public void edit_book()
{
if (Selected_item == null || string.IsNullOrWhiteSpace(Selected_item.Author))
{
MessageBox.Show("Press the item to delete.");
}
else
{
child_editbook = new EditBookViewModel(Selected_item.Author, Selected_item.Title, Selected_item.Year);
add_edit_view = new edit_add_dialog();
child_editbook.WindowClosed += this.Close_childwindow;
child_editbook.BookEdited += this.Edit_selectedBook;
add_edit_view.DataContext = child_editbook;
add_edit_view.ShowDialog();
}
}
public BookViewModel()
{
source_library model = new source_library();
dtb1 = model.dtb1;
////
collection = new ObservableCollection <Book>();
selected_item = new Book();
_selected = new Combobox_values("");
Author_block = "";
Title_block = "";
foreach (DataRow dr in dtb1.Rows)
{
int index = dtb1.Rows.IndexOf(dr);
int id = (int)dtb1.Rows[index][0];
string addauthor = dtb1.Rows[index][1].ToString();
string addtitle = dtb1.Rows[index][2].ToString();
string addyear = dtb1.Rows[index][3].ToString();
Collection.Add(new Book {
Id = id, Author = addauthor, Title = addtitle, Year = addyear, Selected = false
});
}
this._Book = CollectionViewSource.GetDefaultView(Collection);
FilterCommand = new Command(filter);
ClearCommand = new Command(clear);
DeleteCommand = new Command(delete_selected);
AddnewbookCommand = new Command(add_book);
EditnewbookCommand = new Command(edit_book);
values = new ObservableCollection <Combobox_values>();
values.Add(new Combobox_values(""));
todelete = new ObservableCollection <Book>();
for (int i = DateTime.Now.Year; i > 1700; i--)
{
values.Add(new Combobox_values(i.ToString()));
}
allselected = false;
child_addbook = new AddBookViewModel();
add_edit_view = new edit_add_dialog();
child_addbook.BookAdded += this.OnBookAdded;
child_addbook.WindowClosed += this.Close_childwindow;
}
public void add_book()
{
add_edit_view = new edit_add_dialog();
add_edit_view.DataContext = child_addbook;
add_edit_view.ShowDialog();
}
