how to update database

Why did you write this article?First, the cache has been widely used in projects due to its high concurrency and high performance characteristics. In terms of reading the cache, there is no doubt that all follow the process to do business. But in

The ASP. NET boilerplate (ABP) is a very popular DDD framework under the platform, which has provided us with a large number of functions, which is very convenient for building enterprise applications.The introduction of this framework I would not

OverviewIn the article on the ASP. 2.0 WebAPI Background Framework (2)-EF core (MySQL) Codefirst database migration and Dependency injection, we show you how to quickly build a database in Codefirst quickly, in this chapter, we'll refine the

Unit tests support test Automation , shared installers, and shutdown Code testing , PolymerizationYesCollection，TestAndReportFrameworkFromTest independence unit test module provide can very easy to Support these quality a test

Learning materials: http://msdn.microsoft.com/zh-cn/data/jj193542Video built by the console application, I'm using MVC here.One, very magnetic, very elegantVery like to see this person's video, although I do not understand, I do not know what his

Environment: VS2017 + ABP official template (excluding zero) +oracle 11gx64db + Oracle 11gx32client (plsql tool access)I. Download and operation of ABP project1. Create an ABP project. Go to the official website

Code first gave us a lot of convenience in the development of the program, a less convenient part of the previous version is the database migration, trouble not to say, often also context-sensitive, the database between the different versions of the

Execute a: New database in Package Manager console: 1, add-migration init[name] (add migration script for pending model changes) 2, update-database (update pending migration to database) * * * * *************************************B:model new Field

Introduction to Tools and environment1. Development environment vs 2015The 2.mysql EF Core supports the POMELO.ENTITYFRAMEWORKCORE.MYSQL source code address (https://github.com/PomeloFoundation/ POMELO.ENTITYFRAMEWORKCORE.MYSQL)SceneDesign two

EF application Codefirst mode, basic usage points of data migration notesEF6 Code First migration for multiple models Get readyFirst install the Entity Framework,Install-package EntityFrameworkThen create two of our own

First, create an MVC project, reference EntityFramework, and create a student classUsing system;using system.collections.generic;using system.linq;using system.web;namespace EFF. models{public class Student {public int StudentID {get;

EF's code First method allows you to write the model, and then build the database and the table by model.The steps are as follows:1. Construction projects2. In the Model folder, add a class derived from DbContext, and some model classes.3, modify

Sqlitemanager data-tier---> Includes: library (user information) TMP (temporary file [user exits without time]) document1.Documents:Only user-generated files, other data, and files that other programs cannot recreate, should be saved under the

A When you need to manipulate SQLite database, you need to get a Sqliteopenhelper object. But since Sqliteopenhelper is an abstract class, you need to customize a class to inherit it. Such a custom class implements all the methods in

1. Open the Package Manager console , and enter the enable-migrations command. 2, when the model changes, through the package Manager Console input add-migration instructions, to add a database migration version, input must take a version of the

Author: Yang xinqi Original: http://www.cnblogs.com/scotoma/archive/2010/03/05/1679477.html A big brother of the TP Forum joined me tonight and said that he also encountered this problem! Think about the fact that many things have been encountered.

Use EF Core in the. NET Core class library to migrate the database to SQL Server, coreefPreface If you just use EntityFramework Core as the orm framework, you may encounter database migration problems. At first, I was in ASP. NET Core Web project,

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

Background Management of user roles for ASP. NET MVC5 website development 1 (7) and mvc5 website development A role is a function available in the website to differentiate user types and divide user permissions. This operation allows you to browse

EF architecture ~ Migrations and efmigrations in the CodeFirst production environment Back to directory Migrations refers to migration. It is the product of the code first mode of EF. It means that the code changes are reflected in the database,