private void btnAddBook_Click(object sender, EventArgs e)
{
if (string.IsNullOrEmpty(txtNameBook.Text))
{
MessageBox.Show("Kitab adi daxil edin");
return;
}
if (string.IsNullOrEmpty(cmbAuthorBook.Text))
{
MessageBox.Show("Yazici secin");
return;
}
if (string.IsNullOrEmpty(cmbJanraBook.Text))
{
MessageBox.Show("Janr secin");
return;
}
if (string.IsNullOrEmpty(dtpDateBook.Text))
{
MessageBox.Show("Tarix secin");
return;
}
if (txtPriceBook.Text == "0")
{
MessageBox.Show("Kitab Qiymetini daxil edin");
return;
}
if (txtQuantityBook.Text == "0")
{
MessageBox.Show("Kitab sayi daxil edin");
return;
}
BookJanra janraid = _context.BookJanras.FirstOrDefault(u => u.Name == cmbJanraBook.Text);
BookAuthor authorId = _context.BookAuthors.FirstOrDefault(u => u.Name == cmbAuthorBook.Text);
Book book = new Book()
{
Name = txtNameBook.Text,
AuthorId = Convert.ToInt32(authorId.Id),
JanraId = Convert.ToInt32(janraid.Id),
PurchaseDate = dtpDateBook.Value,
Prise = txtPriceBook.Value,
Quantity = Convert.ToInt32(txtQuantityBook.Value),
AvaliableQuantity = Convert.ToInt32(txtQuantityBook.Value)
};
_context.Books.Add(book);
_context.SaveChanges();
MessageBox.Show("Kitab Elave olundu");
}
private void btnJanraAdd_Click(object sender, EventArgs e)
{
if (string.IsNullOrEmpty(txtJanra.Text))
{
MessageBox.Show("Janr Elave Edin");
return;
}
BookJanra bookJanra = new BookJanra
{
Name = txtJanra.Text
};
_context.BookJanras.Add(bookJanra);
_context.SaveChanges();
dgvJanras.Rows.Clear();
FillJanras();
}