private void orderIDComboBox_SelectedIndexChanged(object sender, EventArgs e)
{
int selectedID = (int)orderIDComboBox.SelectedValue;
try
{
current = OrderDB.GetOrderByID(selectedID);
DisplayCurrentCustomerData();
ordDetails = OrderDetailsDB.GetOrderDetailIDs(selectedID);
orderDetailDataGridView.DataSource = ordDetails; //ordDetails
//Calculating order total
float total = 0;
foreach (OrderDetail order in ordDetails)
{
total += order.OrderTotal;
}
string Total = total.ToString();
textOrderTotal.Text = total.ToString("c2");
}
catch (Exception ex)
{
MessageBox.Show("Error while retrieving customer with selected ID: " + ex.Message,
ex.GetType().ToString());
}
}
//called to refresh all the fields and datagridview
private void populateFields(Button disableButton, Button enableButton, int index)
{
orders = OrderDB.GetOrders();
txtOrderID.Text = orders[index].OrderID.ToString();
txtCustomerID.Text = orders[index].CustomerID;
dtpOrderDate.Value = (DateTime)orders[index].OrderDate;
dtpRequiredDate.Value = (DateTime)orders[index].RequiredDate;
if (orders[index].ShippedDate != null) // if the shippeddate is not null
{
dtpShippedDate.Format = DateTimePickerFormat.Long;
dtpShippedDate.Value = (DateTime)orders[index].ShippedDate;
isNull = false;
}
else //shipped date is null
{
dtpShippedDate.CustomFormat = " ";
dtpShippedDate.Format = DateTimePickerFormat.Custom;
isNull = true;
}
List <OrderDetails> orderDetails_List = OrderDetailsDB.GetOrdersDetails(orders[index].OrderID);
dgvOrderDetails.DataSource = orderDetails_List;
txtTotalCharges.Text = CalculateCharges(orderDetails_List).ToString("c");
Disablebuttion(disableButton, enableButton, index);
}