entity framework latest version

ThinkPHP releases the latest version 1.0.0RC1. ThinkPHP released the latest version 1.0.0RC1. after several generations of product updates, ThinkPHP has been restructured and improved over a few months on the basis of the original version 0.9.8, and has learned from many use

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 Book table. Use the connection table

Label:With the release of EF5, a new support for database (SQL Server) UDF is available, depending on the following connection: Https://msdn.microsoft.com/en-us/data/hh859577.aspx, This feature is also inherited by the newly released EF6. The problem is that this UDF seems to be just for tvf-table Value function, but unfortunately, it cannot be imported when trying to import a scalar function. 　　The reason is that there is no support for scalar function in the EF6

Turn off DB Initializer in Code-first:You can also turn off the DB initializer of your application. Suppose, for the production environment, you don't want to lose existing data and then you can turn off the initializer, as S Hown in the following: Public classSchooldbcontext:dbcontext { PublicSchooldbcontext ():Base("schooldbconnectionstring") { //Disable initializerDatabase.setinitializerNULL); } PublicDbsetGet;Set; } PublicDbsetGet;Set; }}You can also turn off the i

1"1.0"encoding="Utf-8"?>234"EntityFramework"Type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, version=6.0.0.0, culture= Neutral, publickeytoken=b77a5c561934e089"requirepermission="false"/>56 78"defaultconnection"connectionstring="server=192.168.1.251; User id=root;password=; Persist Security info=true; Character Set=utf8;database=yunzhi"Providername="MySql.Data.MySqlClient"/>9Ten One A"System.Data.Entity.Infras

Installing entity Framwork 6.1.3 with NuGet today has been an error in the last step of the stone, prompting "installation failed, rolling back".The rollback was just as well, and it was not enough to unload half of the EF installed.ShitConsider whether you need to run Visual Studio in Administrator modeTry it, and then the egg.is the NuGet version too low? Check the update, no problem ah, no prompt update.

). AsEnumerable().SkipT_class>(3). TakeT_class>(3);//Because the lazy loading mechanism is enabled, it is called below to actually read the database int i = 0; foreach (var c in Classesique) {I++foreach (var c in Classesienu) {I++ "ok" Note The Red Code section, before querying the Entity collection with LINQ, I'll first convert it to the IEnumerable interface type to see what the final SQL will look like. The first: Directly returns a query of ty

Tags: img png data wiki file name HTML run EXE installTo EF6 Code First mode support SQLite has a few steps: One, need to install Sqlite-netfx451-setup-bundle-x86-2013-1.0.92.0.exe to let vs add ado with SQLite optional 1) go to Http://system.data.sqlite.org/index.html/doc/trunk/www/downloads.wiki to download the corresponding. NET version of the installation file (* Note the download file name with bundle, This will do plug-in support for VS) 2) Inst

1. Installing ODACDetermine the ODAC version of the download according to your operating system x86,x64Http://www.oracle.com/technetwork/database/windows/downloads/utilsoft-087491.htmlDuring installation, be careful to configure the location and service name of the database server you choose2. Project Add entity FrameworkThe connection address here is changed, because I am locally connected, so I was the se

Today, at first glance, there are no articles about this class library in the garden. It is really surprising that there are many articles about the use of EF. E good can directly look at the https://github.com/loresoft/EntityFramework.Extended You can also directly install this package on nuget. The description is outdated. The latest version has switched to the IQueryable Batch Delete We need to delete

Entity Framework Code First migration command, codefirst I. Enable-Migrations 　　Note:Enable migration for the project. This command adds the Migrations folder for the project, including two files: Configuration class: This class allows context-based Configuration migration. InitialCreate migration: this migration is generated before migration is enabled. If the database is not generated before Migration is