protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
Header_Label.Text = "Welcome! Please select a book category.";
Item_Listbox.DataSource = books;
Item_Listbox.DataBind();
}
}
protected void Sort_Command(object sender, CommandEventArgs e)
{
if (e.CommandName == "Sort")
{
switch (e.CommandArgument.ToString())
{
case "ASC":
books.Sort(SortASC);
break;
case "DESC":
books.Sort(SortDESC);
break;
}
}
Item_Listbox.DataSource = books;
Item_Listbox.DataBind();
}
private void ShowBooks(string category)
{
Item_Listbox.Items.Clear();
List<string> books = null;
switch(category)
{
case "fiction" :
Header_Label.Text = "Fiction Section";
books = GetFictionBooks();
break;
case "non_fiction":
Header_Label.Text = "Non-Fiction Section";
books = GetNonFictionBooks();
break;
case "self_help":
Header_Label.Text = "Self Help Section";
books = GetSelfHelpBooks();
break;
}
books.Add(GetBookAddedToForm());
Item_Listbox.DataSource = books;
Item_Listbox.DataBind();
}
public void Page_PreRender()
{
Item_Listbox.DataSource = books;
Item_Listbox.DataBind();
}