protected void AlbumFetch_Click(object sender, EventArgs e)
{
//code to go here
TracksBy.Text = "Album";
SearchArgID.Text = AlbumDDL.SelectedValue;
TracksSelectionList.DataBind();
}
protected void ArtistFetch_Click(object sender, EventArgs e)
{
//code to go here
TracksBy.Text = "Artist";
SearchArg.Text = ArtistName.Text;
TracksSelectionList.DataBind();
}
protected void GenreFetch_Click(object sender, EventArgs e)
{
//code to go here
TracksBy.Text = "Genre";
SearchArg.Text = GenreDDL.SelectedValue;
TracksSelectionList.DataBind();
}
protected void MediaTypeFetch_Click(object sender, EventArgs e)
{
//code to go here
TracksBy.Text = "MediaType";
SearchArgID.Text = MediaTypeDDL.SelectedValue;
TracksSelectionList.DataBind();
}
protected void GenreFetch_Click(object sender, EventArgs e)
{
TracksBy.Text = "Genre";
SearchArg.Text = GenreDDL.SelectedValue;
//selected value returns contents as a string
//no need for valdation
TracksSelectionList.DataBind();
}
protected void GenreFetch_Click(object sender, EventArgs e)
{
//code to go here
TracksBy.Text = "Genre";
SearchArgID.Text = GenreDDL.SelectedValue;
//refresh the track list display
TracksSelectionList.DataBind();
}
protected void GenreFetch_Click(object sender, EventArgs e)
{
MessageUserControl.TryRun(() =>
{
SearchArg.Text = GenreDDL.SelectedValue;
TracksBy.Text = "Genre";
TracksSelectionList.DataBind(); //executes ods
}, "Track Search", "Select songs to add to playlist.");
}
protected void GenreFetch_Click(object sender, EventArgs e)
{
MessageUserControl.TryRun(() =>
{
SearchArg.Text = GenreDDL.SelectedValue;
TracksBy.Text = "Genre";
TracksSelectionList.DataBind(); //causes the ODS to execute
}, "Track Search", "Select from the following list to add to your playlist");
}
protected void MediaTypeFetch_Click(object sender, EventArgs e)
{
MessageUserControl.TryRun(() =>
{
SearchArg.Text = MediaTypeDDL.SelectedValue;
TracksBy.Text = "MediaType";
TracksSelectionList.DataBind();
}, "Track Search", "Select from the following list to add to your playlist");
}
protected void MediaTypeFetch_Click(object sender, EventArgs e)
{
MessageUserControl.TryRun(() =>
{
TracksBy.Text = "MediaType";
SearchArgId.Text = MediaTypeDDL.SelectedValue;
TracksSelectionList.DataBind(); //Will force the ODS to execute
});
}
protected void AlbumFetch_Click(object sender, EventArgs e)
{
MessageUserControl.TryRun(() =>
{
TracksBy.Text = "Album";
SearchArgID.Text = AlbumDDL.SelectedValue;
TracksSelectionList.DataBind();//will force the ODS to execute
});
}
protected void AlbumFetch_Click(object sender, EventArgs e)
{
MessageUserControl.TryRun(() =>
{
TracksBy.Text = "Album";
SearchArgID.Text = AlbumDDL.SelectedValue;
TracksSelectionList.DataBind();
}, "Album by Genre", "Add an Album Track to your playlist by clicking on the + (plus sign).");
}
protected void MediaTypeFetch_Click(object sender, EventArgs e)
{
MessageUserControl.TryRun(() =>
{
TracksBy.Text = "Mediatype";
SearchArgID.Text = MediaTypeDDL.SelectedValue;
TracksSelectionList.DataBind();
}, "Tracks by Mediatype", "Add an Mediatype Track to your playlist by clicking on the + (plus sign).");
}
protected void GenreFetch_Click(object sender, EventArgs e)
{
//code to go here
MessageUserControl.TryRun(() =>
{
TracksBy.Text = "Genre";
SearchArgID.Text = GenreDDL.SelectedValue;
TracksSelectionList.DataBind();
}, "Tracks by Genre", "Add an track to your playlist by clicking on the + (plus sign).");
}
protected void ArtistFetch_Click(object sender, EventArgs e)
{
MessageUserControl.TryRun(() =>
{
//code to go here
SearchArg.Text = ArtistName.Text;
TracksBy.Text = "Artist";
TracksSelectionList.DataBind(); //causes the ODS to execute
}, "Track Search", "Please select from the following list to add to your playlist.");
}
protected void AlbumFetch_Click(object sender, EventArgs e)
{
MessageUserControl.TryRun(() =>
{
//code to go here
int id = int.Parse(AlbumDDL.SelectedValue);
SearchArgID.Text = id.ToString();
TracksBy.Text = "Album";
TracksSelectionList.DataBind(); //causes the ODS to execute!!!!!!!!!!!!
