private void GetInvoice(int invoiceID)
{
try
{
invoice = InvoiceDB.GetInvoice(invoiceID);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().ToString());
}
}
private void DeleteBtn_Click(object sender, EventArgs e)
{
if (invoiceIDTextBox.Text.Length == 0)
{
MessageBox.Show("Please select an invoice first.");
return;
}
int invoiceID = Convert.ToInt32(invoiceIDTextBox.Text);
this.GetInvoice(invoiceID);
DialogResult result = MessageBox.Show("Delete " + invoice.invoiceID + "?",
"Confirm Delete", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (result == DialogResult.Yes)
{
try
{
if (!InvoiceDB.DeleteInvoice(invoice))
{
MessageBox.Show("Another user has updated or deleted " +
"that invoice.", "Database Error");
this.GetInvoice(invoice.invoiceID);
if (invoice != null)
{
this.DisplayInvoice();
}
else
{
this.ClearControls();
}
}
else
{
this.ClearControls();
}
}
catch (Exception ex)
{
MessageBox.Show("Can't delete due to referencial integrity.");
//MessageBox.Show(ex.Message, ex.GetType().ToString());
}
}
}