlaylistTrack> results =
sysmgr.List_TracksForPlaylist(playlistname, username);
if (results.Count() == 0)
{
MessageUserControl.ShowInfo("Check playlist name");
}
PlayList.DataSource = results;
PlayList.DataBind();
});
}
}
protected void PlayListFetch_Click(object sender, EventArgs e)
{
if (string.IsNullOrEmpty(PlaylistName.Text))
{
MessageUserControl.ShowInfo("Required Data",
"Play list name is required to fetch a play list");
}
else
{
string playlistname = PlaylistName.Text;
//until we do security, we will use a hard coded username
//string username = "******";
//Once security is Implemented you can obtain the
//User name from User.Identity Class Property .Name
string username = User.Identity.Name;
//do a standard query lookup to your control
//use MessageUserControl for error handling
MessageUserControl.TryRun(() =>
{
PlaylistTracksController sysmgr = new PlaylistTracksController();
List <UserPlaylistTrack> datainfo = sysmgr.List_TracksForPlaylist(
playlistname, username);
PlayList.DataSource = datainfo;
PlayList.DataBind();
}, "Playlist Tracks", "See current tracks on playlist below");
}
}
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)
{
//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 PlayListFetch_Click(object sender, EventArgs e)
{
//security is yet to be implemented
//this page needs to known the username of the currently logged user
//temporarily we will hard core the username
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 embedded within MessageUserControl
//The syntax for executing with MessageUserControl
// MessageUserControl.TryRun(() => { coding block},"Success Title","Success message");
MessageUserControl.TryRun(() =>
{
PlaylistTracksController sysmgr = new PlaylistTracksController();
List <UserPlaylistTrack> info = sysmgr.List_TracksForPlaylist(PlaylistName.Text, username);
PlayList.DataSource = info;
PlayList.DataBind();
}, "Playlist", "View current songs on playlist");
}
}
protected void PlayListFetch_Click(object sender, EventArgs e)
{
//verify if the data is there
if (string.IsNullOrEmpty(PlaylistName.Text))
{
MessageUserControl.ShowInfo("Required Data", "Play list name is required.");
}
else
{
//call BLL
string playlistname = PlaylistName.Text;
//until we do security, we will use a hard coded username
//string username = "******"; once, security is implemented, you can obtain the user name from user.identity class property .name
string username = User.Identity.Name;
//do a standard query lookup to your controller, use MessageUserControl for error handling
MessageUserControl.TryRun(() =>
{
PlaylistTracksController sysmgr = new PlaylistTracksController();
List <UserPlaylistTrack> datainfo = sysmgr.List_TracksForPlaylist(playlistname, username);
PlayList.DataSource = datainfo; //if nothing is coming back it will show the template
PlayList.DataBind();
}, "Playlist Tracks", "See current tracks on playlist below"
);
}
}
protected void RefreshPlayList(PlaylistTracksController sysmgr, string username)
{
List <UserPlaylistTrack> info = sysmgr.List_TracksForPlaylist(PlaylistName.Text, username);
PlayList.DataSource = info;
PlayList.DataBind();
}
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");
}
}
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)
{
//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 PlayListFetch_Click(object sender, EventArgs e)
{
//username is coming from the system via security
//since security has yet to be installed, a default will be setup for the
// username value
string username = "******";
if (string.IsNullOrEmpty(PlaylistName.Text))
{
MessageUserControl.ShowInfo("Playlist Search", "No playlist name was supplied.");
}
else
{
//use some user friendly error handling
//the way we are doing the error handling is using MessageUserControl instead of
// try/catch.
//MessageUserControl has the try/catch embedded within the control logic.
//Within in the MessageUserControl, there exists a method called ".TryRun()"
//syntax
// MessageUserControl.TryRun( () => {
//
// your coding logic
//
// }[,"Message Title","Success Message"]); ( [] = optional )
MessageUserControl.TryRun(() =>
{
PlaylistTracksController sysmgr = new PlaylistTracksController();
RefreshPlayList(sysmgr, username);
}, "Playlist Search", "View the requested playlist below.");
}
}
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 PlayListFetch_Click(object sender, EventArgs e)
{
//username is coming from the system via security
//since security has yet to be installed, a default will be setup for the
// username value
string username = "******";
if (string.IsNullOrEmpty(PlaylistName.Text))
{
MessageUserControl.ShowInfo("Playlist Search", "No palylist name was supplied");
}
else
{
//use some user friendly error handling
//the way we are doing the error is using MessageUserControl instead of
// using try/catch
//MessageUserControl has the try/catch embedded within the control
//within the MessageUserControl there exists a method called .TryRun()
//syntax
// MessageUserControl.TryRun(() =>{
//
// coding block
//
// }[,"message title","success message"]);
MessageUserControl.TryRun(() =>
{
//code to execute under error handling control of MessageUserControl
PlaylistTracksController sysmgr = new PlaylistTracksController();
List <UserPlaylistTrack> info = sysmgr.List_TracksForPlaylist(PlaylistName.Text, username);
PlayList.DataSource = info;
PlayList.DataBind();
}, "Playlist Search", "View the requested playlist below.");
}
}
