/* * Event Handler for Clear Button in Sale Windows */ private void ClearButton_Click(object sender, EventArgs e) { CartFlowLayoutPanel.Controls.Clear(); ProductsFlowLayoutPanel.Controls.Clear(); CurrentCartProducts.Clear(); TotalItems = 0; GrandTotal = 0; TotalItemsLabel.Text = ""; GrandTotalLabel.Text = ""; }
//====================== END OF UI FUNCATIONALITY BUTTONS ========================= //====================== START OF SALE FUNCATIONALITY METHODS ========================= /* * Event Handler for Order Button in Sale Windows */ private void OrderButton_Click(object sender, EventArgs e) { StreamWriter FileWriter; string Reciept = "", CurrentLine, Seperator = "_", Message = ""; //Generating Dynamic Confirmation Message Based on Cart Items Message = "Please Confirm the below order:\n\n"; foreach (CartList CartItems in CartFlowLayoutPanel.Controls) { Message = Message + "\nProduct Name: " + CartItems.ProdName + "\nQuantity(s) : " + CartItems.ProdQuantity + Environment.NewLine; } Message = Message + "\n\nYou will have to pay €" + GrandTotal.ToString() + " for " + TotalItems.ToString() + " items."; Message = Message + "\n\nDo you want to confirm the order?"; DialogResult DR = MessageBox.Show(Message, "Confirm the Order", MessageBoxButtons.YesNo, MessageBoxIcon.Question); if (DR == DialogResult.Yes) { foreach (CartList CartItems in CartFlowLayoutPanel.Controls) { int i; // Modifying Original Stock ProductList // Substracting Cart Quantities from stock for (i = 0; i < ProductList.Count; i++) { if (ProductList[i].ProductQuantity > 0) { if (CartItems.ProdID == ProductList[i].ProductID) { ProductList[i].ProductQuantity -= CartItems.ProdQuantity; break; } } } // Adding quantities into Sold Product List //Adding Cart Quantities from stock for (i = 0; i < SaleProductIDs.Count; i++) { if (CartItems.ProdID == SaleProductIDs[i].ProductID) { SaleProductIDs[i].ProductQuantity += CartItems.ProdQuantity; break; } } CurrentLine = CartItems.ProdCat + Seperator + CartItems.ProdName + Seperator + CartItems.ProdQuantity + Seperator + CartItems.ProdTotal; if (Reciept == "") { Reciept = CurrentLine; } else { Reciept = Reciept + Seperator + CurrentLine; } } TodaysSaleTotal += GrandTotal; //Writing current Transaction to file try { FileWriter = File.AppendText(TRANSACTIONDATABASEFILENAME); FileWriter.WriteLine(TransactionIDLabel.Text); FileWriter.WriteLine(DateTime.Today.ToShortDateString()); FileWriter.WriteLine(TotalItems.ToString()); FileWriter.WriteLine(GrandTotal.ToString()); FileWriter.WriteLine(Reciept); FileWriter.Close(); MessageBox.Show("Transaction " + TransactionIDLabel.Text + " completed successfully"); CartFlowLayoutPanel.Controls.Clear(); ProductsFlowLayoutPanel.Controls.Clear(); CurrentCartProducts.Clear(); TotalItems = 0; GrandTotal = 0; TotalItemsLabel.Text = ""; GrandTotalLabel.Text = ""; } catch { MessageBox.Show("Some Error Occured while Completing your order. Try again Later", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); } } }