private void Button_Click_1(object sender, RoutedEventArgs e)//добавить
{
int sz = 0;
int.TryParse(sizefield.Text, out sz);
string authcode = "";
using (Model1 db = new Model1())
{
var auth = db.authors;
foreach (authors a in auth)
{
if (a.ToString() == authList.SelectedValue.ToString())
{
authcode = a.authornamecode;
}
}
}
book bk = new book(booknamefield.Text, sz, authcode);
using (LibruaryContext db = new LibruaryContext())
{
db.books.Add(bk);
db.SaveChanges();
}
selectALL();
}
private void selectALL()
{
view.Items.Clear();
using (LibruaryContext db = new LibruaryContext())
{
var bok = db.books;
foreach (book b in bok)
{
view.Items.Add(b);
}
}
}
private void Button_Click(object sender, RoutedEventArgs e)//удалить
{
if (view.SelectedIndex > -1)
{
string selected = view.SelectedItem.ToString();
using (LibruaryContext db = new LibruaryContext())
{
var bok = db.books;
foreach (book b in bok)
{
if (b.ToString() == selected)
{
db.books.Remove(b);
}
}
db.SaveChanges();
}
selectALL();
}
}
private void Button_Click_2(object sender, RoutedEventArgs e)//find
{
string bookname = FBN.Text;
using (LibruaryContext db = new LibruaryContext())
{
var b = from d in db.books where d.bookname == bookname select d;
if (b.Count() > 0)
{
foreach (book eachb in b)
{
MessageBox.Show(eachb.ToString());
}
}
else
{
MessageBox.Show("ничего не найдено");
}
}
}
public BookRepository(LibruaryContext context)
{
this.db = context;
}
