private void AddAccount_Shown(object sender, EventArgs e)
{
cmbCounterName.Focus();
Connector connection = new MYSQLDatabaseConnection();
connection.establish();
List <DatabaseColumn> Data = connection.GetCounter();
// counterList.Clear();
cmbCounterName.Items.Clear();
foreach (DatabaseColumn data in Data)
{
cmbCounterName.Items.Add(data.counter_name);
counterList.Add(data);
}
}