void Btn_SubmitPrint_Click(object sender, EventArgs e)
{
if (int.TryParse(Txt_CurrentUsage.Text, out int CurrUsage) && CurrUsage >= TOTAL_USAGE)
{
DialogResult dialogResult = MessageBox.Show("Are you sure you want to release the " + DateTime.Now.ToShortDateString() + " invoice for the customer #" + CUSTOMER_ID + "?" + Environment.NewLine + "Customer should pay " + Txt_Total.Text + "L.L.", "Adding a new Customer!", MessageBoxButtons.YesNo);
if (dialogResult == DialogResult.Yes)
{
int INVOICE_ID = GenID("invoice", "invoice_id");
ExecuteQuery("INSERT INTO invoice VALUES(" + INVOICE_ID + ", date(), " + TOTAL_USAGE + ", " + CurrUsage + ", " + MONTHLY_COST + ", " + (CurrUsage - TOTAL_USAGE) + ", " + PRICE_ID + ", " + CUSTOMER_ID + ")");
MessageBox.Show("Invoice #" + INVOICE_ID + " release.");
Frm_Report_Invoice frm = new Frm_Report_Invoice(INVOICE_ID, CUT_HOURS);
frm.ShowDialog();
Dispose();
}
}
else
{
MessageBox.Show("Please fill all required data correctly!");
}
}
void DGV_Invoices_Click(object sender, EventArgs e)
{
if (ShowingUnreleased)
{
if (DGV_Invoices.SelectedRows.Count > 0)
{
Frm_ReleaseInvoice frm = new Frm_ReleaseInvoice(int.Parse(DGV_Invoices.SelectedRows[0].Cells[1].Value.ToString()), int.Parse(Txt_CutHours.Text));
frm.ShowDialog();
frm.Dispose();
ShowUnreleased();
if (DGV_Invoices.Rows.Count == 0)
{
Btn_ShowUnreleased.PerformClick();
}
int NumberOfUnreleasedInvoices = getUnreleasedCount();
if (NumberOfUnreleasedInvoices > 0)
{
Lbl_NoOfUnreleased.Text = "You have " + NumberOfUnreleasedInvoices + " unreleased invoice(s)";
Lbl_NoOfUnreleased.ForeColor = Color.Red;
Btn_ShowUnreleased.Enabled = true;
}
else
{
Lbl_NoOfUnreleased.Text = "All this month's invoices are released!";
Lbl_NoOfUnreleased.ForeColor = Color.Green;
Btn_ShowUnreleased.Enabled = false;
}
}
}
else
{
if (DGV_Invoices.SelectedRows.Count > 0)
{
Frm_Report_Invoice Frm = new Frm_Report_Invoice(int.Parse(DGV_Invoices.SelectedRows[0].Cells[2].Value.ToString()), int.Parse(Txt_CutHours.Text));
Frm.ShowDialog();
}
}
}