KalkulatorISP-31rrrrr/source/repos/WindowsFormsApp13/Form1.cs
2025-11-11 14:18:33 +04:00

51 lines
1.6 KiB
C#

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;
using MySql.Data.MySqlClient;
namespace WindowsFormsApp13
{
public partial class Form1 : Form
{
private string connectionString = "server=cfif31.ru;database=ISPr24-57_ZuevES_Testing;uid=ISPr24-57_ZuevES;password=ISPr24-57_ZuevES;";
public Form1()
{
InitializeComponent();
}
private void btnLogin_Click(object sender, EventArgs e)
{
string username = usernameTB.Text;
string password = passwordTB.Text;
using (MySqlConnection connection = new MySqlConnection(connectionString))
{
connection.Open();
string query = "SELECT * FROM Users WHERE username = @Username AND password = @Password";
MySqlCommand cmd = new MySqlCommand(query, connection);
cmd.Parameters.AddWithValue("@Username", username);
cmd.Parameters.AddWithValue("@Password", password);
MySqlDataAdapter adapter = new MySqlDataAdapter(cmd);
DataTable dt = new DataTable();
adapter.Fill(dt);
if(dt.Rows.Count > 0)
{
MessageBox.Show("Success");
Form2 form2 = new Form2(dt);
this.Hide();
form2.Show();
}
else
{
MessageBox.Show("Wrong");
}
}
}
}
}