lazy loading in mvc entity framework

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 Version 4 supports a development paradi

The Entity Framework 4.1 supports code First programming mode: You can create a model class first, and then dynamically build the database under EF4.1 by configuration.Two scenarios are shown below:1, Code First mode, ASP. NET MVC data access2, traditional mode, first create the database and table, configure the connection string, and then generate the modelSteps

Below is the Administrator information table for the model layer In this model we used asp.net MVC data annotation and verification, can be used as backend verification, Entity Framework to the database mapping Using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Text; 5 using System.ComponentModel.DataAnnotations.Schema;

classfileuploader:ibaseentity {#regionCustom attributes, which are entities extended by the data entity#endregion } Public classFileuploadermetadata {[Scaffoldcolumn (false)] [Display (Name="PRIMARY Key", Order =1)] Public ObjectId {Get;Set; } [Scaffoldcolumn (true)] [Display (Name="name", Order =2)] [Stringlength ( $, errormessage ="length must not exceed")] Public ObjectName {Get;Set; } [Scaffoldcolumn (true)] [D

This "MVC uses non-Entity Framework to display data in the View" http://www.cnblogs.com/insus/p/3364235.html is also considered MVC view to display the database data, but a little bad, is to instantiate the object directly in the view fruicategoryentity, while the controller is keep empty and nothing is written.So in t

I have been learning ASP. net mvc for some time. I plan to train a small program as a record and share it in the learning process. First, you have to determine the demand. If there is a demand for wood, you can make a wool! Hmm ...... After a rough thought, we finally come up with the following requirements: 1. Customizable Classification 2. Post OK! In this way, we should first start with a simple process (in fact, it is complicated and will not be d

Method One:Fields that use datetime types remember to assign values before they are passed into the database as parameters, and the date is greater than January 1, 1753.Method Two:Modify a DateTime Type field to a DateTime type because the default value of a nullable type is NULL, so the incoming database can be assigned without assigning a value, and the datetime type in the database also supports NULL.Method Three:To modify a datetime type in a database to a datetime2 typeHandling of ASP. NET

without affecting other dependencies.Forced Uninstall: Uninstall-package Third, install the specified package versionThe default is to install the latest version of the package through the graphical interface, but sometimes because of compatibility issues, you may not want the latest version of the package, you can use the following command to install the specified version of the package.Install the specified version: Install-package The version number can be obtained from the package on the Nu

There is a one-to-many relationship between departments and employees. List all departments in a table, and display the names of all employees under the department in each row. As follows: Department and Employee Model: using System.Collections.Generic;namespace MvcApplication1.Models{ public class Department { public int Id { get; set; } public string Name { get; set; } public string Location { get; set; } public List An