void txtclear() { TBProductName.Clear(); TBCategory.Clear(); NUDPrice.Value = 0; NUDAddToStock.Value = 0; }
//Button Click code: private void BtnAddInventory_Click(object sender, EventArgs e) { int ct = Program.LstPrd.Count; Product prd = new Product(Product.GetNewID(), TBProductName.Text, TBCategory.Text, NUDPrice.Value, NUDAddStock.Value, NUDPrice.Value * NUDAddStock.Value); Program.LstPrd.Add(prd); if (Program.LstPrd.Count > ct) { MessageBox.Show("Product has been added", "Success", MessageBoxButtons.OK); } else { MessageBox.Show("Product not added", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); } TBProductName.Clear(); TBCategory.Clear(); NUDPrice.Value = 0; NUDAddStock.Value = 0; File.AppendAllText(Program.inputfile, System.Environment.NewLine + Convert.ToString(prd.ID) + "," + prd.ProductName + "," + prd.Category + "," + Convert.ToString(prd.Price) + "," + Convert.ToString(prd.AddInStock) + "," + Convert.ToString(prd.CostInStock)); }