entity framework mysql

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

process, we first query the problem and then update it to the database. In this way, we have operated the database twice, obviously it's not what we want, so how can we solve this problem, that is, we don't need to query it first and then update it? The answer is yes! When talking about this problem, Old Wei has to say sorry here, because the content of the first two chapters is of MySql EF5, therefore, the content of EF6 in this section has slightly

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

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

Entity Framework 6 Recipes Chinese translation series (45), entityframework For the original intention of translation and why I chose Entity Framework 6 Recipes, see the beginning of this series.8-6 get the original object Problem 　　You are using POCO and want to obtain the original object from the database. Solution S

The original series is from English. Tip 1: How to sort the relationship (Relationships) in Entity Framework) Problem: In the Entity Framework forum, you will often see questions about sorting associated projects. For example, imagine you want to query the customer and return the accounts that owe more than 30

I recently re-learned Entity Framework. I saw a good learning tutorial. I will repost it here. The tutorial is as follows. Abstract: I recently studied Microsoft's ef. After studying this time, I feel that this EF is not perfect yet. It is a semi-finished product. However, it is said that in. net4.0, Microsoft will recommend this framework and improve it. In addi

In the old Entity Framework, developers can generate business entity models from existing databases. This development method is called database-driven development method. In the Entity Framework of 4.1, a developer is allowed to create an

Entity Framework 6 Recipes Chinese translation series (14), entityframework For the original intention of translation and why I chose Entity Framework 6 Recipes, see the beginning of this series.3-6 set the default value in the query Problem 　　You have a use case that sets the default value for the corresponding proper

Entity Framework Quick Start -- directly modify (brief introduction to objectcontext processing mechanism) Before introducing how the Entity Framework modifies an object to a database, let's briefly introduce the processing mechanism of objectcontext. 1. objectcontext Processing Mechanism Objectcontext is entityFramewo

Turn from: http://www.cnblogs.com/huangcong/archive/2011/07/20/1931107.html in the previous text template (T4) experience we already know the usefulness of T4, Here's a look at how you can use it to implement bulk modification of the class name in the Entity Framework. We all know that there is one way in the ADO Entity Data model to generate a data model from a

Enable Entity Framework to support multiple databases Luo chaohui (http://kesalin.cnblogs.com /) This article follows the "signature-non-commercial use-consistency" creation public agreement EF supports SQL Server very well, both code first, model first, and database first, but it is not so friendly to non-Microsoft databases, currently, the only guarantee is that database first supports most datab

First, the difference between LINQ to SQL and the Entity Framework:Both LINQ to SQL and the Entity Framework are object-relational mapping techniques that contain LINQ functionality. The essential difference between them is that EF does a better job of decoupling the database schema from the type of our query. With EF, the object we're querying is no longer a C #

So far, applications have been running on local IIS Express. If you want someone to access your application over the Internet, you must deploy it to a Web server and deploy the database to the database serverThis article will teach you how to use the very valuable two features of the entity Framework 6 when deploying your application to a cloud environment: elastic connections (Automatic retry of instantane