test/FORM2.cs
2025-11-10 17:34:22 +04:00

83 lines
2.3 KiB
C#

using MySql.Data.MySqlClient;
using NeshinaPolina07_11;
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 dem
{
public partial class FORM2 : Form
{
public FORM2()
{
InitializeComponent();
}
private void label1_Click(object sender, EventArgs e)
{
}
private void FORM2_Load(object sender, EventArgs e)
{
}
private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
}
private void button1_Click(object sender, EventArgs e)
{
try
{
var qwe = DB.GetInstance();
var con = qwe.GetConnection();
string qwerty = "select * from products";
using (MySqlCommand cmd = new MySqlCommand(qwerty, con))
using (MySqlDataAdapter adapter = new MySqlDataAdapter(cmd))
{
DataTable dt = new DataTable();
adapter.Fill(dt);
dataGridView1.DataSource = dt;
}
}
catch (Exception ex)
{
MessageBox.Show("Ошибка загрузки данных: " + ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void button2_Click(object sender, EventArgs e)
{
try
{
var qwe = DB.GetInstance();
var con = qwe.GetConnection();
string qwerty = "select * from orders";
using (MySqlCommand cmd = new MySqlCommand(qwerty, con))
using (MySqlDataAdapter adapter = new MySqlDataAdapter(cmd))
{
DataTable dt = new DataTable();
adapter.Fill(dt);
dataGridView1.DataSource = dt;
}
}
catch (Exception ex)
{
MessageBox.Show("Ошибка загрузки данных: " + ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
}