private void button10_Click(object sender, EventArgs e)
{
addbook addb = new addbook();
DialogResult result = addb.ShowDialog(this);
if (result == DialogResult.Cancel)
{
return;
}
Books boo = new Books();
boo.bookshifr = int.Parse(addb.textBox1.Text);
boo.name = addb.textBox2.Text;
boo.idauthor = int.Parse(addb.textBox3.Text);
boo.idizdanie = int.Parse(addb.textBox4.Text);
boo.idizdatelstvo = int.Parse(addb.textBox5.Text);
boo.ganr = addb.textBox6.Text;
boo.price = addb.textBox7.Text;
db.Books.Add(boo);
db.SaveChanges();
MessageBox.Show("Новый объект добавлен");
}
private void button2_Click(object sender, EventArgs e)
{
if (dataGridView1.SelectedRows.Count > 0)
{
int index = dataGridView1.SelectedRows[0].Index;
int id = 0;
bool converted = Int32.TryParse(dataGridView1[0, index].Value.ToString(), out id);
if (converted == false)
{
return;
}
Books boo = db.Books.Find(id);
addbook addb = new addbook();
addb.textBox1.Text = boo.bookshifr.ToString();
addb.textBox2.Text = boo.name;
addb.textBox3.Text = boo.idauthor.ToString();
addb.textBox4.Text = boo.idizdanie.ToString();
addb.textBox5.Text = boo.idizdatelstvo.ToString();
addb.textBox6.Text = boo.ganr;
addb.textBox7.Text = boo.price;
DialogResult result = addb.ShowDialog(this);
if (result == DialogResult.Cancel)
{
return;
}
boo.bookshifr = int.Parse(addb.textBox1.Text);
boo.name = addb.textBox2.Text;
boo.idauthor = int.Parse(addb.textBox3.Text);
boo.idizdanie = int.Parse(addb.textBox4.Text);
boo.idizdatelstvo = int.Parse(addb.textBox5.Text);
boo.ganr = addb.textBox6.Text;
boo.price = addb.textBox7.Text;
db.SaveChanges();
dataGridView1.Refresh(); // обновляем грид
MessageBox.Show("Объект обновлен");
}
}