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上一篇讲述了LINQ,顺便说了一下Where操作,这篇开始我们继续说LINQ to SQL语句,目的让大家从语句的角度了解LINQ,LINQ包括LINQ to Objects、LINQ to DataSets、LINQ to SQL、LINQ to Entities、LINQ to XML,但是相对来说LINQ to SQL在我们程序中使用最多,毕竟所有的数据都要在数据库 ...
This test harness illustrates how EntityRef associations can replace the Order.CustomerID, Order.EmployeeID, and Order.ShipVia entity property (foreign key) values with Customer.CompanyName, ...
Twice in the past couple of months I’ve gotten tripped up by the same data issue when using LINQ to Entities in the .NET framework. I create a simple view in my database which performs some ...