static void Main(string[] args)
        {
            //UC-1
            Console.WriteLine("Product Review Management With Linq!");

            List <ProductReview> productReviewList = new List <ProductReview>()
            {
                new ProductReview()
                {
                    ProductId = 1, UserId = 1, Rating = 5, Review = "Good", isLike = true
                },
                new ProductReview()
                {
                    ProductId = 2, UserId = 2, Rating = 6, Review = "Nice", isLike = true
                }, new ProductReview()
                {
                    ProductId = 1, UserId = 1, Rating = 5, Review = "Good", isLike = true
                }, new ProductReview()
                {
                    ProductId = 1, UserId = 1, Rating = 5, Review = "Good", isLike = true
                }, new ProductReview()
                {
                    ProductId = 1, UserId = 1, Rating = 5, Review = "Good", isLike = true
                },
                new ProductReview()
                {
                    ProductId = 3, UserId = 3, Rating = 4, Review = "Good", isLike = true
                },
                new ProductReview()
                {
                    ProductId = 4, UserId = 4, Rating = 5, Review = "Good", isLike = true
                },
                new ProductReview()
                {
                    ProductId = 5, UserId = 5, Rating = 4, Review = "Good", isLike = true
                },
                new ProductReview()
                {
                    ProductId = 6, UserId = 6, Rating = 3, Review = "Nice", isLike = true
                },
                new ProductReview()
                {
                    ProductId = 9, UserId = 9, Rating = 8, Review = "Good", isLike = true
                },
                new ProductReview()
                {
                    ProductId = 8, UserId = 8, Rating = 3, Review = "Good", isLike = true
                },
                new ProductReview()
                {
                    ProductId = 9, UserId = 9, Rating = 3, Review = "Nice", isLike = true
                },
                new ProductReview()
                {
                    ProductId = 4, UserId = 4, Rating = 4, Review = "Good", isLike = true
                },
                new ProductReview()
                {
                    ProductId = 11, UserId = 11, Rating = 4, Review = "Good", isLike = true
                },
                new ProductReview()
                {
                    ProductId = 12, UserId = 12, Rating = 9, Review = "Good", isLike = true
                },
                new ProductReview()
                {
                    ProductId = 1, UserId = 1, Rating = 3, Review = "Nice", isLike = true
                },
                new ProductReview()
                {
                    ProductId = 14, UserId = 14, Rating = 3, Review = "Good", isLike = true
                },
                new ProductReview()
                {
                    ProductId = 15, UserId = 15, Rating = 5, Review = "Good", isLike = true
                },
                new ProductReview()
                {
                    ProductId = 16, UserId = 16, Rating = 2, Review = "bad", isLike = true
                }
            };

            /* foreach (var list in productReviewList)
             * {
             *   Console.WriteLine("\n-----------------");
             *   Console.Write("\nProductID " + list.ProductId + "\nUserID " + list.UserId + "\nRating " + list.Rating + "\nReview " + list.Review + "\nisLike " + list.isLike);
             * }*/

            ProductManagement management = new ProductManagement();
            //management.TopRecords(productReviewList);
            // management.RetriveRecordsOnSpecificCon(productReviewList);
            //management.CountOfRecordsByProductID(productReviewList);
            //management.RetrieveProductIDAndReview(productReviewList);
            // management.skippedTopFiveRecords(productReviewList);

            ProductReviewDataTable productReviewDataTable = new ProductReviewDataTable();
            DataTable dataTable = productReviewDataTable.CreateDataTableAddDefaultValues();

            /*
             *          Retrive All records
             *          foreach (DataRow row in data.Rows)
             *          {
             *              Console.Write("-->");
             *              foreach (var item in row.ItemArray)
             *              {
             *                  Console.Write(" "+item);
             *              }
             *              Console.Write("\n ");
             *          }*/

            /*// iterate all rows.
             * foreach (DataRow row in data.Rows)
             * {
             *  Console.WriteLine(row.Field<int>(0), row.Field<int>(1), row.Field<int>(2), row.Field<string>(3), row.Field<bool>(4));
             * }*/

