entity framework book

Http://www.cnblogs.com/sansi/archive/2012/10/18/2729337.htmlProgramming Entity Framework Second Edition translation indexYou can query the Entity Data model using various methods. You choose some methods because of your personal preferences, while others are because you can take advantage of special benefits. You've probably heard LINQ to Entities and

From the blog Park development team to develop frontline news:In the Entity Framework, if entity A is associated with entity B, you want to load entity B while loading entity a. It is common practice to use include () in LINQ quer

The original purpose of the translation and why choose the Entity Framework 6 Recipes to learn, please see the beginning of this series2-10 Table per Hierarchy inheritance modelingProblemYou have a database table that has a type or identification column. It can tell what the data in the row represents in your application. You want to model using table per hierarchy (TPH) inheritance mapping.Solution Solutio

Entity Framework Quick Start -- ModelFirst, entity -- modelfirst Entity Framework not only facilitates operation, but also considers user friendly interaction. The perfect combination of EF4.0 and vs2010 is also a reason for us to choose it. Compared with Nhibernate Microsof

This article is ADO. NET Entity Framework Series of articlesArticle 3: continue to demonstrate how to use the entity of ADO. NET Entity Framework as the data source of the data control to easily display data records in the Data Control. ADO. the first two articles of NET

Entity Framework 6.0 supports enumeration/the primary key is reversed after the Entity is added. entityframeworkLab Go directly to the code and view the result Entity class [Flags] public enum FlagsEnum { Day = 1, Night = 2 } public class EntityWithEnum { public int ID { get; set;

ArticleDirectory Where does the context and class come from? Write your first LINQ to entities Query Programming Entity FrameworkVersion 2Translation Index You can use various methods to query the object data model. You choose some methods because of your personal preferences, while others because you can use special benefits. You may have heard of LINQ to entities and Entity SQL. You c

Familiarity with the Entity Framework should be not unfamiliar to the film, he is the ADO Entity Data Model Wizard: You can automatically generate a model class for a database table, or create a model file for code first.However, this Model wizard only displays Microsoft's own SQL Server data source by default, and if you want to use a MySQL data source, you have

Http://www.cnblogs.com/dudu/archive/2012/04/13/entity_framework_include_where.htmlIn the Entity Framework, if entity A is associated with entity B, you want to load entity B while loading entity a. It is common practice to use inc

Entity Framework learning notes-EF introduction (an article tells you what EF is), entity learning notes Entity Framework is a data-oriented "Entity Framework" based on ADO. NET ". EF.

When you generate an ADO. NET Entity Data Model (Entity Data Model) through a database, the number of entity classes generated may be less than the number of data tables. The following describes two possible causes. 1. All columns of the data table can be empty. When a data table has a primary key, the object data model uses the primary key as the

Today, I just learned the razor of MVC and used the Entity Framework together. The following error is returned: Cs0012: the type'System. Data. Objects. dataclasses. entityobject' IsDefinedInAn assembly thatIsNot referenced. You must add a reference to assembly'System. Data. entity, version = 4.0.0.0, culture = neutral, publickeytoken = b77a5c561934e089'.

;namespacecodefirst_fluentapi_tutorials{ Public classSchoolcontext:dbcontext { PublicSchooldbcontext ():Base() { } PublicDbsetGet;Set; } PublicDbsetGet;Set; } protected Override voidonmodelcreating (Dbmodelbuilder modelBuilder) {modelbuilder.entityDelegate(entitymappingconfigurationstudentconfig) {studentconfig.properties (P=New{p.studentid, p.studentname}); Studentconfig.totable ("Studentinfo"); }); Action{m.properties (P=New{p.studentid, p.height, P.weight, P

Description of Entity notes corresponding to the automatic association query and automatic association update navigation properties of Entity Framework, entityframework I. First, I want to know about the automatic association query of Entity Framework: Automatic association

Install Entity Framework Power Tools, 2015 entity on Visual Studio 2015 Entity Framework Power Tools is a very useful EF Code First plug-in. It allows you to easily generate model and dbcontext code that matches the database structure.This section describes how to switch th

Tags: event div sop ase Lap span onclick parent class interface1. Create an Entity Data Model using DB Frist modeDb Frist Create an Entity Data model (creating an EDMX is not the point, you can do it randomly), here named Zerocodedb, the resulting documents; Where the red box of the file (ZEROCODEDB.TT) is the entity's generated key code, that is, entity's T4 template file, this article is to move the knife