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Entity Framework 4 in action is my first English book I have read for so many years. At first I went to learn English in order to read this book. Later I simply read and read several chapters, the English reading capability has been greatly improved. Unfortunately, at the end, I did not learn anything substantive, but
Entity Framework 4.1/4.3 One (concept) Preface: Hello everyone, I want to die for you. Because I want to write an article on the Entity Framework series, I wrote the preface here. On the one hand, I want to talk about the starting point of my article series, and on the other hand, I want to talk about the writing ideas
Original article: http://ramanisandeep.wordpress.com/2010/12/09/linq-to-sql-vs-ado-net-entity-framework/ The choice between LINQ to SQL and ADO. NET Entity Framework I believe that many new ASP. NET users often cannot figure out which one should be selected between LINQ to SQL and ADO. NET
[Original address] Code-first development with Entity Framework 4 . Net 4 is accompanied by the release of an Entity Framework (EF)-a data access function library located in the system. Data. entity namespace. When Entity
Learning Code First and entityframework in Entity Framework Reference page: Http://www.yuanjiaocheng.net/entity/dbcontext.html Http://www.yuanjiaocheng.net/entity/entitytypes.html Http://www.yuanjiaocheng.net/entity/entity-relatio
Original article name: Entity Framework 4.1: Optimistic Concurrency (6) Address: http://vincentlauzon.wordpress.com/2011/04/17/entity-framework-4-1-optimistic-concurrency-6/We can see the English tutorial recommended for Entity Framework
concurrency, you can use database locks, known as pessimistic concurrency. For example, when you read a record from a database, you can lock it to read-only or update the state. If you lock a record to an updated state, other users will not be able to lock the record again, whether it is a read or update operation. If you lock a record as read-only, other people can lock it as read-only, but not update the operation.Management locks also have drawbacks, which can lead to more complex programmin
The school data model was completed in the previous article, and you will then learn how to read and display the relevant data-this is the data that the Entity Framework loads into the navigation properties.is done after thedelay, pre-and display loading related dataThe Entity Framework can load data into the navigatio
yet launched a similar framework, and still relies on ado.net, the traditional data access tool. It is estimated that Microsoft also heard complaints from programmers, so from a objectspace (ObjectSpace) from one to 2005 years early. Proposed that the concept of the application being able to connect to and access the database in a fully object-based way, with a technical concept similar to that of NHibernate, was finally released in 2008 Ado.net
. Net 4 is accompanied by the release of an Entity Framework (EF)-a data access function library located in the system. Data. entity namespace. When Entity Framework was first released in. Net 3.5 SP1, manyProgramThe staff gave us feedback and pointed out what they thought
read related data for ASP.net MVC application This is the Microsoft Official tutorial Getting started with Entity Framework 6 Code The 5 Series translation, this is seventh: read the relevant data for the ASP.net MVC application Original: Reading Related Data with the Entity Framework in a asp.net MVC application You
Why is another data model required? So why do we need to build another model? As the company's data processing volume increases, streamline the data relationship and develop applications based on the data.ProgramIt becomes very difficult. Storage problems (such as data integrity, performance, and management) need to be considered in the design of the database architecture. Sometimes this is not easy to understand. These architectures often conflict with application structures, making developme
This article is the ABP Official document translation version, translated based on the 3.2.5 versionOfficial documents in four partsFirst, the tutorial documentIi. ABP FrameworkThree, Zero moduleIv. Other (Chinese translation resources)This is the first part of this article.The first part is divided into three articles1-1 hand-introduced door1-2 Advanced1-3 Miscellaneous (related theoretical knowledge)The first article contains two steps.1-1-1 ASP Entity
Some time ago there were many Article This article introduces and analyzes LINQ to SQL. It can be said that it is a simple implementation of ORM, which is a problem that Microsoft has unbalanced impedance between data and objects. C #3.0 introduces some new features, such as extension method, Lambda expression, and anonymous type. In fact, these new features are used to serve LINQ. Program In the past, I was freed from writing a large number of SQL query statements, values, and assignments. I
Entity Framework Code First Learning Series CatalogEntity Framework Code First Learning Series Description: Development environment for Visual Studio + Entity Framework 5.0+ms SQL Server 2012, database-side Entity
Entity Framework 6 Recipes 2nd Edition (10-10), entityrecipes 10-10. The insert, update, and delete operations inherited by TPH are mapped to the stored procedure. Problem TPH inherits the model and maps its insert, modify, and delete operations to the stored procedure. Solution Assume that the database has a Product table describing different types (see Figure 10-13 ). A derived model is created for each p
As part of my thesis I measured the performance of some. net orm frameworks including NHibernate and Entity Framework. measuring was done by implementing two simple applications using the same table structure and doing the same operations on the same data. Note: before reading this article please see my views on comparing ORM tools. Also see the follow up post to this comparison for revised results. I measu
. But it does not mean that EF is opposed to these Object Relational Models. Directory Chapter 2 Introduction to the ADO. Net object framework Part 1 Part 2 Chapter 2 exploring the Entity Data Model (EDM) Part 1 Part 2 Part 3 Chapter 2 querying the Entity Data Model (EDM) Part 1 Part 2 Chapter 2 in-depth exploration of LINQ to entities
Entity Framework 6 Recipes 2nd Edition (10-9), entityrecipes 10-9. Use stored procedures for insertion and deletion in many-to-many relationships Problem To use a stored procedure in a load-free multi-to-Multi-Link (the stored procedure only affects the connected tables) Solution Assume that there is a multi-to-many relationship between the Author table (Author) and the
Entity Framework basics, entityframeworkOverview Entity Framework (EF) is another product specifically implemented by Microsoft ORM. This blog will briefly introduce it. As for its deep-seated usage, You can query the corresponding operation manual. This article is only an entry point. Relationship between
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