86 lines
2.6 KiB
C#
86 lines
2.6 KiB
C#
using MySql.Data.MySqlClient;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace NeshinaPolina07_11
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{
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public partial class _3Menu : Form
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{
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public _3Menu()
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{
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InitializeComponent();
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this.Text = "Пользователь";
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}
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private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
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{
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}
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private void _3Menu_Load(object sender, EventArgs e)
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{
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try
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{
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var db = DB.GetInstance();
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var connection = db.GetConnection();
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string query = @"
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SELECT
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p.product_id,
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p.product_article,
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p.product_name,
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p.unit,
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p.price,
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p.discount,
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p.quantity_in_stock,
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p.description,
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p.photo,
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c.category_name AS category,
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m.manufacturer_name AS manufacturer,
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s.supplier_name AS supplier
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FROM products p
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LEFT JOIN categories c ON p.category_id = c.category_id
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LEFT JOIN manufacturers m ON p.manufacturer_id = m.manufacturer_id
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LEFT JOIN suppliers s ON p.supplier_id = s.supplier_id;";
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using (MySqlCommand cmd = new MySqlCommand(query, connection))
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using (MySqlDataAdapter adapter = new MySqlDataAdapter(cmd))
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{
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DataTable dt = new DataTable();
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adapter.Fill(dt);
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dgvProducts.DataSource = dt;
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}
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dgvProducts.AutoResizeColumns();
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}
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catch (Exception ex)
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{
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MessageBox.Show("Ошибка загрузки данных: " + ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
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}
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}
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private void button1_Click(object sender, EventArgs e)
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{
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MainForm form = new MainForm();
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form.Show();
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this.Hide();
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}
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private void _3Menu_FormClosing(object sender, FormClosingEventArgs e)
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{
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e.Cancel = true;
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this.Hide();
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MainForm form1 = new MainForm();
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form1.Show();
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}
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}
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}
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