private void cobCategories_SelectedIndexChanged(object sender, EventArgs e)
{
Categorie cat = cobCategories.SelectedItem as Categorie;
cobGenres.Items.Clear();
cobGenres.Items.Add(new Genre());
foreach (Genre gen in BookManage.getGenresByCatId(cat.Id))
{
cobGenres.Items.Add(gen);
}
cobGenres.SelectedIndex = 0;
}
private void cobCategories_SelectedIndexChanged(object sender, EventArgs e)
{
Categorie selcat = cobCategories.SelectedItem as Categorie;
cobGenres.Items.Clear();
foreach (Genre gen in BookManage.getGenresByCatId(selcat.Id))
{
cobGenres.Items.Add(gen);
//cobGenres.DisplayMember = "Title";
}
cobGenres.SelectedItem = cobGenres.Items[0];
}
private void FrmManageBook_Load(object sender, EventArgs e)
{
List <Categorie> cats = BookManage.getAllCategories();
foreach (Categorie cat in cats)
{
TreeNode ctn = new TreeNode();
ctn.Text = cat.Title;
ctn.Tag = cat.Id;
foreach (Genre gen in BookManage.getGenresByCatId(cat.Id))
{
TreeNode gtn = new TreeNode();
gtn.Text = gen.Title;
gtn.Tag = gen.Id;
ctn.Nodes.Add(gtn);
}
tvBooks.Nodes.Add(ctn);
}
}