            /*foreach (DataRow row in data.Rows)
             * {
             *  foreach (var item in row.ItemArray)
             *  {
             *      bool islike = row.Field<bool>(4);
             *      if (islike == true)
             *      {
             *          Console.Write(" " + item);
             *      }
             *  }
             *  Console.Write("\n ");
             * }*/
            //management.retriveRecordsWhohaveLikeValueTrue(dataTable);
            //management.calAverageRatingOfEachProductID(dataTable);
            //management.RetrievRecordsReviewIsNice(dataTable);
            management.RetrievPerticularUserIDRecords(dataTable);
        }
Exemple #2
0
        /// <summary>
        /// Defines the entry point of the application.
        /// </summary>
        /// <param name="args">The arguments.</param>
        static void Main(string[] args)
        {
            Console.WriteLine("Welcome to product review mangaement with linq");
            /// Created instances of object class
            ProductManagement productManagement = new ProductManagement();
            /// Created a list
            List <ProductReview> productReviewList = new List <ProductReview>()
            {
                new ProductReview()
                {
                    ProductId = 1, UserId = 1, Rating = 5, Review = "Good", isLike = true
                },
                new ProductReview()
                {
                    ProductId = 2, UserId = 2, Rating = 4, Review = "Good", isLike = true
                },
                new ProductReview()
                {
                    ProductId = 3, UserId = 3, Rating = 5, Review = "Good", isLike = true
                },
                new ProductReview()
                {
                    ProductId = 4, UserId = 4, Rating = 5, Review = "Good", isLike = true
                },
                new ProductReview()
                {
                    ProductId = 5, UserId = 5, Rating = 4, Review = "Good", isLike = true
                },
                new ProductReview()
                {
                    ProductId = 6, UserId = 6, Rating = 5, Review = "Good", isLike = true
                },
                new ProductReview()
                {
                    ProductId = 7, UserId = 7, Rating = 5, Review = "bad", isLike = true
                },
                new ProductReview()
                {
                    ProductId = 8, UserId = 8, Rating = 5, Review = "Good", isLike = true
                },
                new ProductReview()
                {
                    ProductId = 9, UserId = 9, Rating = 5, Review = "nice", isLike = true
                },
                new ProductReview()
                {
                    ProductId = 10, UserId = 10, Rating = 4, Review = "Good", isLike = false
                },
                new ProductReview()
                {
                    ProductId = 11, UserId = 10, Rating = 4, Review = "nice", isLike = true
                },
                new ProductReview()
                {
                    ProductId = 12, UserId = 10, Rating = 5, Review = "Good", isLike = true
                },
                new ProductReview()
                {
                    ProductId = 13, UserId = 11, Rating = 2, Review = "Good", isLike = false
                },
                new ProductReview()
                {
                    ProductId = 14, UserId = 12, Rating = 5, Review = "nice", isLike = true
                },
                new ProductReview()
                {
                    ProductId = 15, UserId = 13, Rating = 3, Review = "Good", isLike = false
                },
                new ProductReview()
                {
                    ProductId = 16, UserId = 13, Rating = 4, Review = "nice", isLike = true
                },
                new ProductReview()
                {
                    ProductId = 17, UserId = 13, Rating = 4, Review = "Good", isLike = true
                },
                new ProductReview()
                {
                    ProductId = 18, UserId = 14, Rating = 5, Review = "Good", isLike = false
                },
                new ProductReview()
                {
                    ProductId = 19, UserId = 15, Rating = 5, Review = "Good", isLike = false
                },
                new ProductReview()
                {
                    ProductId = 20, UserId = 16, Rating = 5, Review = "nice", isLike = false
                },
                new ProductReview()
                {
                    ProductId = 21, UserId = 17, Rating = 4, Review = "Good", isLike = false
                },
                new ProductReview()
                {
                    ProductId = 22, UserId = 10, Rating = 5, Review = "Good", isLike = false
                },
                new ProductReview()
                {
                    ProductId = 23, UserId = 18, Rating = 5, Review = "Good", isLike = false
                },
                new ProductReview()
                {
                    ProductId = 24, UserId = 20, Rating = 5, Review = "Good", isLike = false
                },
                new ProductReview()
                {
                    ProductId = 25, UserId = 20, Rating = 5, Review = "Good", isLike = false
                },
            };

            /// UC1
            /// Iterating through list.
            //foreach (var list in productReviewList)
            //{
            //    Console.WriteLine("ProductId :-" + list.ProductId + " " + "UserId:-" + list.UserId + " " + "Rating :-" + " " + list.Rating + " "
            //    + "Review :-" + list.Review + " " + "isLike :-" + list.isLike);
            //}

            /// Retrieve records Having same user id with ratings
            productManagement.RetrieveRecordsHavingSameUserIdwithRatings();
        }