protected void AddButton_Click(object sender, EventArgs e) { string ProdName = ProdNameTB.Text; int ProdCat = Convert.ToInt32(ProductCategoryDD.SelectedValue); decimal UnitPrice = Convert.ToDecimal(UnitPriceTB.Text); int TotalAvail = Convert.ToInt32(TotalAvailTB.Text); DateTime MFGDate = Convert.ToDateTime(MFGDateTB.Text); classDAL.AddProduct(ProdName, ProdCat, UnitPrice, TotalAvail, MFGDate); SuccessMsgLabel.Text = "Product Inserted Successfully and ID : " + classDAL.ProdID(ProdName, ProdCat); }