Linq to sql entity classes

The best way to write queres using LINQ to SQL is by having a DataContext-derived class in your code that exposes all the tables, stored procedures, and user-defined functions you need as properties of a class instance. You also need entity classes that are mapped to the database objects. As you have seen in previous chapters, this mapping can be made by using attributes to decorate classes or through an external XML mapping file. However, writing this information by hand is tedious and error-prone work. You need some tools to help you accomplish this work....

0p trasua_123 29-12-2012 53 8   Download

LINQ is the project name for a set of extensions to the .NET Framework that provide a generic approach to querying data from different data sources. LINQ will premier in Visual Studio 2008, and will become the next must–have skill for .NET developers. For more information about LINQ, you can check out the author’s portal at

624p possibletb 29-11-2012 78 18   Download

LINQ to SQL Tutorial 2. Các lớp thực thể LINQ to SQL cho phép bạn mô hình hóa các lớp ánh xạ vào CSDL. Các lớp này thường được là “Entity Class” (lớp thực thể) và các instance của nó thường được gọi là “Entity” (thực thể). Các lớp entity ánh xạ vào các bảng bên trong một CSDL. Các thuộc tính của các lớp thông thường ánh xạ vào các cột trong bảng. Mỗi instance của một lớp thực thể biểu diễn một dòng trong bảng. ...

12p kemoc5 06-06-2011 145 43   Download

1834 LinkButton control cross-page posts, 96, 98, 100 displaying on pages, 86-87 events, 89 Focus( ) method, 89 properties, 88-89 linking to other pages with routes, 1142-1143.

10p yukogaru11 30-11-2010 54 6   Download

In the previous chapter, I introduced you to LINQ. I provided some examples to whet your appetite, and shared some premature tips. You may be perplexed though by some of the syntax. If so, it is probably because the C# you witnessed in that chapter is new and improved. The reason for the C# language upgrade is that C# 2.0 just didn’t have the muscle to pull off LINQ. In this chapter, I introduce you to the more powerful C# 3.0.

626p dreamlclove 21-08-2009 723 264   Download