// lists all province codes currently on file
private void DisplayList()
{
HKProvince pv = new HKProvince();
lbProvince.Items.Clear();
foreach (HKProvince pvItem in pv.HKGetProvinces())
{
lbProvince.Items.Add(pvItem.ProvinceCode);
}
btnDelete.Enabled = false;
}
/*
* When click save button
* - check from a new record or update
*/
private void btnSave_Click(object sender, EventArgs e)
{
HKProvince pv = new HKProvince();
try
{
pv.ProvinceCode = txtProvinceCode.Text.ToUpper().Trim();
pv.Name = txtName.Text.ToUpper().Trim();
pv.CountryCode = txtCountryCode.Text.ToUpper().Trim();
pv.TaxCode = txtTaxCode.Text.ToUpper().Trim();
double dTaxRate;
if (string.IsNullOrEmpty(txtTaxRate.Text))
{
dTaxRate = 0;
}
else if (double.TryParse(txtTaxRate.Text, out dTaxRate))
{
pv.TaxRate = dTaxRate;
}
pv.IncludesFederalTax = cbFederalTax.Checked ? true : false;
// lbProvince.SelectedIndex
// - -1 : no selected item, can add, cannot edit
// - > -1 : have selected item , can edit
if (lbProvince.SelectedIndex > -1)
{
pv.HKUpdate(pv);
MessageBox.Show(string.Format("{0} [{1}] has been updated.", pv.Name, pv.ProvinceCode));
}
else
{
pv.HKAdd(pv);
MessageBox.Show(string.Format("{0} [{1}] has been added.", pv.Name, pv.ProvinceCode));
}
DisplayList();
lbProvince.SelectedItem = pv.ProvinceCode;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
// Selected recored is set to the textbox when index changes
private void lbProvince_SelectedIndexChanged(object sender, EventArgs e)
{
if (lbProvince.SelectedIndex != -1)
{
btnDelete.Enabled = true;
txtProvinceCode.ReadOnly = true;
HKProvince pv = new HKProvince();
pv = pv.HKGetByProvinceCode(lbProvince.SelectedItem.ToString());
txtProvinceCode.Text = pv.ProvinceCode;
txtName.Text = pv.Name;
txtCountryCode.Text = pv.CountryCode;
txtTaxCode.Text = pv.TaxCode;
txtTaxRate.Text = pv.TaxRate.ToString();
cbFederalTax.Checked = pv.IncludesFederalTax;
btnDelete.Enabled = true;
}
}
/*
* When click delete button
* - call HKDelete of HKProvince class.
*/
private void btnDelete_Click(object sender, EventArgs e)
{
HKProvince pv = new HKProvince();
try
{
string sCode = lbProvince.SelectedItem.ToString();
pv.HKDelete(lbProvince.SelectedItem.ToString());
DisplayList();
lbProvince.SelectedIndex = -1;
MessageBox.Show(string.Format("{0} has been deleted.", sCode));
btnNewRecord_Click(this, e);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
