Developed using the Entity Framework 6.x Code-first method in OracleLast year, I wrote a simple learning note for EF, when EF did not support Oracle's Code-first development model, and today has no intention of looking at Oracle's official website, and found that ef6.x has been supported, and has given two tutorials (English version):1.Using NuGet to Install and
Learning ASP. NET MVC also has a period of time, intends to get a small program to practice practiced hand, as the learning process of recording and sharing.First of all, need to determine demand, wood needs, it also make a yarn! Well...... Think about it for a moment and finally come to the following requirements:1, can be customized classification2, can send the articleOk! In this way, start from the simple (in fact, the complex will not do), the need to add later (Hope level can be achieved).
Prompt for generating Entity Framework code first in EF Power Tools Beta 2
Parameter Error hresult e_invalidargThe latest Solution
Environment: vs2012 update 1 + EF5
Solution: I have found a lot online and cannot solve this problem. The following method can be used to solve this problem!
Installation directory in vs2012
D: \ Program Files \ vs2012 \ co
dbcontextoptionsbuilder(dbcontextoption);6 Appdbcontext _dbcontext =New Appdbcontext (Dbcontextoptionbuilder.usesqlserver (connection). Options);7 public int AddUser () 8 { 9 _dbcontext.users.add (new Users {Name = "ws4 ", email = "[email protected]" }); _dbcontext.savechanges return (); One } Called in ConsoleApp, adding success If I share a bit, you have a bit of help, welcome to praise, but also for your own harvest praise. Long-term sharing, welcome to click below at
ef5.0. Don't worry if the partner's vs version does not provide the EF module. Download one from Microsoft's official nuget. The specific steps are as follows:
1. Open your project.
2. Choose tools> nuget package management> Manage nuget packages of the Solution
3. Search for and install Entity Framework
2. Establish a data model
After the instal
is strangely quiet on the matter. While Oracle does offer ODP. net, it is limited to the standard ADO. net design patterns.
Chinese version:
Microsoft has extensive definitions of. net. Except for allProgramming LanguageWhether directly or through interoperability, Microsoft also hopes to integrate all the communication frameworks and data storage engines. When WCF is already ahead of the standard communication API, Microsoft's General Data Ac
Document directory
Entity Framework Code-first Development
Using nuget to install efcodefirst
Adding a code-first poco class
Entity Framework Code-first Development
The Entity Framework V
tables. Because we designed two exercises for ourselves .)
So far, I found that we have not named our project. What's better? Let's call it reportingsyncer.
Reporting (report), sync (synchronization), why add er? Currently, Project names are often anthropomorphic, Which is vivid and powerful.
[Start]
Open vs 2010 and create a new class library named reportingdbmanager. Delete automatically generated class1.cs.
Modify the SLN (solution name: reportingsyncer ).
Modify the namespace: Right-click r
following commands are executed:Remove-migrationNote that this is a migration that has not been applied and can be removed. If you have applied it, you will receive an error messageMigration RollbackThere are times when we need to roll back to a previous migration version. For example, when we deploy, the development version and the stable version must be differ
Tags: mysql ros RAM encoding div img Local--paramFor 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 ve
Entity Framework 6 Recipes 2nd Edition (11-1), entityrecipes
The11ChapterFunction
Functions provide a powerful code reuse mechanism, and keep your code concise and easy to understand.
They are also the database-Layer Code that EF can use when running. Functions include Rowset Functions, Aggregate Functions, Ranking Functions, and scalar Functions.
The function is either determined or uncertain. When a funct
Original
In my February data point column, I showed the jquery datatables plug-in and its ability to seamlessly process massive data on the client. This is ideal for Web applications that require slicing and chunking of large amounts of data. This month, I will focus on using queries that return small loads for different types of interaction with data. This is especially important if you are targeting a mobile application.
I will use the features introduced in ASP. NET MVC 3 and demonstrate how
Label: SQLite team is also slag Ah, to the 6th generation has not supported code first. 1. Install the operating environment and components 1 . Install S Qlite Visual Studio Designer support Only if you have it installed, you will have SQLite's data source options when you create the new ADO Entity Data Model. My environment is 64-bit +vs2013, here is the use of VS2013, corresponding to the Sqlite-netfx451-setup-bundle-x86-2013-1.0.98.0.exe
EF+MVC's website will be slow when it first opens, and it will be slow to restart the application pool if it is idle for a while.program updates, the application pool restarts, and after recycling, the program files need to be reloaded.1, install application initializationThis is IIS8 's built-in feature, and for IIS7.5, Microsoft provides an extension package to support this feature.Application initialization Module for IIS 7.5Http://www.iis.net/downloads/microsoft/application-initializationThi
As we all know, since the 4.x version, the ENTITY framework has supported database first, model one, and code three generation patterns, and in the previous blog we learned about the code first ( There is also a pattern called codeonly, in contrast, code first is a more advanced technique, and we just need to write it. This time we go back and look at the simples
After several years of renewal and industry recognition of the entity Framework. There are more and more databases that EF can support now. The PostgreSQL database can now use code first to create the database. Not much to say, the following directly on the process.First, install the necessary librariesExecute directly in the VS Package management Console Install-package Npgsql.entityframeworkor right-click
Entity Framework Power Tools is a tool that is provided by the EntityFramework development team to generate a fluent version of code first from an existing database.VS Gallery Home: https://visualstudiogallery.msdn.microsoft.com/72a60b14-1581-4b9b-89f2-846072eff19dToday, WIN10 by the newly installed vs also replaced by 2015, and then happily expand the inside all
Original article address:
Http://www.cnblogs.com/mbailing/archive/2012/07/16/2593368.html
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 transition to Entity
These days in the study of how to use the entity Framework to access the database, which also took a lot of detours, fortunately finally set up the environment success, the following detailed description of the environment under construction steps1. Download and install SQLite Data ProviderTo official website: http://system.data.sqlite.org/index.html/doc/trunk/www/ Downloads.wiki Download
Entity Framwork (Solid framework. Abbreviation EF) This is the ORM (Object relational Mapping. Object mapping Relationship) a solution.The table mapping for EF is an entity. and encapsulates the method of operation. Easy for developers to manipulate the database directly.EF has three development models. Each is:Database First: Maps the tables in an existing dat
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