entity framework latest version

Entity Framework 4.1/4.33 (transition from 4.0 to 4.1/4.3) Hello everyone, I was busy on the first two Mondays. In the new project, I used Entity Framework 4.3, but it actually transitioned from 4.0. You know, once you get used to a method and want to change it, it's really not easy. I had the courage to make a transi

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

fileMySql.Data.dllMySql.Data.Entity.EF6.dllMySql.Web.dllThen configure the Web Config "Somenameyourlike " Providername=" connectionstring= " server=110.100.45.100;database=databasename;uid=username;password=password; /> "true" targetframework="4.5"> "System.Data.Entity, version=4.0.0.0, Culture=neutral, publickeytoken=b77a5c561934e089" /> "Mysql.data, version=6.9.3.0, Culture=

note, the same ). There are two methods to implement ing: (1) register the alias of the class in the ActionScript class. Use remoteclass (alias = ". Net fully qualified class name "); (2) Add the classmappings node to the Web. config file. In some cases, the first method fails. You can try the second method. Obviously, it is most convenient to use a value object to transmit data to. net. Of course, the bytearray data type is also very important. For example, the traditional method for

Web. config to add a database connection string.To open the migrations function of the Entity Framework:Pm> enable-migrationsBTW: In the new version of the Entity Framework, you can already use automatic migration, do not need to manually upgrade the database structure for each model change, open the method is simple:

This idea has been around for a long time, and there is already a prototype version. I tentatively set it to fireasy. Data. entity. Let me first talk about my idea. The ing of entities will be defined in the form of dependency attributes. This will avoid the use of reflection for object initialization, and it will also implement otherCode. In this framework,

Entity Framework 4.1/4.3 (DBContext 3 state tracking) 　　Let's talk about DBContext. This time the content will be consistent with the content mentioned in DBContext 2. 2. add, delete, and modify objects in DBContext (Adding, Changing, and Deleting Entities) In DBContext 2, we talked about "add, delete, and modify", in which we already talked about "add, delete, and modify ". Some of the content is not men

, you can directly access the base class method and let the base class throw it ~ So you don't have to worry about anything ~ Problems encountered in Entity Framework: Not only mvc2.0, but EF does not have high support for dependency injection. It is mainly reflected in that objectcontext is automatically generated by the tool and can be modified, but it is not recommended to be modified. Objectcontext ha

Recently, we have developed a small application that uses SQLite as a database. When we started using dblinq, there was an unsupported problem when we made a LINQ query. Later I saw that Entity Framework (EDM) supports SQLite, so it was converted quickly. Complete development and test on the development machine. Deploy it to the official environment and start to see "The specified storage zone providesProgr

"1.0"encoding="Utf-8"?>"EntityFramework"Type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, version=6.0.0.0, culture= Neutral, publickeytoken=b77a5c561934e089"requirepermission="false"/> //go.microsoft.com/fwlink/?linkid=237468 --"v4.0"sku=". netframework,version=v4.5.1"/> "MySql.Data.MySqlClient"/> "MySQL Data Provider"Invariant="MySql.Data.MySqlClient"description=". Net

Today, the performance detection and monitoring of EF and MVC projectsFirst, let's introduce the tools we use today.miniprofiler~The introduction of this thing is as follows:MVC Miniprofiler is a small program designed by the stack Overflow team for performance analysis of ASP. You can monitor a page itself, as well as other pages accessed through direct references, Ajax, and IFRAME, to monitor content including database content, and to display SQL for database access (EF, EF codefirst, etc.). a

Label:For an introduction to how to use the EF Power tool, see http://www.cnblogs.com/LingzhiSun/archive/2011/05/24/EFPowerTool_1.html, which is no longer verbose. MySQL has a default sample database in the world, with three tables in it, Download the entity Framework Power Tools installation package, which is now the BETA3 version, http://visualstudiogallery.ms

Recently, we have developed a small application that uses SQLite as a database. When we started using dblinq, there was an unsupported problem when we made a LINQ query. Later I saw that Entity Framework supports SQLite, so it was quickly converted. Complete development and test on the development machine. When deployed to the official environment, the following error occurs: "The specified storage zone pro

. NET Core Entity Framework Core how do you create DbContext and entitydbcontext This article is copyrighted by the blog and the author Wu Shuang. You are welcome to repost it. for reprinting and crawlers, please indicate the original address of the snail bait in the blog garden at http://www.cnblogs.com/tdws/p/5874212.html. I am planning to share a series of practical background architectures of. NET Core

StaticDbcontextoptionsbuilderNewDbcontextoptionsbuilder(dbcontextoption);6Appdbcontext _dbcontext =NewAppdbcontext (Dbcontextoptionbuilder.usesqlserver (connection). Options);7 Public intAddUser ()8 {9_dbcontext.users.add (NewUsers {Name ="Ws4", Email ="[email protected]" });Ten return_dbcontext.savechanges (); One } A}Called in ConsoleApp, adding successIf I share a bit, you have a bit of help, welcome to praise, but also for your own harvest praise

In code one, after writing and running, our model synchronizes to db, but often we need to write the model to build the database, rather than wait until the UI part is finished and run before we see the database, with the help of the NuGet package Manager Allows us to complete the code=>db immediately. Preparation: 1. I develop tools for VS2012, using the. NET Framework 4.5 (EF5); 2. Then ensure that the latest