private void Deposit_Load(object sender, EventArgs e)
        {
            AutoCompleteStringCollection collection = new AutoCompleteStringCollection();

            collection.AddRange(DataBaseOperations.getAccountIban().ToArray());

            textBoxIbanDeposit.AutoCompleteCustomSource = collection;
        }
        private void Transfer_Load(object sender, EventArgs e)
        {
            AutoCompleteStringCollection collection = new AutoCompleteStringCollection();

            collection.AddRange(DataBaseOperations.getAccountIban().ToArray());

            textBoxFromIBanTransfer.AutoCompleteCustomSource = collection;
            textBoxDestinationIBAN.AutoCompleteCustomSource  = collection;
        }
        private void WithdrawingMoney_Load(object sender, EventArgs e)
        {
            string[] mode = { "Cash", "Cheque" };

            foreach (string items in mode)
            {
                comboBoxModeWithdraw.Items.Add(items);
            }

            AutoCompleteStringCollection collection = new AutoCompleteStringCollection();

            collection.AddRange(DataBaseOperations.getAccountIban().ToArray());

            textBoxIbanWithdraw.AutoCompleteCustomSource = collection;
        }