protected void gvReviewR_RowDeleting(object sender, GridViewDeleteEventArgs e) { lblDelete.Visible = true; //get the list from FeedbackDB by calling the method and get the session List <Review> fbNormalList = ReviewDB.getAllRestaurantReview(); //to perform paging Review fb = fbNormalList[gvReviewR.PageIndex * gvReviewR.PageSize + e.RowIndex]; pnlEdit.Visible = false; //call the delete method from FeedbackDB int result = ReviewDB.deleteReview(fb); if (result > 0) { lblDelete.Text = "Feedback Deleted!"; gvReviewR.DataSource = ReviewDB.getAllRestaurantReview(); gvReviewR.DataBind(); } }