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- 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;
- using MySql.Data.MySqlClient;
- namespace WindowsFormsApplication1
- {
- public partial class Form1 : Form
- {
- MySqlConnection connection;
- public Form1()
- {
- InitializeComponent();
- ConnectToDatabase();
- }
- private void ConnectToDatabase()
- {
- try
- {
- MySqlConnectionStringBuilder conn_string = new MySqlConnectionStringBuilder();
- conn_string.Server = "127.0.0.1";
- conn_string.UserID = "root";
- conn_string.Port = 3307;
- conn_string.Password = "";
- conn_string.Database = "test";
- connection = new MySqlConnection(conn_string.ToString());
- connection.Open();
- }
- catch (Exception ex)
- {
- MessageBox.Show("Hiba:" + ex.Message);
- }
- }
- private void loginButton_Click(object sender, EventArgs e)
- {
- try
- {
- MySqlCommand cmd = connection.CreateCommand();
- cmd.CommandText = "SELECT * FROM users where user='" + userText.Text + "' AND pw='" + passText.Text + "'";
- using (MySqlDataReader reader = cmd.ExecuteReader())
- {
- if (reader.Read())
- {
- MessageBox.Show("Sikeres belépés");
- }
- else
- {
- MessageBox.Show("Hibás belépési adatok");
- }
- }
- }
- catch (Exception ex)
- {
- MessageBox.Show("Hiba:" + ex.Message);
- }
- }
- }
- }
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