Category：ASP.NET
-
Time：2020-4-1
For example, we need to use PDF to develop some simple reports in asp.net core, which is not difficult, but we will still rush to search for some materials. Congratulations, this post will help you, and we will not waste some precious time. In this article, we will use dinktodfs to process our PDF documents […]
-
Time：2020-3-31
In the past, when webform was used, the drop-down box only needed to bind the code directly in the background. Now let’s take a look at the dropdownlist in MVC if and accept the value passed from the controller. First: use dropdownlist Controller code: public ActionResult Index() { //1.1 querying data of yzseriesentity List<Model.YzSeriesEntity> seriesList […]
-
Time：2020-3-30
1. Front end cshtml 2. New page – when the page is loaded, the company information is loaded from the database 3. Modify page – when loading the page, load all company information from the database, judge according to the company ID of the record line to be modified, and set the company as selected […]
-
Time：2020-3-29
H5 payment refers to that the merchant displays goods or services on the mobile terminal webpage outside the wechat client. When the user confirms to use wechat payment on the above page, the merchant initiates this service to call the wechat client for payment. It is mainly used for the scenario of the touch-screen mobile […]
-
Time：2020-3-28
Managed heap: a heap that doesn’t worry programmers When a program runs on a computer, it will inevitably occupy memory resources to store the data in the process of program running. We divide memory intoHeap memory and stack memory。 Stack memory is usually used in the following scenarios:High requirements for access speed and small amount […]
-
Time：2020-3-27
Dynamic domain name resolution, orDNSR, usually used for parsingIPA domain name whose address changes frequently. Telecommunication network provides public networkIPIt brings great convenience to the programmers in the aspects of telecommuting and content sharing. But the public networkIPIt’s dynamic, it’s constantly changing, so byIPThe way to visit is very unfriendly. Therefore, it is necessary to […]
-
Time：2020-3-26
Preface With the release of the second preview version of. Net core 3.1, Microsoft has officially ported C + + / cli to. Net core. From then on, you can use C + + to write. Net core programs. At present, only MSVC supports compiling such mixed code, and because unmanaged code is involved, C […]
-
Time：2020-3-25
I. Introduction Grpc is a Google open source, cross language, high-performance remote procedure call (RPC) framework. Grpc enables client and server applications to communicate transparently and simplifies the construction of the connection system. It uses http / 2 as the communication protocol and protocol buffers as the serialization protocol. Its main advantages: Modern high performance […]
-
Time：2020-3-24
I. Preface The first two articles introduce you to the introduction of grpc and the use of two-way flow. Today, we introduce the interceptor in grpc. Like MVC filter or asp.net core middleware, interceptor has the idea of face-to-face. It can carry out some unified processing when invoking services, which is very suitable for processing […]
-
Time：2020-3-23
1、 What is a cookie? My friend asked me what cookies are and what they are used for, but I couldn’t explain them clearly and briefly, which led me to ponder: why can’t I explain clearly, and I have doubts about the method of learning! So when we are learning something, we must know what […]
-
Time：2020-3-21
Problems When developing the entry interface of small and micro merchants for wechat payment, it is necessary to upload the ID card image and other data through the form. The wechat payment interface document also indicates that multipart / form data is needed to send the request. . net provides the multipartformdatacontent type to help […]
-
Time：2020-3-20
Method 1: Start run: Regsvr32 scrrun.dll Method two: Copy the following statement to Notepad, save as a file with the suffix. CMD, and run. Of course, it’s OK to run the next sentence on the command line. Echo is repairing. This process may take a few minutes. Please wait rundll32.exe advpack.dll /DelNodeRunDLL32 %systemroot%\System32\dacui.dll rundll32.exe advpack.dll […]
