how to join two tables in entity framework mvc

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Analysis on the number of entity classes generated when ADO. NET Entity Framework is used less than the number of data tables

When you generate an ADO. NET Entity Data Model (Entity Data Model) through a database, the number of entity classes generated may be less than the number of data tables. The following describes two possible causes. 1. All columns of the data table can be empty. When a data table has a primary key, the object data mo

When Entity Framework (EF) is used in MVC, the "system. Data. Entity" solution for the Assembly must be added

By default, only the reference of the LINQ assembly is added to Web. config generated in MVC. If Entity Framework (EF) is used as the orm of MVC, you need to add the Assembly reference in webconfig: For example: ...... Asp.net MVC 2 cocould not load type 'System. Web.

ASP. NET MVC Entity Framework

ASP. NET MVC model (Create model class using Entity Framework)-Part.1The purpose of this tutorial is to explain how to use the Microsoft Entity Framework to create a data access class when you create an ASP. NET MVC application. T

ASP. NET MVC model (Create model class using Entity Framework)

The purpose of this tutorial is to explain how to use the Microsoft Entity Framework to create a data access class when you create an ASP. NET MVC application. This tutorial assumes that you have no prior knowledge of the Microsoft Entity Framework. After reading this tutori

ASP. net mvc model (using Entity Framework to create model classes)-part.1

From Zhang Ziyang http://www.cnblogs.com/JimmyZhang/archive/2009/05/18/1459326.html The purpose of this tutorial is to explain how to create an ASP. net mvc application.ProgramHow to use Microsoft Entity Framework to create a data entity class. This tutorial assumes that you have no knowledge of Microsoft

ASP. NET MVC model (Create model class using Entity Framework)-Part.1

The purpose of this tutorial is to explain how to use the Microsoft Entity Framework to create a data access class when you create an ASP. NET MVC application. This tutorial assumes that you have no prior knowledge of the Microsoft Entity Framework. After reading this tutori

Introduction to the Entity Framework 6 using MVC5 (eight)--Update related data for ASP.net MVC application

read related data for ASP.net MVC application This is the Microsoft Official tutorial Getting started with Entity Framework 6 Code The 5 Series translation, this is eighth: Update related data for ASP.net MVC application Original: Updating Related Data with the Entity

Introduction to the Entity Framework 6 using MVC5 (vii)--reading relevant data for the ASP.NET MVC application

read related data for ASP.net MVC application This is the Microsoft Official tutorial Getting started with Entity Framework 6 Code The 5 Series translation, this is seventh: read the relevant data for the ASP.net MVC application Original: Reading Related Data with the Entity

ASP. NET MVC Entity Framework additions and deletions

I. Introduction of EntityFrameworkORM (object-relation-mapping): Object-relational mapping, which mainly implements various methods of manipulating database based on object-oriented mode, is a framework technology. C#oop and database operations have been in a state of separation for a long time. The final operations of C # are converted to ordinary SQL statements, which, from a development standpoint, can have a certain impact on rapid development. Af

MVC & Entity Framework (2)-Controller, models standalone DLL

Following the previous MVC Entity Framework (1)-the development environment, it has not been updated for a long time. Next, take a look at how to separate the controller in MVC into a class library and then reference it in a Web project. Also, by the way, try to split the entity

Entity Framework-code first of ASP. NET MVC

Recently, I used ASP. net mvc Entity Framework to develop some projects, which makes it very easy to use. As a result, I have witnessed the development of Microsoft technology: -In this figure, we can clearly see the changes in data access methods. If you want to know about ADO. NET Entity

Introduction to the Entity Framework 6 using MVC5 (ix)--using asynchronous and stored procedures for ASP.net MVC applications

using asynchronous and stored procedures for asp.net MVC applications This is the translation of the Microsoft Official tutorial Getting started with Entity Framework 6 Code The 5 series, this is Nineth: using asynchronous and stored procedures for ASP.net MVC applications Original: Async and Stored procedures with th

ASP. net mvc + Entity Framework 4.1

Entity Framework 4.1 supports code first programming mode: You can create a model class first, and then dynamically generate a database under ef4.1 by configuring. The following shows two scenarios: 1. Asp.net MVC Data Access in code-first Mode 2. In traditional mode, create databases and tables, Configure connection s

Create an ASP. NET Core MVC application (3)-Create a MySQL database table based on the entity Framework Core (Code first)

Create an ASP. NET Core MVC application (3)-Create a MySQL database table based on entity Framework Core (Code first) create a data model class (Poco Class)Under the Models folder, add a user class:namespace myfirstapp.models{public class User {public int ID {get; set;} public string Name {get; set; } public string Email {get; set; } public string Bio {get; set;

ASP. NET MVC creates model classes using the Entity Framework

create a solid data model with the following steps:1. Right-click on the Models folder in the "Solution Browser" window and select menu item, "Add", "new item", such as:2. In the dialog box that appears, select data, and then select ADO. NET Entity Data Model (ADO), and named Mydbmodel, for example:3. Clicking the "Add" button will run the Data Model Wizard.4. In the Select model content (Choose model Contents), select the "Generate from Database (Ge

MVC Code First how to update database tables automatically when entity classes change

follows:usingSystem;usingSystem.Collections.Generic;usingSystem.Linq;usingSystem.Text;usingSystem.Data.Entity;usingblogappdal.entities;usingSystem.Data.Entity.ModelConfiguration.Conventions;usingSystem.Data.Entity.Migrations;usingSystem.Data.Entity.Infrastructure;namespaceblogappdal{ Public classBlogappcontext:dbcontext { PublicBlogappcontext ():Base("Name=blogappconn") { //automatically create tables if

Quickly build systems using the ASP. Mvc+entity Framework

, basically is due to not carefully caused, so in the next study must be careful2. Knowledge about "Package Manager console" here and here3, the above coding mode is "code First", "code before the current", English better Remember code firstRelated information:Http://msdn.microsoft.com/zh-cn/data/jj193542.aspxhttp://www.cnblogs.com/qouoww/tag/Entity%20Framework/4, the Database migration related information:http://blog.csdn.net/vaivxuanzi/article/detai

MVC applications use the entity Framework

Create an empty MVC application, in order to use the Entity Framework's class library, the discovery is not normal reference. For example, Insus.net has explicitly cited System.Data.Entity (highlight code), but the class is not referenced correctly when inheriting dbcontext.Go to Microsoft MSDN View Material: Http://msdn.microsoft.com/en-us/library/system.data.entity (v=vs.103). aspxThe

MVC shows detailed records without Entity Framework

Read this article, "MVC uses non-Entity Framework to display data in view (ii)" Http://www.cnblogs.com/insus/p/3364482.html learned to display data from data tables in a database on a view. In a situation, I need to click on a record to see its detailed data.The implementation of this function in

Building a Web App with ASP. NET Core, MVC, Entity Framework Core, Bootstrap, and Angular

things appeared.The title just give a great list of what we should learn when do. NET core development.I also understand the difference between angular and the react. Both of them is in great relation with JavaScript. There is an example to discript them, angular is a car, and the react was just an engine. It is just.So my conclusion was that:In normal-just to practice them:ASP. NET core, MVC, Entity

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