/// <summary>
/// Deletes a receipt line from the database.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void DeleteButton_Click(object sender, RoutedEventArgs e)
{
try
{
if (receiptLineIdInput.Text.Equals(""))
{
MessageBox.Show("Please input the text box.");
receiptLineIdInput.Focus();
return;
}
else if (!Regex.IsMatch(receiptLineIdInput.Text, "^[0-9]*$"))
{
MessageBox.Show("Please input only numerical characters into the text box.");
receiptLineIdInput.Focus();
return;
}
}
catch (Exception ex)
{
MessageBox.Show("An error has occurred, please contact your administrator." + "\n\n" + "The error message is: " + "\n\n" + ex.ToString());
}
ReceiptLineObject receiptLine = businessLogicLayer.CheckReceiptLinesByID(int.Parse(receiptLineIdInput.Text));
try
{
if (!int.Parse(receiptLineIdInput.Text).Equals(receiptLine.receipt_line_id))
{
MessageBox.Show("The Receipt Line provided does not Exist.");
receiptLineIdInput.Focus();
return;
}
else
{
receiptLine = businessLogicLayer.DeleteCurrentReceiptLine(int.Parse(receiptLineIdInput.Text));
MessageBox.Show("The provided Receipt Line has been deleted from the system.");
return;
}
}
catch (Exception ex)
{
MessageBox.Show("An error has occurred, please contact your administrator." + "\n\n" + "The error message is: " + "\n\n" + ex.ToString());
}
}
/// <summary>
/// Edits a receipt line in the database.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void EditButton_Click(object sender, RoutedEventArgs e)
{
try
{
if (currentReceiptLineIdInput.Text.Equals("") || newReceiptIdInput.Text.Equals("") || newProductIdInput.Text.Equals("") || newQuantityInput.Text.Equals(""))
{
MessageBox.Show("Please input all text boxes.");
currentReceiptLineIdInput.Focus();
return;
}
else if ((!Regex.IsMatch(currentReceiptLineIdInput.Text, "^[0-9]*$")) || (!Regex.IsMatch(newReceiptIdInput.Text, "^[0-9]*$")) ||
(!Regex.IsMatch(newProductIdInput.Text, "^[0-9]*$")) || (!Regex.IsMatch(newQuantityInput.Text, "^[0-9]*$")))
{
MessageBox.Show("Please input only numerical characters into all text boxes.");
currentReceiptLineIdInput.Focus();
return;
}
}
catch (Exception ex)
{
MessageBox.Show("An error has occurred, please contact your administrator." + "\n\n" + "The error message is: " + "\n\n" + ex.ToString());
}
ReceiptLineObject receiptLine;
ReceiptLineObject receiptLineCurrent = businessLogicLayer.CheckReceiptLinesByID(int.Parse(currentReceiptLineIdInput.Text));
ReceiptObject receipt = businessLogicLayer.CheckReceiptsByID(int.Parse(newReceiptIdInput.Text));
ProductObject product = businessLogicLayer.CheckProductsByID(int.Parse(newProductIdInput.Text));
try
{
if (!int.Parse(currentReceiptLineIdInput.Text).Equals(receiptLineCurrent.receipt_line_id))
{
MessageBox.Show("The Current Receipt Line ID provided does not exist.");
newProductIdInput.Focus();
return;
}
if (!int.Parse(newReceiptIdInput.Text).Equals(receipt.receipt_id))
{
MessageBox.Show("The New Receipt ID provided does not exist.");
newReceiptIdInput.Focus();
return;
}
else if (!int.Parse(newProductIdInput.Text).Equals(product.product_id))
{
MessageBox.Show("The New Product ID provided does not exist.");
newProductIdInput.Focus();
return;
}
else
{
receiptLine = businessLogicLayer.EditCurrentReceiptLine(int.Parse(newReceiptIdInput.Text), int.Parse(newProductIdInput.Text), int.Parse(newQuantityInput.Text),
int.Parse(currentReceiptLineIdInput.Text));
MessageBox.Show("The provided Receipt Line has been updated.");
return;
}
}
catch (Exception ex)
{
MessageBox.Show("An error has occurred, please contact your administrator." + "\n\n" + "The error message is: " + "\n\n" + ex.ToString());
}
}