コード例 #1
0
        public void GetProductWithReviewNice()
        {
            var recordedData = from ProductReviewClass in datatable.AsEnumerable()
                               where ProductReviewClass.Field <string>("Review").ToUpper().Contains("NICE")
                               select ProductReviewClass;

            foreach (var product in recordedData)
            {
                Console.WriteLine("ProductId : " + product.Field <int>("ProductId") + " " + "UserId : " + product.Field <int>("UserId")
                                  + " " + "Rating : " + product.Field <double>("Rating") + " " + "Review : " + product.Field <string>("Review") + " "
                                  + "IsLike : " + product.Field <bool>("IsLike"));
            }
        }
コード例 #2
0
        public void GetRecordsWithIsLikeTrue()
        {
            var recordedData = from ProductReviewClass in datatable.AsEnumerable()
                               where ProductReviewClass.Field <bool>("IsLike") == true
                               select ProductReviewClass;

            foreach (var product in recordedData)
            {
                Console.WriteLine("ProductID : " + product.Field <int>("ProductId") + " " + "UserId : " + product.Field <int>("UserId")
                                  + " " + "Rating : " + product.Field <double>("Rating") + " " + "Review : " + product.Field <string>("Review") + " "
                                  + "IsLike : " + product.Field <bool>("IsLike"));
            }
        }
コード例 #3
0
        public void GetRecordsWithUserId10()
        {
            datatable.Rows.Add(7, 10, 2, "Bad", false);
            datatable.Rows.Add(9, 10, 5, "Good", true);
            datatable.Rows.Add(12, 10, 3, "Nice", true);
            datatable.Rows.Add(7, 10, 5, "Good", true);

            var recordedData = from ProductReviewClass in datatable.AsEnumerable()
                               where ProductReviewClass.Field <int>("UserId") == 10
                               orderby ProductReviewClass.Field <double>("Rating")
                               select ProductReviewClass;

            foreach (var product in recordedData)
            {
                Console.WriteLine("ProductId : " + product.Field <int>("ProductId") + " " + "UserId : " + product.Field <int>("UserId")
                                  + " " + "Rating : " + product.Field <double>("Rating") + " " + "Review : " + product.Field <string>("Review") + " "
                                  + "IsLike : " + product.Field <bool>("IsLike"));
            }
        }