private List<Receipt> ComputeReceipt(string itemId, string quantity)
{
int id = -1;
int qty = -1;
string shortDesc = string.Empty;
decimal? price = 0.0M;
decimal? amount = 0.0M;
List<Receipt> crcpt = new List<Receipt>();
if (int.TryParse(itemId, out id))
{
var itemPrice = this.db.ItemSalePrices.Where(i => i.ItemId == id).FirstOrDefault();
var itemDesc = this.db.ItemShortDescriptions.Where(i => i.ItemId == id).FirstOrDefault();
price = itemPrice.SalePrice;
shortDesc = itemDesc.ShortDescription;
if (int.TryParse(quantity, out qty))
{
amount = price * qty;
decimal _prc = (decimal)price;
decimal _amt = (decimal)amount;
Receipt receiptEntry = new Receipt
{
ItemId = id.ToString(),
ShortDescription = shortDesc,
Quantity = qty.ToString(),
Price = price.Value.ToString("G29"),
Amount = amount.Value.ToString("G29")
};
crcpt.Add(receiptEntry);
return crcpt;
}
else
{
throw new Exception("Invalid item quantity provided for receipt computation.");
}
}
else
{
throw new Exception("Invalid item Id provided for receipt computation.");
}
}
private void AddReceiptItem()
{
List<Receipt> receipt = new List<Receipt>();
try
{
string itemId = this.dataGridViewStockItems.CurrentRow.Cells[0].Value.ToString();
string quantity = this.textBoxQuantity.Text.Trim().ToString();
if (this.dataGridViewReceipt.Rows.Count > 0)
{
for (int i = 0; i < this.dataGridViewReceipt.Rows.Count; i++)
{
Receipt cr = new Receipt
{
ItemId = this.dataGridViewReceipt.Rows[i].Cells[0].Value.ToString(),
ShortDescription = this.dataGridViewReceipt.Rows[i].Cells[1].Value.ToString(),
Quantity = this.dataGridViewReceipt.Rows[i].Cells[2].Value.ToString(),
Price = this.dataGridViewReceipt.Rows[i].Cells[3].Value.ToString(),
Amount = this.dataGridViewReceipt.Rows[i].Cells[4].Value.ToString()
};
receipt.Add(cr);
}
List<Receipt> datasource = this.receipt.Add(receipt, itemId, quantity).ToList();
this.dataGridViewReceipt.DataSource = datasource;
ReceiptTotalAmount(datasource);
}
else
{
List<Receipt> datasource = this.receipt.Add(null, itemId, quantity).ToList();
this.dataGridViewReceipt.DataSource = datasource;
ReceiptTotalAmount(datasource);
}
this.dataGridViewReceipt.Columns[0].Width = 40;
this.dataGridViewReceipt.Columns[2].Width = 40;
// Receipt Price column alignment
this.dataGridViewReceipt.Columns[3].HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleRight;
this.dataGridViewReceipt.Columns[3].DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleRight;
// Receipt Amount column alignment
this.dataGridViewReceipt.Columns[4].HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleRight;
this.dataGridViewReceipt.Columns[4].DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleRight;
this.comboBoxBarcode.Text = "";
this.comboBoxDescription.Text = "";
this.textBoxQuantity.Clear();
this.comboBoxBarcode.Focus();
}
catch (Exception ex)
{
MessageBox.Show("ERROR: Failed to add item :- " + ex.Message + ".", "EastSeat Point of Sale", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
