microsoft entity framework tutorial

Here I'm talking about the introduction to the Entity Framework. Download the Northwind database from the Web, create a new console program, and re-add an ADO Entity Data model."Gateway" (Operation context) for manipulating databases in EFDbContext encapsulates the connection between the. NET Framework and the database

ArticleDirectory What is o/R Mapping? Introduction to Entity Framework The Entity Framework is a set of data-oriented software applications in ADO. net.Program. Is An ORM framework of Microsoft. What is o/R Mappi

[Original] Entity Framework query principle, entityframeworkPreface The full name of Entity Framework is ADO. NET Entity Framework, which is an ORM (Object/Relational Mapping) Framework

Address: http://www.cnblogs.com/WilsonWu/archive/2011/12/16/2290110.html Recently, I had to study the Oracle database because of the need of the project. I think back to the last time I used Oracle for years. During my internship, BMW Brilliance's project had a simple access to Oracle. This project needs to be based on the. NET platform. My personal habit is that I can use the built-in functions of Microsoft without a third party. Based on this p

EF Entity Framework What is Entity? I believe everyone knows it. When we reconstruct the data center charging system, the layer responsible for data transfer between the three layers. How is the data type defined in a scope. I. What is the Entity Framework?

, 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 entity

implements this tool. Oracle is not the only non-SQL Server database with support for EF providers -- the ADO. net provider page lists all third-party providers for various databases, all of which support the Entity Framework. 　　View Original English text:Oracle provider gets EF support In Visual Studio 2010 by default. the Entity

Recently, looking at MVC, I've seen several tutorials that use the Entity Framework for data persistence. I've heard about this before, and I've seen a demo video on Microsoft's website, but I haven't done much research. The MVC thing is too big to be familiar with first. However, you can start with one of these parts and learn the entity

Entity Framework (EF) 5 was officially released shortly after Entity Framework was announced to be open-source. EF5 released on the ADO. Net official blog lists the new features of EF5: Supported enumeration types Performance Enhancement, especially in. Net 4.5 Automatic use of localdb and sqlserverexpres

Official Document: Http://docs.oracle.com/cd/E56485_01/win.121/e55744/intro001.htm#ODPNT123Oracle's support for Microsoft Entity Framework EF6 is implemented in a new version of Odp.net.Oracle Data Access Components (ODAC) Windows Downloads:ODAC 12c Release 3Includes support for Entity

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 Microsoft, this is indeed a good job. The following is a simple example of codefirst. We are still following the previousArticleEntity

(select * from sys.objects sowhere so.object_id=object_id(N'InsertBingMap')and so.type in (N'P'))drop procedure [dbo].[InsertBingMap]gocreate procedure [dbo].[InsertBingMap](@Name nvarchar(50), @GeoType nvarchar(50), @Locations nvarchar(max), @Latitude decimal(18,12), @Longitude decimal(18,12), @Radius decimal(18,12))asinsert into BingMap(Name,GeoType, Locations,Latitude,Longitude,Radius)values(@Name, @GeoType, geometry::STPolyFromText(@Locations,4326),@Latitude, @Longitude, @Radius)select * fr

Entity Framework 4.1: Multi-to-many relationship, entityframework Original article name: Entity Framework 4.1: failed to define Relationships (5) Address: http://vincentlauzon.wordpress.com/2011/04/15/entity-framework-4-1-many-to-

Microsoft's vision. net is a wide one. in addition to their desire for it to support all programming languages, either directly or through interoperability layers, they also want to bring together all communication frameworks and data storage engines. while WCF is making headway for standardizing communication APIs, their universal data access model Entity Framework is lagging behind. A major problem up u

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 technology provides a wide range of SQL-like Query syntaxes, which are powerful and easy to

The EF (Entity Framework) is the object-relational correspondence developed by Microsoft on the basis of ADO (O/R Mapping (Object-relational mapping, or ORM, is a technique for solving the mismatch between object-oriented and relational databases.) relationalmapping )) solution. The Entity