private void RemoveItem(bool force = false)
{
int index = MyDataGridView.Items.IndexOf(MyDataGridView.SelectedItem);
Invoices_Items[] _items = new Invoices_Items[MyDataGridView.Items.Count];
MyDataGridView.Items.CopyTo(_items, 0);
foreach (Invoices_Items item in _items)
{
if (!force && MyDataGridView.Items.IndexOf(item) == index)
{
continue;
}
if (item.Id <= 0 && item.IsNewInvoiceItem)
{
context.Invoices_Items.Remove(item);
MyDataGridView.UpdateLayout();
}
}
}
private bool AddNewItem()
{
if (invoicesViewSource.View.CurrentItem is Invoices invoice)
{
if (invoicesInvoices_ItemsViewSource.View.CurrentItem == null || !(invoicesInvoices_ItemsViewSource.View.CurrentItem as Invoices_Items).IsNewInvoiceItem)
{
Invoices_Items nitem = new Invoices_Items
{
IsNewInvoiceItem = true,
Invoice_Id = invoice.InvoiceId,
Quantity = 1,
};
// context.Invoices_Items.Add(nitem);
invoice.Invoices_Items.Add(nitem);
invoicesInvoices_ItemsViewSource.View.Refresh();
invoicesInvoices_ItemsViewSource.View.MoveCurrentTo(nitem);
return(true);
}
}
return(false);
}
public bool SaveItem(bool ForInvoice = false)
{
decimal price;
decimal qty;
if (!ForInvoice && invoicesViewSource.View == null || !(invoicesViewSource.View.CurrentItem is Invoices invoice))
{
MessageBox.Show("Please create a new Invoice first!", "Warning", MessageBoxButton.OK, MessageBoxImage.Error);
return(false);
}
if (InvoicedateTimePicker.SelectedDate == null || !InvoicedateTimePicker.SelectedDate.HasValue)// || !DateTime.TryParse(InvoicedateTimePicker.Text, out DateTime invoiceDT))
{
MessageBox.Show("Please select a valid Invoice date and Time!", "Warning", MessageBoxButton.OK, MessageBoxImage.Error);
return(false);
}
else if (ItemIdCBox.SelectedIndex == -1)
{
MessageBox.Show("Please select a valid Item ID!", "Warning", MessageBoxButton.OK, MessageBoxImage.Error);
return(false);
}
else if (ItemCodeCBox.SelectedIndex == -1)
{
MessageBox.Show("Please select a valid Item Barcode!", "Warning", MessageBoxButton.OK, MessageBoxImage.Error);
return(false);
}
else if (ItemNameCBox.SelectedIndex == -1)
{
MessageBox.Show("Please select a valid Item Name!", "Warning", MessageBoxButton.OK, MessageBoxImage.Error);
return(false);
}
else if (!decimal.TryParse(QtyTBox.Text, out qty) || qty <= 0)
{
MessageBox.Show("Please enter a valid Quantity!", "Warning", MessageBoxButton.OK, MessageBoxImage.Error);
return(false);
}
else if (!decimal.TryParse(PriceTBox.Text, out price) || price <= 0)
{
MessageBox.Show("Please enter a valid Price!", "Warning", MessageBoxButton.OK, MessageBoxImage.Error);
return(false);
}
if (invoicesInvoices_ItemsViewSource.View == null || !(invoicesInvoices_ItemsViewSource.View.CurrentItem is Invoices_Items item))
{
item = new Invoices_Items
{
Invoice_Id = invoice.InvoiceId,
InvItem_SalesPrice = price,
Quantity = qty,
Item_Id = (int)ItemIdCBox.SelectedValue,
IsNewInvoiceItem = true
};
//context.Invoices_Items.Add(item);
invoice.Invoices_Items.Add(item);
}
if (!ForInvoice)
{
if (!SaveInvoice(false))
{
return(false);
}
}
try
{
context.SaveChanges();
}
catch (Exception ex)
{
MessageBox.Show("Error: " + ex.ToString());
return(false);
}
item.IsNewInvoiceItem = false;
if (!ForInvoice)
{
//invoicesViewSource.View.Refresh();
invoicesInvoices_ItemsViewSource.View.Refresh();
AddNewItem();
}
return(true);
}
