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2012年4月24日 #

1.4.2 用LINQ to XML 对 XML 文件进行处理

摘要: <?xml version="1.0" encoding="utf-8" ?><Data> <Products> <Product Name="West Side Story" Price="9.99" SupplierID="1"></Product> <Product Name="Assassins" Price="14.99" SupplierID="2">& 阅读全文

posted @ 2012-04-24 23:11 xiacy 阅读(160) 评论(0) 推荐(0) 编辑

1.4.1 LINQ 查询表达式和进程内查询

摘要: 使用查询表达式的前几步:筛选集合List<Product3> products = Product3.GetSampleProduct();var filtered = from Product3 p in products where p.Price > 10 select p;foreach (Product3 product in filtered) Console.WriteLine(product);联接(joining)、筛选(filtering)、排序(ordering)和投影(projectin... 阅读全文

posted @ 2012-04-24 22:49 xiacy 阅读(200) 评论(0) 推荐(0) 编辑

1.2.1 数据的过滤

摘要: C# 1.0 测试循环和打印ArrayList products = Product1.GetSampleProducts();foreach (Product1 product in products){ if (product.Price > 10m) Console.WriteLine(product);}C# 2.0 测试和打印分开进行List<Product2> products = Product2.GetSampleProducts();Predicate<Product2> test = delegate(Product2 p) { return 阅读全文

posted @ 2012-04-24 22:27 xiacy 阅读(252) 评论(0) 推荐(0) 编辑