public void BindProductDetail(int productCode) { DALProduct obj = new DALProduct(); DataSet ds = obj.Product_GetDetail(productCode); ddlCategory.SelectedValue = ds.Tables[0].Rows[0]["CategoryCode"].ToString(); txtProductName.Text = ds.Tables[0].Rows[0]["ProductName"].ToString(); txtPurchaseRate.Text = ds.Tables[0].Rows[0]["PurchaseRate"].ToString(); txtSaleRate.Text = ds.Tables[0].Rows[0]["SaleRate"].ToString(); txtExpiryDate.Text = Convert.ToDateTime(ds.Tables[0].Rows[0]["ExpiryDate"]).ToString("dd-MM-yyyy"); }