e.g. 5.27 Using LINQ to Query Data

chap5_essential_language_features/essential_csharp_features/Program.cs

@@ -18,23 +18,24 @@ namespace automatically_implemented_properties
                 new Product {Name = "Corner flag", Category = "Soccer", Price = 34.95M}
             };
 
-            // define the array to hold results
+            var results = from product in products
-            Product[] results = new Product[3];
+                orderby product.Price descending
-            // sort the contents of the array
+                select new
-            Array.Sort(products, (item1, item2) =>
                 {
-                return Comparer<decimal>.Default.Compare(item1.Price, item2.Price);
+                    product.Name,
-            });
+                    product.Price
-            // get the first three items in the array as the results
+                };
-            Array.Copy(products, results, 3);
-            // print out the name
-            foreach (Product p in results)
-            {
-                Console.WriteLine("Item: {0}, Cost: {1}", p.Name, p.Price);
-            }
 
             int count = 0;
-            // print the name
+            // print out the names
+            foreach (var p in results)
+            {
+                Console.WriteLine("Item: {0}, Cost: {1}", p.Name, p.Price);
+                if (++count == 3)
+                {
+                    break;
+                }
+            }
         }
 
     }