/// <summary>
/// Handle button click event to add items to the grid
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnAddItemToGrid(object sender, RoutedEventArgs e)
{
try
{
if (sSelectedItem != "")
{
clsItem selected = (clsItem)cbItemList.SelectedItem;
clsItem Item = new clsItem();
Item.sItemDesc = selected.sItemDesc;
Item.sItemName = selected.sItemName;
Item.iItemCost = selected.iItemCost;
cost += selected.iItemCost;
tbTotalCost.Text = cost.ToString();
SelectedItems.Add(Item);
UpdateDataGrid(SelectedItems);
btnSave.IsEnabled = true;
}
}
catch (Exception ex)
{
throw new Exception(MethodInfo.GetCurrentMethod().DeclaringType.Name + " " + MethodInfo.GetCurrentMethod().Name + " -> " + ex.Message);
}
}
/// <summary>
/// fill in invoice that's been selected from the search
/// </summary>
public void FillInvoice()
{
if (sInvoiceID != "none")
{
btnEditInvoice.IsEnabled = true;
btnCancel.IsEnabled = true;
btnAddInvoice.IsEnabled = false;
cbItemList.IsEnabled = true;
dgItemList.IsEnabled = false;
btnUpdate.IsEnabled = true;
List <clsItem> items = new List <clsItem>();
ds = sql.SelectInvoice(Convert.ToInt32(sInvoiceID));
InvoiceNumberLabel.Content = "Invoice # " + sInvoiceID;
InvoiceDateLabel.Content = ds.Tables[0].Rows[0][1].ToString();
tbTotalCost.Text = ds.Tables[0].Rows[0][2].ToString();
ds = sql.SelectItem(Convert.ToInt32(sInvoiceID));
foreach (DataRow item in ds.Tables[0].Rows)
{
NewInvoice = new clsItem();
NewInvoice.sItemName = item[0].ToString();
NewInvoice.sItemDesc = item[1].ToString();;
NewInvoice.iItemCost = Convert.ToInt32(item[2]);
items.Add(NewInvoice);
}
SelectedItems = items;
UpdateDataGrid(items);
}
}
/// <summary>
/// Handles delete item click event
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void DeleteItem_Click(object sender, RoutedEventArgs e)
{
try
{
clsItem item = (clsItem)dgItemList.SelectedItem;
cost -= item.iItemCost;
tbTotalCost.Text = cost.ToString();
SelectedItems.RemoveAt(dgItemList.SelectedIndex);
UpdateDataGrid(SelectedItems);
btnDeleteItem.IsEnabled = false;
if (SelectedItems.Count == 0)
{
btnSave.IsEnabled = false;
}
}
catch (Exception ex)
{
throw new Exception(MethodInfo.GetCurrentMethod().DeclaringType.Name + " " + MethodInfo.GetCurrentMethod().Name + " -> " + ex.Message);
}
}