/// <summary>
/// Remove selected item from the data grid
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void RemoveSelected_Click(object sender, RoutedEventArgs e)
{
if (invoiceItemDataGrid.SelectedItem != null)
{
try
{
clsInvoice tempInvoice = new clsInvoice();
currentInvoice = tempInvoice;
int rowIndex = invoiceItemDataGrid.SelectedIndex;
clsItem tempItem = (clsItem)invoiceItemDataGrid.SelectedItem;
//Remove Item
currentInvoiceItems.RemoveAt(rowIndex);
//currentInvoice.InvoiceItems.RemoveAt(rowIndex);
//Update labels and grid
decimal total = getInvoiceItemsTotal(currentInvoiceItems);
invoiceItemDataGrid.Items.Refresh();
invoiceTotalLbl.Content = "Total: $" + total;
}
catch (Exception ex)
{
ClsHandleError.HandleError(MethodInfo.GetCurrentMethod().DeclaringType.Name,
MethodInfo.GetCurrentMethod().Name, ex.Message);
}
}
}
/// <summary>
/// Retrieve item list for combo box dropdown
/// </summary>
/// <param name="wndMain"></param>
/// <returns></returns>
public static BindingList <clsItem> GetItemsList(wndMain wndMain)
{
try
{
BindingList <clsItem> ItemList = new BindingList <clsItem>();
//Make Connection
clsSQL dataAccess = new clsSQL();
DataSet ds = new DataSet();
int iRet = 0;
//store query result in data set
ds = dataAccess.ExecuteSQLStatement(clsMainSQL.queryItems(), ref iRet);
//Loop through items creating item object and add to a bound list
for (int i = 0; i < iRet; i++)
{
clsItem item = new clsItem();
item.ItemCode = ds.Tables[0].Rows[i][0].ToString();
item.ItemDescription = ds.Tables[0].Rows[i][1].ToString();
item.ItemCost = Convert.ToDecimal(ds.Tables[0].Rows[i][2].ToString());
ItemList.Add(item);
}
return(ItemList);
}
catch (Exception ex)
{
throw new Exception(MethodInfo.GetCurrentMethod().DeclaringType.Name + "." +
MethodInfo.GetCurrentMethod().Name + "->" + ex.Message);
}
}
/// <summary>
/// Convert a data set to an observable list
/// </summary>
/// <param name="ds"></param>
/// <returns></returns>
public static ObservableCollection <clsItem> ConvertDataSetToList(DataSet ds)
{
ObservableCollection <clsItem> itemList = new ObservableCollection <clsItem>();
int countRows = ds.Tables[0].Rows.Count;
//add row values to item list
for (int i = 0; i < countRows; i++)
{
clsItem TempItem = new clsItem();
TempItem.ItemDescription = ds.Tables[0].Rows[i][0].ToString();
string sCost = ds.Tables[0].Rows[i][1].ToString();
int iCost = Convert.ToInt32(sCost);
TempItem.ItemCost = iCost;
itemList.Add(TempItem);
}
return(itemList);
}
/// <summary>
/// Handles when the user clicks the add item button
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void addItemBtn_Click(object sender, RoutedEventArgs e)
{
try
{
if (cmbItems.SelectedItem != null)
{
//Add selected item to current invoice
clsItem addItem = (clsItem)cmbItems.SelectedItem;
currentInvoiceItems.Add(addItem);
decimal total = getInvoiceItemsTotal(currentInvoiceItems);
invoiceTotalLbl.Content = "Total: $" + total;
}
else
{
MessageBox.Show("You must select an Item to add.");
}
}
catch (Exception ex)
{
ClsHandleError.HandleError(MethodInfo.GetCurrentMethod().DeclaringType.Name,
MethodInfo.GetCurrentMethod().Name, ex.Message);
}
}
/// <summary>
/// Add item to the Invoice Items list
/// </summary>
/// <param name="item"></param>
public void AddItem(clsItem item)
{
InvoiceItems.Add(item);
}
