// Yeni kitap ekleme
private void btnAdd_Click(object sender, EventArgs e)
{
if (tbBookISBN.Text != "" && dtpBookPublised.Text != "" && tbBookName.Text != "" && tbBookPage.Text != "" && cbBookLang.Text != "" && tbBookDesc.Text != "")
{
books_controller.BookAdd(tbBookISBN.Text, tbBookName.Text, dtpBookPublised.Value.Date.ToString("dd-MM-yyyy"),
tbBookPage.Text, cbBookLang.Text, tbBookDesc.Text, cbBookAuthor.SelectedValue.ToString(), cbBookAuthor.SelectedValue.ToString());
reflesh("books");
}
else
{
MessageBox.Show("Eksik girdiniz!", "BİLGİLENDİRME");
}
}
