using MySql.Data.MySqlClient; using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; namespace ekz_lednev { public partial class Form5 : Form { public Form5() { InitializeComponent(); } private void button4_Click(object sender, EventArgs e) { this.Close(); } private void Form5_Load(object sender, EventArgs e) { DB dB = DB.GetInstance(); DataTable dt = new DataTable(); MySqlDataAdapter adp = new MySqlDataAdapter(); MySqlCommand cmd = new MySqlCommand($@" SELECT * From `product_type` ", dB.GetConnection()); adp.SelectCommand = cmd; adp.Fill(dt); dataGridView1.DataSource = dt; } private void button5_Click(object sender, EventArgs e) { MessageBox.Show("Страница работы с доп. информацией"); } private void button1_Click(object sender, EventArgs e) { FormNewDop formNewDop = new FormNewDop(); formNewDop.Show(); } private void button2_Click(object sender, EventArgs e) { FormEditDop formEditDop = new FormEditDop(); formEditDop.Show(); } private void button3_Click(object sender, EventArgs e) { DataGridViewRow dtRow = dataGridView1.SelectedRows[0]; int id = Convert.ToInt32(dtRow.Cells["id"].Value); DB dB = DB.GetInstance(); MySqlCommand cmd = new MySqlCommand($"DELETE FROM `pozorisp_lednev_ekz`.`product_type` WHERE (`id` = '{id}');", dB.GetConnection()); cmd.ExecuteNonQuery(); MessageBox.Show("Удалено!"); Application.Restart(); } } }