ASP. NET Core file upload and download instances (multiple upload methods) and core File Upload
Preface
Some time ago, the project went online, so it was too busy. Recently, I began to study ASP. NET
, each part of the pipeline is processed at a time. The processing result is also converted into a message reversely flowing into the pipeline for processing, and finally into an HTTP Response to the client. ASP. the message processing pipeline of NET Core is very simple from the design point of view, but it is relatively difficult to understand from the specific
diagram to directly describe that the requests in the pipeline are no longer appropriate. The following is a flowchart of building the pipeline for the ASP. NET Core server:
As you can see, RequestDelegate carries HttpContext all the way through a variety of servers, Hosting and so on, and finally reaches the Applica
Running ASP. NET Core in the Docker container for Linux and WindowsTranslator : In fact, I have been studying this part of the past week, the results of the weekend did not have time to summarize the article, Scott Hanselman. Then I will translate this article, let more Chinese readers see. Of course, I met Scott's pit.But first, I'll explain the concepts of Linu
. NET Framework, as long as the target platform has. NET Core Runtime.
2. Self-contained application (Self-Host application)
As the name suggests, this deployment mechanism can pack applications and Runtime together, even if. NET Core
not very understanding, or online to find information more cumbersome, for Nginx firewall and supervisor configuration, I will step by step to give you a demonstration.Installing NginxNginx installation is relatively simple, on the three command:①curl-o nginx.rpm http://nginx.org/packages/centos/7/noarch/RPMS/nginx-release-centos-7-0.el7.ngx.noarch.rpm②RPM-IVH nginx.rpm ③yum Install Nginx Starting Nginx:systemctl start NginxSet boot start (Linux d
Pro ASP. NET Core MVC 6th Chapter 3, mvc6thChapter 3 MVC pattern, projects and conventions
Before learning more about ASP. NET Core MVC, I want to make sure you are familiar with the ideas behind the MVC design pattern and how to
begins the text of the translation ===== In last May, the use of ASP. NET and Docker have hobbled things. But the great thing is that we've been making progress. I've written a blog post to show how to put the ASP. NET 5 (then called 5, now renamed Core 1.0) app to be publi
What is generic Host?
This is a new host added to ASP. 2.1 Version of ASP. NET core, there are two available host.
Web host – host for hosting web programs is the common webhost that we are familiar with in the MAI function of an
part of the pipeline is processed at a time. The processing result is also converted into a message reversely flowing into the pipeline for processing, and finally into an HTTP Response to the client. ASP. the message processing pipeline of NET Core is very simple from the design point of view, but it is relatively difficult to understand from the specific imple
void ProcessRequest (HttpContext context) 2 {3 String checkcode = Gencode (5); Produces a 5-bit random character 4 context. session["Code" = Checkcode; Save the string to the session so that it needs to be validated 5 System.Drawing.Bitmap image = new System.Drawing.Bitmap (70, 22); 6 Graphics g = graphics.fromimage (image); 7 Try 8 {9//Generate random generator stochastic random = new random (); 11//Empty picture background color g.clear (colo
App, acting as a "reverse proxy (Reverse-proxy)" role.2. Understanding Reverse Proxies"Reverse" refers to the inbound direction, "agent" can be understood as a service, this is the forwarding HTTP request service. A "reverse proxy" is the service that forwards HTTP requests in the inbound direction.As with routers, routers, in addition to allowing the LAN to access the Internet, can also access one of the internal servers from the Internet by setting
Chapter III MVC patterns, projects and conventionsBefore delving into the details of ASP. NET core MVC, I want to make sure that you are familiar with the ideas behind the MVC design pattern and how to convert it into an ASP. NET Core
Several objects in the ASP. NET kernel, core ASP. NET knowledge (6), and asp.net KernelDescription
In fact, today's blog post is the subsequent part of the general processing program. In theory, it should be called the general processing program (
Introduction to ASP. NET Core middleware for Distributed Session and core Middleware
1.1. Middleware principles
1.1.1. What is middleware?
Middleware is a piece of code used to process requests and responses. Generally, multiple middleware links to form a pipeline, and each middleware determines whether to call the nex
environment ).
We can see from the code above that if the current development environment is used, use the usemediaexceptionpage () and UseBrowserLink () methods to enable the error page of the development environment and the Browser Link function in Visual Stuido, these functions help us to debug the program during the development process. However, we do not want to enable these functions in the production environment, but direct the Error page to the path "/Home/Error ", A friendly error page
information of dependencies node in Project Project.json file, you can also upgrade the SDK version of the server, modify the following:" Microsoft.NETCore.App " : { "version""1.0.1",// Change the version number to 1.0.0 "type" "platform " },You may not be able to access the browser after access, log the error message:There are two possibilities when the following error occurs:1, the project is not published in the Project.json file publishoptions node configuration view, control
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