Programming Entity Framework: DbContext doc

... context.Entry(destination).State = EntityState.Deleted; context.SaveChanges(); } } Using a stub entity to mark for deletion Entity Framework only needs the key value(s) of an entity to be able to construct ... is known as a stub entity. The code then sets the State property for this new entity to Deleted, indicating that it is an existing entity to be marked for deletion. Because...

Ngày tải lên: 08/03/2014, 18:20

... context.Entry(destination).State = EntityState.Deleted; context.SaveChanges(); } } Using a stub entity to mark for deletion Entity Framework only needs the key value(s) of an entity to be able to construct ... is known as a stub entity. The code then sets the State property for this new entity to Deleted, indicating that it is an existing entity to be marked for deletion. Because...

Ngày tải lên: 23/03/2014, 02:20

... 303 Understanding How the EntityDataSource Retrieves and Updates Your Data 304 EntityDataSource and Its Query 304 EntityDataSource and Its ObjectContext 305 EntityDataSource Context Events 306 EntityDataSource ... with Related EntityReference Data 309 Using EntityDataSource.Include to Get Related Data 309 Displaying Data That Comes from EntityReference Navigation Properties 310 Using a New En...

Ngày tải lên: 08/03/2014, 18:20

... 303 Understanding How the EntityDataSource Retrieves and Updates Your Data 304 EntityDataSource and Its Query 304 EntityDataSource and Its ObjectContext 305 EntityDataSource Context Events 306 EntityDataSource ... with Related EntityReference Data 309 Using EntityDataSource.Include to Get Related Data 309 Displaying Data That Comes from EntityReference Navigation Properties 310 Using a New En...

Ngày tải lên: 15/03/2014, 20:20

... you use DbContext with Code First, you will see it used throughout this book. However, a sep- arate book, called Programming Entity Framework: DbContext, will delve more deeply into DbContext, ... second short book titled Programming Entity Framework: DbContext, which will focus on DbContext, DbSet, Validation API, and using the features that are also part of the Entity Fr...

Ngày tải lên: 23/03/2014, 02:20

... “LINQ to Entities: Modeling Data with Entity Framework,” you will learn how to create an Entity Data Model and how to leverage the new modeling features of Entity Framework 4.0. Chapter 9, “LINQ ... . . . . . . . . . . . . . . . 127 Unique Object Identity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129 Entity Constraints . . . . . . . . . . . ....

Ngày tải lên: 29/03/2014, 14:20

... to related data.  Entity set An entity set is the logical container for an entity and any other entities de- rived from that first entity. For example, a PastDueOrder entity definition and the ... getters and setters. One or more properties in an entity are designated as the entity key, which uniquely defines each entity. All entities require an entity key. Multiple properti...

Ngày tải lên: 03/10/2013, 00:20

... ThreadStart(this.LoadXmlDocument)); statusBar.Text = "Loading document "; t.Start(); } void LoadXmlDocument() { XmlDocument doc = new XmlDocument(); doc. Load(InputFile.Text); ... Main(String[] args) { try { String fileName = args[0]; XmlDocument doc = new XmlDocument(); doc. Load(fileName); XmlElement root = doc. DocumentElement; LoopThrough...

Ngày tải lên: 11/12/2013, 14:15

... liệu LINQ to SQL và ADO.NET Entity Framework. 3. Các bước cơ bản xây dựng Dynamic Data với ADO.NET Entity Framework Trả lời:  Tạo project Dynamic Data ADO.NET Entity Framework  Xây dựng ... Dynamic Data với ADO.NET Entity Framework 2 Bài số 8 DYNAMIC DATA VỚI ADO.NET Entity Framework Bài này giới thiệu cách xây dựng ứng dụng Dynamic Data với ADO.NET Entity Framework...

Ngày tải lên: 13/12/2013, 09:15

... … 57 What is PWM? 58 PATTERN: Software PWM 59 Preparations for the next seminar 62 I Programming Embedded Systems II A 10-week course, using C 40 39 38 37 36 35 34 1 2 3 4 5 6 7 ‘8051’ ... http://www.le.ac.uk/engineering/mjp9/ II Copyright © Michael J. Pont, 2002-2007 This document may be freely distributed and copied, provided that copyright notice at t...

Ngày tải lên: 13/12/2013, 11:15