}, "Track Search", "Please select from the following list to add to your playlist.");
}
protected void MediaTypeFetch_Click(object sender, EventArgs e)
{
//we don't need to test to see if ther eis something that is needed becaus eit is a drop down list.
//if you put a prompt line, you would have to check for it, but he didn't add one so no check is necessary
MessageUserControl.TryRun(() =>
{
SearchArg.Text = MediaTypeDDL.SelectedValue;
TracksBy.Text = "MediaType";
TracksSelectionList.DataBind(); //this line causes the ODS to execute. So if I need to do it again, then I can just do a data bind.
}, "Track Search", "Select from the following list to add to your playlist.");
}
protected void ArtistFetch_Click(object sender, EventArgs e)
{
//This Message user control for error handling in place of using "Try Catch"
MessageUserControl.TryRun(() =>
{
//code to go here
int id = int.Parse(ArtistDDL.SelectedValue);
SearchArgID.Text = id.ToString();
TracksBy.Text = "Artist";
TracksSelectionList.DataBind(); //This statement causes the ODS to execute
}, "Track Search", "Please select from the following list to add to your playlist.");
}
protected void ArtistFetch_Click(object sender, EventArgs e)
{
MessageUserControl.TryRun(() =>
{
TracksBy.Text = "Artist";
SearchArgID.Text = ArtistDDL.SelectedValue;
TracksSelectionList.DataBind();
},
"Tracks by Artist",
"Add a track to your playlist by clicking (+)");
}
protected void ArtistFetch_Click(object sender, EventArgs e)
{
//validate that data exists if not put out a message
if (string.IsNullOrEmpty(ArtistName.Text))
{
MessageUserControl.ShowInfo("Search entry error", "Enter a artist name or partial artist name, then press your button.");
SearchArg.Text = "dddfgg";
}
TracksBy.Text = "Artist";
SearchArg.Text = ArtistName.Text;
//to force the listview to rebind to execute again
TracksSelectionList.DataBind();
}
protected void MediaTypeDDL_SelectedIndexChanged(object sender, EventArgs e)
{
if (MediaTypeDDL.SelectedIndex == 0)
{
//message to the user
MessageUserControl.ShowInfo("Selection Error", "Enter a media type");
}
else
{
TracksBy.Text = "MediaType";
SearchArg.Text = MediaTypeDDL.SelectedValue;
TracksSelectionList.DataBind();
}
}
protected void ArtistFetch_Click(object sender, EventArgs e)
{
TracksBy.Text = "Artist";
if (string.IsNullOrEmpty(ArtistName.Text))
{
MessageUserControl.ShowInfo("Artist Search", "No artist name was supplied");
}
//HiddentField, though text fields, are accessed by the property Value, NOT Text
SearchArg.Value = ArtistName.Text;
//to cause an ODS to re-execute, you only need to do a .DataBind() against the display control
TracksSelectionList.DataBind();
}
protected void GenreFetch_Click(object sender, EventArgs e)
{
TracksBy.Text = "Genre";
//there is no prompt test needed for this event BECAUSE the dropdownlist
// does not have a prompt
//by default there will always be a value to use
//HiddentField, though text fields, are accessed by the property Value, NOT Text
SearchArg.Value = GenreDDL.SelectedValue.ToString(); //as an integer
