private void btnload_Click(object sender, EventArgs e)
{
// Showing table datas in DataGrid
MediaLibraryLogic mediaLibraryLogic = new MediaLibraryLogic();
dataGridView.DataSource = mediaLibraryLogic.MediaList();
}
private void btnpublishyear_Click(object sender, EventArgs e)
{
if (txtpublishyear.Text == "")
{
MessageBox.Show("Please input value");
}
else
{
MediaLibraryLogic libraryLogic = new MediaLibraryLogic();
try // try catch statement
{
dataGridView.DataSource = libraryLogic.ListByPublishYear(Int32.Parse(txtpublishyear.Text));
}
catch (Exception)
{
dataGridView.DataSource = libraryLogic.ListByPublishYear(0);
}
txtpublishyear.Clear();
}
}
private void btngenre_Click(object sender, EventArgs e)
{
if (txtgenre.Text == "")
{
MessageBox.Show("Please input value");
}
else
{
MediaLibraryLogic libraryLogic = new MediaLibraryLogic();
try
{
dataGridView.DataSource = libraryLogic.ListByGenre(txtgenre.Text);
}
catch (Exception)
{
// Showing null if the input User inserted is not in database.
dataGridView.DataSource = libraryLogic.ListByGenre("");
}
txtgenre.Clear();
}
}
