, people began to match data in relational databases with a collection of entity model objects using generic technology, which solves the shortcomings of the DataTable approach, and it has the characteristics of strong typing, auto-completion in VS, compile-time checking, etc. NET Developer's favorite.In order for developers not to do this "match" work manually, many ORM tools (such as
Not long ago, I saw the news that Microsoft was preparing to open-source the Entity Framework. As soon as it was open-source, more students will definitely join the learning Entity Framework Team, therefore, I will write down some of my understanding of Entity
http://blog.csdn.net/jfchef/article/details/7632872What is the difference between the Entity Framework and LINQ to SQL? This is a very common problem. The main differences between the two technologies are briefly outlined in the table below.
LINQ to SQL
Entity Framework
Complexity
Entity Framework
The Entity Framework is a set of technologies in ADO. net that helps fill in the space between object-oriented development (objects) and databases. this gap is commonly known as an "impedance mismatch" and it exists because the mapping and organization of c
Before writing: I want to decompile system. Data. entity. dll (4.0 version) through refector, and find that only the attribute declaration and method declaration are decompiled.CodeNone of them. It's a big deal. I tried a few. the same is true for other net4.0 DLL files, and the refector on my machine is the latest version. Later I thought the dll path was incorrect and I referenced C: \ Program Files \ reference assemblies \ Microsoft \
standard language file(. MSL) -- defines the ing m between the storage model and the conceptual model.
The Entity Framework uses these XML-based models and ing files to convert the creation, read, update, and delete operations on entities and relationships in the conceptual model to the equivalent operations in the data source. EDM even supports ing entities in the conceptual model to stored procedur
Tags: style os using IO strong file data problem SPWhat is the difference between the Entity Framework and LINQ to SQL? This is a very common problem. The main differences between the two technologies are briefly outlined in the table below.
LINQ to SQL
Entity Framework
Complexity
. NET 3.5 launched Entity Framework, known as Microsoft in the future. NET, it will also become a technical solution for Microsoft to integrate data across all applications, with VS2010 and. NET 4.0, Entity
Microsoft announced a significant improvement in the performance of Entity Framework 5
Posting by itwriter published on comment (7) 1542 people read the original article link [favorites]»
According to the introduction on the blog of the ADO. Net team, EF applications of this version are used.ProgramThe performance improvement is partly due to the automatic co
ImprovementEntity model designer, multi-graph modelBatch import Stored Procedure
EF 6
Visual Studio 2013 (. NET 4.5)
Enhanced Power ToolsEF is released independently from Visual Studio and. NET through nugetYou can configure the number of Retries for an unstable connection.Supports asynchronous Task-based programming mode async query and save in. Net
injection, Aspect-oriented programming (AOP), data access abstraction, and ASP. NET integration.
Autofac: The most popular dependency injection and IOC framework, lightweight and high-performance, has almost no intrusion into project code.
PostSharp: Implements static AOP cross-cutting concerns. It is easy to use and has powerful functions, so there is no need to change the method for intercepting the targ
Tags: style blog http io ar os sp for strongThe error message while trying to create a ADO. NET entity Data Model (Entity Framework 6) for MYSQL Database in Microsof T Visual Studio 2013"Your Project references the latest version of the Entity
expressions-see Colin's blog post.
One of IQToolbox's useful visitor is called ExpressionWriter and some of its plug-ins-It exposes all constructors and basic Visit methods-you can use it to convert expressions before the Entity Framework query is executed output to the console:
CustomersContext _ ctx = new CustomersContext ();ExpressionWriter _ writer = new ExpressionWriter (Console. Out );Public IQueryab
Label: des style blog HTTP color Io ar JavaPreface
LINQ (Language Integrated Query) is a group used for C # and VB.. Net Language extension, which allows the compilation of C # Or VB.. Net code, which operates the memory data in the same way as the query database. 7: LINQ to entities in the series of Entity Framework t
be mapped to the database in the program, and then the EntityFramework can generate the corresponding database according to the object structure.
2. ModelFirst
Model First is used to define the Model with boxes and lines, and then generate a database.
With Model First, you can use the Entity Framework designer to design a new Model and then generate a database architecture from the Model. The model is sto
Entity Framework learning notes (2) Data Model use process, entityframework
Use Entity Framework data Model creation:
Development Environment: VS2012
Database: SQL Server 2008
Entity Framework Version: 6.12
The following figure sh
Reprint http://www.th7.cn/Program/net/201301/122153.shtmlHow Code first handles inheritance between classes. Entity Framework Code First has three methods for handling inheritance relationships between classes, and we will describe each of the three processing methods.1.Table Per Hierarchy (TPH): Create only one table that maps all the properties in the base clas
Entity Framework advantages and disadvantages and usage summary Entity Framework is an ORM framework provided by Microsoft. It aims to facilitate the rapid development of data layers in small applications.
More than downloads on nuget indicate that.
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