public static void SendEmailClientHandler(ShowObject sender, EventArgs e)
{
Client client = null;
int number = Convert.ToInt32(sender.objectBox.SelectedItem.ToString().Split(' ').Last().Remove(sender.objectBox.SelectedItem.ToString().Split(' ').Last().Length - 1));
client = DatabaseMethods.SelectClientFromQuery("SELECT * FROM Clients WHERE ClientNumber = '" + number.ToString() + "'");
Task.Run(() => EmailSender.SendIt(client, client.Email, client.RegisterDate, "Client information"));
MessageBox.Show("E-mail sent to " + client.Email, "E-mail sent", MessageBoxButtons.OK, MessageBoxIcon.Information);
sender.Dispose();
}