private void button1_Click(object sender, EventArgs e) { marketolog mark = new marketolog(); mark.Rek = textBox1.Text; mark.Kol = Convert.ToInt32(textBox2.Text); mark.Price = Convert.ToInt32(textBox3.Text); Program.kafe.marketolog.Add(mark); Program.kafe.SaveChanges(); ShowMark(); }
private void button2_Click(object sender, EventArgs e) { try { if (listView1.SelectedItems.Count == 1) { marketolog mark = listView1.SelectedItems[0].Tag as marketolog; Program.kafe.marketolog.Remove(mark); Program.kafe.SaveChanges(); ShowMark(); } textBox1.Text = ""; textBox2.Text = ""; textBox3.Text = ""; } catch { MessageBox.Show("Невозможно удалить эту запись!", "ОШИБКА!", MessageBoxButtons.OK, MessageBoxIcon.Error); } }