Esempio n. 1
0
        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");
        }
Esempio n. 2
0
        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");
            }
        }