// load data if a ProductID is passed from Main form private void loadData() { List <Products> productDetails = new List <Products>(); productDetails = ProductsDB.ProductDetail((int)prodId); txtProductID.Text = productDetails[0].ProductId.ToString(); txtProdName.Text = productDetails[0].ProdName.ToString(); List <Products_Suppliers> productSuppliers = new List <Products_Suppliers>(); productSuppliers = DisplayProductSupplier(); }