//update customer's account
private void btnUpdateCustAccount_Click(object sender, EventArgs e)
{
string custId = ""; string iban = "";
if (lvCustomerData.SelectedItems.Count > 0 && lvCustomerAccounts.SelectedItems.Count > 0)
{
//where clauses data, current state of the user
ListViewItem custItem = lvCustomerData.SelectedItems[0];
custId = custItem.SubItems[0].Text.Trim();
int cId;
bool evalCust = int.TryParse(custId, out cId);
ListViewItem accountItem = lvCustomerAccounts.SelectedItems[0];
iban = accountItem.SubItems[0].Text.Trim();
string strBalance = txtCustomerDataBalance.Text.Trim();
decimal balance;
bool evalBalance = decimal.TryParse(strBalance, out balance);
if (txtCustomerDataAccountName.Text.Trim().Length > 2 &&
lbBank.SelectedIndex >= 0 && evalBalance && balance > 0)
{
Tuple <int, string, string> ret = customerUtility.UpdateAccount(cId, iban, txtCustomerDataAccountName.Text.Trim(), balance);
if (ret.Item1 == 1)
{
customerUtility.ReplaceAccountInList(lvCustomerAccounts, iban, txtCustomerDataAccountName.Text.Trim(), balance);
MessageBox.Show(ret.Item2, ret.Item3, MessageBoxButtons.OK, MessageBoxIcon.None, MessageBoxDefaultButton.Button1);
}
else
{
MessageBox.Show(ret.Item2, ret.Item3, MessageBoxButtons.OK, MessageBoxIcon.Warning, MessageBoxDefaultButton.Button1);
}
}
else
{
MessageBox.Show("Please provide valid input for account name, bank and positive, decimal input for balance!", "Invalid input fields", MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1);
}
}
else
{
MessageBox.Show("No customer and account was selected!", "No Customer & Account selected", MessageBoxButtons.OK, MessageBoxIcon.Warning, MessageBoxDefaultButton.Button1);
}
}