.Net Core

Differences between Attach and Entry in mvc ef, mvcefattachentry EF: three methods for adding a container --> query, attach, entry. is not in the container. remove, add, and other methods cannot be used. 1.0 Using Attach may cause errors.//

Website user logon authentication and user logon authentication After a cookie is logged on, the website under the same domain name remains in the same logon status. Login Private void SetAuthCookie (string userId, bool createPersistentCookie){Var

Asp.net generates and downloads word in two ways First, directly generate a word to download Response from a webpage. addHeader ("Content-Disposition", "attachment; filename =" + HttpUtility. urlEncode ("wordname.doc", Encoding. UTF8); Response.

Use the OData Singleton mode in ASP. NET Web APIs, apiodata   We have added support for Singleton Mode Since OData v4. We don't need to obtain an EDM every time based on the primary key, just like using Singleton mode in C. The implementation method

MVC branch view and mvc branch view 1. Request the branch view above the View: First create a new controller, and then create a view without the default Index method. In this view, request the branch view Using System; using System. collections.

[ASP. NET] Next-generation ASP. NET development specifications: OWIN, asp. netowin I submitted my resume for the interview today...   This section contains the following contents: OWIN Introduction OWIN specifications Katana Hello World (3

User authentication and authorization in asp. net5 (2), asp. net5 authorization The previous article introduced asp. in net5, user authentication and authorization (1). After the foundation is set up, you need to create a class to operate on the

The simplest example demonstrates user authentication and authorization in asp. net5 (1), the simplest asp. net5 In asp. net5, user authentication and authorization provide a wealth of functions. If ef7 is used together, related database tables can

The simplest example demonstrates user authentication and authorization in asp. net5 (3), the simplest asp. net5 Upper: The simplest example demonstrates user authentication and authorization in asp. net5 (2) After various management interfaces of

How to Use jQuery post to transmit data with special characters, jquery special characters In jQuery, $. ajax or $. post is usually used for data transmission and processing, but special characters such as " 1. Prepare the page and control code The

ASP. NET multi-color drop-down box development instance, asp.net drop-down box instance This article mainly demonstrates how to read the system color and display the corresponding color in each entry in the drop-down box. The source code mainly

MVC upload (single file) and mvc upload Background code: Public ActionResult upload () {// get the file object var file = Request. files [0]; string suffix/* file format */= System. IO. path. getExtension (file. fileName); string fileName = DateTime.

C # iterative statement, 1. do while statement The do statement repeats the statement or statement block until the specified expression is false. If the loop body is a single statement, it can not be placed in {}. If not, it must be placed in. The

Asp uploads local files to the server and asp files to the server Today, we will explain how to use asp's upload function to upload local files to the server.The simplest system includes the following three files: Upload.htm -- upload port file,

Third-party payment, third-party payment platform Third-party payment First, register a merchant account on the third-party payment platform. The payment platform will assign you a merchant id, which is very important and requires a merchant key

Use Interlocked to implement thread synchronization and interlocked to implement thread There are many ways to synchronize threads. If only integer data is shared, Interlocked can be used for synchronization. The following example shows how to use

Timed reminder assistant and timed reminder Software I remember when I went to school, a student asked me to help write a "reminder function" applet. At that time, I was relatively lazy and did not write it. I am bored recently, and I am a trainer.

Obtain the parameter values in the App. config configuration file. The following code is used as an example. The specific content is as follows: First add System. Configuration referenceAdd parameters to the App. config configuration fileAdd App.

WebBrowser control (personal diary, I am also a newbie), webbrowser Control I know two types of Web Simulation 1: Get the page through HttpRequest's Get/Post submission method 2: Use the C # webBrowser control to simulate page clicks   2nd types of

[. Net Object-Oriented programming advanced] (16) multi-threaded (Multithreading) Improve program performance with Multithreading. netmultithreading [. Net Object-Oriented programming advanced] (16) Multithreading improve program performance This