/// <summary>
/// This input will
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void AddNewItemBtn_Click(object sender, RoutedEventArgs e)
{
//clear error from previous entry
ErrorLbl.Content = "";
string barcode = BarcodeTB.Text;
string quantity = QuantityTB.Text;
var tdrV = new TillDataRowValidation(barcode, quantity);
//till row is valid
if (tdrV.isTillDataRowValid)
{
//if description for item doesnt exist in datagrid
if (!DoesDescriptionExist(tdrV.item.Description))
{
//adding new TillDataRow
var newTDR = new TillDataRow(tdrV.item, tdrV.quantity);
AddRow(newTDR);
//update datagrid on screen
ItemDisplayDatGrd.UpdateLayout();
}
else
{
ErrorLbl.Content = "That item already exists. Delete it and reenter.\n";
}
}
else
{
ErrorLbl.Content = tdrV.ErrorMessage;
}
//allow for reuse
tdrV.Complete();
ClearInputs();
}
/// <summary>
/// It will add the new row
/// To the itemSource then update
/// The datagrid
/// </summary>
/// <param name="barcode"></param>
void AddRow(TillDataRow tdrAdd)
{
dataContext.Rows.Add(tdrAdd);
ItemDisplayDatGrd.UpdateLayout();
}