//SearchArg.Value = GenreDDL.SelectedItem.Text; //as a string
//to cause an ODS to re-execute, you only need to do a .DataBind() against the display control
TracksSelectionList.DataBind();
}
protected void MediaTypeFetch_Click(object sender, EventArgs e)
{
TracksBy.Text = "MediaType";
//the ddl does not have a prompt line, therefore
// to selection test is requried
//remember: SelectedValue returns contents as a string
SearchArg.Text = MediaTypeDDL.SelectedValue;
//to force the listview to rebind (to execute again)
//NOTE there is NO DataSource assignment as that is
// accomplished using the ODS and a DataSourceID parameter
// on the ListView control
TracksSelectionList.DataBind();
}
protected void ArtistFetch_Click(object sender, EventArgs e)
{
if (string.IsNullOrEmpty(ArtistName.Text))
{
//message to the user
MessageUserControl.ShowInfo("Entry Error", "Select an artist name or part of.");
}
else
{
TracksBy.Text = "Artist";
SearchArg.Text = ArtistName.Text;
TracksSelectionList.DataBind();
}
}
protected void AlbumFetch_Click(object sender, EventArgs e)
{
if (string.IsNullOrEmpty(AlbumTitle.Text))
{
//message to the user
MessageUserControl.ShowInfo("Entry Error", "Enter an album title or part of.");
}
else
{
TracksBy.Text = "Album";
SearchArg.Text = AlbumTitle.Text;
TracksSelectionList.DataBind();
}
}
protected void Page_PreRenderComplete(object sender, EventArgs e)
{
//PreRenderComplete occurs just after databinding page events
//load a pointer to point to your DataPager control
DataPager thePager = TracksSelectionList.FindControl("DataPager1") as DataPager;
if (thePager != null)
{
//this code will check the StartRowIndex to see if it is greater than the
//total count of the collection
if (thePager.StartRowIndex > thePager.TotalRowCount)
{
thePager.SetPageProperties(0, thePager.MaximumRows, true);
}
}
}
protected void AlbumFetch_Click(object sender, EventArgs e)
{
if (string.IsNullOrEmpty(AlbumTitle.Text))
{
MessageUserControl.ShowInfo("Select Error", "You must enter an album title or part of");
TracksBy.Text = "";
SearchArg.Text = "";
}
else
{
TracksBy.Text = "Album";
SearchArg.Text = AlbumTitle.Text;
TracksSelectionList.DataBind(); //force an ODS to re-execute
}
}
protected void MediaTypeDDL_SelectedIndexChanged(object sender, EventArgs e)
{
if (MediaTypeDDL.SelectedIndex == 0)
{
MessageUserControl.ShowInfo("Select Error", "You must select a media type");
TracksBy.Text = "";
SearchArg.Text = "";
}
else
{
TracksBy.Text = "MediaType";
SearchArg.Text = MediaTypeDDL.SelectedValue;
TracksSelectionList.DataBind(); //force an ODS to re-execute
}
}
protected void GenreFetch_Click(object sender, EventArgs e)
{
TracksBy.Text = "Genre";
//the DDL does not have a prompt line therefore
// no selection test required
//REMEMBER: SelectedValue returns contents as a string
SearchArg.Text = GenreDDL.SelectedValue;
//to force the listview to rebind (to execute again)
//NOTE there is NO DataSource assignment as that is
// accomplished using the ODS and a DataSourceID parameter
// on the ListView control
TracksSelectionList.DataBind();
}
