.Net Core

Entity Framework Code First uses DbContext to query, entitydbcontext DbContext, DbSet, and DbQuery are three new classes introduced by Entity Framework Code First. DbContext is used to maintain database Session connections, track and save object

Entity Framework Code First convention, entityframework Code First enables you to describe the model through C # Or Visual Basic. NET. The Basic rules of the model are checked by conventions, and conventions are a series of built-in rules. In Code

No generated provider registered for the extension ". cshtml", extension. cshtml Create an mvc4 project and copy the shared folder and _ ViewStart from other projects. the cshtml file is in the past, and then "not an extension" is displayed on the @

. NetCore ~ Json replaces Xml,. netcorejsonxml In progress. in the era of netCore, the biggest change is that the use of Json is more active, basically replacing the previous XML, such as some user configurations, system configurations, and bag

Added Areas in MVC to avoid controller conflicts. mvcareasThe Administrator area is usually added to make the project level clearer. 1. Right-click "solution", "add region", and enter the region name, for example, "Admin" 2. Open the routing

WPF advanced development and wpf advanced developmentINotifyPropertyChanged In the development of the wpf mvvm mode, the ViewModel that implements INotifyPropertyChanged is very important and common class: public class MainViewModel :

MVC source code analysis, mvc source code The previous chapter parses the search of the Action method and the loading time of the Authorize, Action, Result, and Error filters. I also spent two articles on the use of authorization and error filters.

WebApi: configure the time in which the global returned Json data is formatted and named in lower case, webapijson 1. Directly configure in the Global file: 1 var formatters = GlobalConfiguration. configuration. formatters; 2 var jsonFormatter =

Entity Framework concurrent processing, entityframework Reference

The execution status is obtained through ajax when the asp.net thread imports data in batches. Preface Recently, I encountered a requirement in my work and needed to implement a batch import function. However, there was no feedback during a long

Chapter 2 ASP. net mvc (URL, route, and Region), asp. netmvcAspnet mvc url, route and Region 1, URL, route and region 1. configure a vro 1. URL Mode 2. Define the default route Value 3. Use static URLs 4. Route Sequence 5. Custom segment Variables 6.

. NET basics step by step: [object-oriented new, this keyword],. net keyword Some people may often ask: Are there any objects? Do you want me to introduce one? The young man will say, "Uncle, I don't need to create one myself. (PS: You deserve no

. Net generates different config files based on configuration options. Problems may occur during project development. The configuration of the development environment must be different from that of the production environment,Manual copy is always

Comparison of Take, TakeWhile, Skip, and SkipWhile in Linq (convert), takewhileskipwhile Reference: http://blog.csdn.net/lxfzgg/article/details/20534281   Take () Int [] numbers = {5, 4, 1, 3, 9, 8, 6, 7, 2, 0}; var first3Numbers = numbers. take (3);

66. workflow programming: quick development of workflows and 66. Hello, everyone! I also have my own blog. Today I will share with you my experience on QR code. As a programmer, I have been "immersed" in system development for a long time! Oh, no,

WPF performs the 12306 Verification Code click effect, wpf12306 Verification Code click I. Results It is the same as 12306. When you log on to 12306, you can click multiple positions on a graph. You cannot click the positions above the horizontal

WPF CheckBox style and wpfcheckbox Style     　　

ASP. net mvc-model binding, asp. netmvc Model In this article, we will talk about Model Binding. In fact, we have a preliminary understanding of ASP. net mvc, you may have a question: why is the URL segment converted to parameters of the int type or

The cookie is garbled when the Chinese Logon account is obtained. The cookie is garbled. Cookie code written after successful loginResponse. Cookies ["account"]. Value = account; // "Administrator" Response. Cookies ["account"]. Expires = DateTime.

Entity Framework tutorial -- EF architecture, entityef EF Architecture It is a panorama of the EF architecture, allowing us to understand the usefulness of each component separately. EDM (Entity Data Model ): EDM consists of three main parts: