// Calculates the transaction and displays the amount of change.
public void finalize(decimal tendered, transactionScreen form)
{
decimal change; // Stores the amount of change to be given
change = tendered - totals.total; // Calculated change
// If change is negative, throw an error indicating invalid tendered ammount (tendered < total)
if (change < 0.00M)
{
throw new System.ArgumentException("Invalid Tendered Ammount");
}
// Set/display change and update the form upon completion of transaction
form.changeTitleLabel.Visible = true;
form.changeLabel.Text = change.ToString("c");
form.amountTenderedBox.Enabled = false;
form.finalizeButton.Enabled = false;
form.skuBox.ResetText();
form.skuBox.Enabled = false;
// Decrement quantities in database
for (int i = 0; i < numOfItems; i++)
{
form.inventoryTableAdapter.DecreaseQuantity(this.items[i]);
}
}
// Opens up the window to deal with transactions on button click.
private void transactionButton_Click(object sender, EventArgs e)
{
Hide();
transactionScreen window = new transactionScreen();
window.ShowDialog();
Show();
}
// Opens up the window to deal with transactions on button click.
private void transactionButton_Click(object sender, EventArgs e)
{
Hide();
transactionScreen window = new transactionScreen();
window.ShowDialog();
Show();
}
// Adds items to the transaction and increases the item count
public int AddItem(int sku, transactionScreen form)
{
// Attempt to find and fill the table with the SKU
int returnValue = form.inventoryTableAdapter.FillBySKU(form.pOSDataSet.Inventory, sku);
// Check if an item was returned, and that the quantity is less than or equal to 0, and display the row in red
if (returnValue != 0 && form.inventoryTableAdapter.GetQuantity(sku) <= 0)
form.inventoryDataGridView.Rows[numOfItems].DefaultCellStyle.BackColor = Color.Red;
// Clear selection of the view upon entry of a sku
form.inventoryDataGridView.ClearSelection();
// If an item was returned, increase number of items
if (returnValue != 0)
{
this.items[numOfItems] = sku;
this.numOfItems++;
}
// Return number of items
return this.numOfItems;
}
// Calculates the transaction and displays the amount of change.
public void finalize(decimal tendered, transactionScreen form)
{
decimal change; // Stores the amount of change to be given
change = tendered - totals.total; // Calculated change
// If change is negative, throw an error indicating invalid tendered ammount (tendered < total)
if (change < 0.00M)
throw new System.ArgumentException("Invalid Tendered Ammount");
// Set/display change and update the form upon completion of transaction
form.changeTitleLabel.Visible = true;
form.changeLabel.Text = change.ToString("c");
form.amountTenderedBox.Enabled = false;
form.finalizeButton.Enabled = false;
form.skuBox.ResetText();
form.skuBox.Enabled = false;
// Decrement quantities in database
for (int i = 0; i < numOfItems; i++)
{
form.inventoryTableAdapter.DecreaseQuantity(this.items[i]);
}
}
// Adds items to the transaction and increases the item count
public int AddItem(int sku, transactionScreen form)
{
// Attempt to find and fill the table with the SKU
int returnValue = form.inventoryTableAdapter.FillBySKU(form.pOSDataSet.Inventory, sku);
// Check if an item was returned, and that the quantity is less than or equal to 0, and display the row in red
if (returnValue != 0 && form.inventoryTableAdapter.GetQuantity(sku) <= 0)
{
form.inventoryDataGridView.Rows[numOfItems].DefaultCellStyle.BackColor = Color.Red;
}
// Clear selection of the view upon entry of a sku
form.inventoryDataGridView.ClearSelection();
// If an item was returned, increase number of items
if (returnValue != 0)
{
this.items[numOfItems] = sku;
this.numOfItems++;
}
// Return number of items
return(this.numOfItems);
}
// Updates the total and the labels during the transaction.
public void UpdateTotals(decimal price, transactionScreen form)
{
totals.UpdateTotal(price);
totals.UpdateTotalLabels(form);
}
// Updates total labels
public void UpdateTotalLabels(transactionScreen form)
{
form.subtotalLabel.Text = this.subtotal.ToString("c");
form.taxLabel.Text = this.tax.ToString("c");
form.totalLabel.Text = this.total.ToString("c");
}
// Updates the total and the labels during the transaction.
public void UpdateTotals(decimal price, transactionScreen form)
{
totals.UpdateTotal(price);
totals.UpdateTotalLabels(form);
}
// Updates total labels
public void UpdateTotalLabels(transactionScreen form)
{
form.subtotalLabel.Text = this.subtotal.ToString("c");
form.taxLabel.Text = this.tax.ToString("c");
form.totalLabel.Text = this.total.ToString("c");
}