C#

Submit (POST):You need to import namespaces:using System.Net;using System.IO;stringPostData ="Username="+ login_ user name. Text +"&password="+ login_ password. Text;//Post parameters and values written in Postdatebyte[] ByteArray =Encoding. Default.

Create a new user registration form (VIPRegistration.cs):The user registration Form (VIPRegistration.cs) detailed code is as follows:1 usingSystem;2 usingSystem.Collections.Generic;3 usingSystem.ComponentModel;4 usingSystem.Data;5

First create the database:[Vip]Create three tables:respectively:[Vipinformation] ( member Information )[Log] ( log )[Vipaccount] ( account Privileges )Detailed statement:1 --Create a database [Vip]2 Create DatabaseVip3 on Primary4 (5Name='Vip'6,

JSON sample one:String jsontext={Code": 0,"Message":"Success","Data":{"Boardprovincename":"Shanghai","Boardcityname":"Shanghai","Boarddetailaddress":"No. 449, Lane 8th, Nujiang North Road, Putuo District

C # function coverage summary learning, Override class member: the virtual function is replaced by the new keyword.After a virtual function is overwritten, no parent variable can access the specific implementation of the virtual function.Public

C # When simulating an Http request, the basic connection is closed and the trust relationship cannot be established for the SSLTLS security channel, // Solution: // introduce the namespace: using System. security. cryptography. x509Certificates;

Use of get set in c, When I learned c # in the early stage, I often encountered the following statements: Public string StudentName { Get {return stuName ;} Set {stuName = value ;} } I didn't quite understand why? After learning c #, I cannot make a

Xamarin. ios -- First APP, xamarin. iosapp Environment: MAC + Xamarin Studio Let's talk about installation first. The most common method is to go to the Xamarin official website, register an account, enter the information, and download and install

[C #] Send a message to a windowless process, Note:This article applies to the. net2.0 + winform program. A winform program, I hope it cannot be opened more, so when the user starts the second instance, as the second instance, there may be several

An overview of the ABP Program ABP is short for "ASP. NET Boilerplate Project (ASP. NET sample Project. ASP. NET Boilerplate is a new starting point for developing modern WEB applications with best practices and popular technologies. It aims to

Pearl (bead), pearl beadDescription There are n pearls of the same shape and size, and their weights are different. N is an integer. All pearls are numbered from 1 to n. Your task is to find the weight of a pearl in the middle, that is, the weight

Six relationships of UML class diagrams and uml class diagrams I have completed about 1/3 of the rebuild series. In these articles, I used some simple class diagrams to describe the rebuild policy. In subsequent articles, I may introduce it with a

[C # advanced series] 26. asynchronous operations restricted by computing, What is a computing-restricted Asynchronous Operation? When a thread is using a CPU for computing, it is called a computing limit. The corresponding IO limitation is that the

C #~ Asynchronous programming continues ~ W3wp.exe caused by awaitand asynccrashes, This has recently started to happen again. The application pool of IIS is not suspended and all points to the same finger, async, threadPool, Task, and System.

C # windows service programs Windows Forms applications run only after a user logs on. Especially for a multi-user system such as a server, although the system is set to start automatically, but during the process of running the program, the user

3. Resolving Services and resolvingservices When you complete component registration, after exposing a component as an appropriate service, you can resolve the service through the sub-lifecycle domain of the container or container (After you have

C # reflection mechanism introduction, Reflection definition: the ability to review metadata and collect information about its type. Metadata (the most basic data unit after compilation) is a lot of tables. When compiling an assembly or module, the

List of. Net architecture essential tools and. net architecture essential tools N a few years ago, Microsoft posted ten necessary tools on the. Net Website. N years later, many things have changed and the list seems outdated. In addition, this

C # some pitfalls of POST Https requests,Preface: This problem has occurred since the last time the website was connected with the partner. At that time, when C # was used for POST submission, there was always a problem, after searching for a long

Synchronous call of asynchronous methods in HttpClient and httpclient In System. Net. Http, httpClient that uses Http to communicate with remote servers is provided, but it is asynchronous. Sometimes we do not need to use asynchronous operations.