private void btnback_Click(object sender, EventArgs e) { this.Hide(); mainform f = new mainform(); f.Show(); }
private void button1_Click_1(object sender, EventArgs e) { DialogResult resualt = MessageBox.Show("Вы уверены,что хотите удалить заказ?", "Удалить", MessageBoxButtons.YesNo); if (resualt.ToString() == "Yes") { f = true; comboBox4.Enabled = true; comboBox6.Enabled = true; string s = Convert.ToString(ListSell[1].ID); string l = @"Update animals a,bill b set a.count_a=a.count_a+b.count where a.id_a=b.id_a and b.id_sell=" + s + ";"; db.ExecuteNonQuery("zoo.db", l, 0); string k = @"delete from sell a where a.id_sell=" + s + ";"; db.ExecuteNonQuery("zoo.db", k, 0); ListSell.Clear(); MessageBox.Show("Заказ отменен"); button1.Visible = false; btnbasket.Enabled = false; } //add delete sell and bill mainform a = new mainform(); this.Hide(); a.Show(); }
private void LogIn() { string loginuser = tblog.Text; string passuser = tbpas.Text; DataBase db = new DataBase(); DataTable table = new DataTable(); MySqlDataAdapter adapter = new MySqlDataAdapter(); MySqlCommand command = new MySqlCommand("SELECT * FROM `enter` WHERE `login`=@log AND `password`=@pas", db.getconn()); command.Parameters.Add("@log", MySqlDbType.VarChar).Value = loginuser; command.Parameters.Add("@pas", MySqlDbType.VarChar).Value = passuser; adapter.SelectCommand = command; adapter.Fill(table); if (table.Rows.Count > 0) { this.Hide(); mainform f = new mainform(); f.Show(); } else { MessageBox.Show("Такого пользователя нет в системе или неверный пароль", "Ошибка входа", MessageBoxButtons.OK, MessageBoxIcon.Error); } }
private void btnback_Click(object sender, EventArgs e) { this.Hide(); a.Show(); }