.Net Core

C #7.0 new feature 1: Based on Tuple's "multiple" return value method, This article is based on the Issue in the Roslyn project: #347.   Review First, let's raise a question: in C #, how can we make a method return "multiple" return values? Let's

C #3.0 new language features and improvements (1 ),Introduction As for the features of C #3.0, you may be familiar with it. Although I have used it in development, I still need to record it and summarize it. At the same time, it is also the basis

So that MySoft. Data can also have Discuz! NT database query and analysis tool, mysoft. datadiscuz Run Discuz in Debug mode! During the NT project, we will find a Data Query and analysis tool at the bottom of the page, which is very convenient. When

Use DocX open-source components to fill in dynamic data ., Docx Dynamic Data 1. First, Let's explain what dynamic data means. Dynamic Data means that the format of a piece of data is fixed, but the number of data entries is not fixed. 2. Application

DBImport v3.44 Chinese Version released: database data interchange and document generation tools (required by IT staff), dbimportv3.44Preface: The article published in the previous version V3.3 was about one year and 10 months ago. In fact, the

. Net c # a simple example of creating a WebService, Web service is a programmable web-based application that is used to develop distributed interoperability applications. It is also a web service. WebService has the following features: 1. Use XML

Automatic page time update and automatic page update 1. Get the Time of the local machine through JavaScript and update it automatically TIPS: You can use JavaScript to automatically update the year displayed at the bottom of the page. 2. Get the

WebAPI prerequisites: HTTP, RestfulAPI, and webapirestfulapi The basic understanding of the HTTP protocol is the basis for understanding and using RestFul APIs. After understanding these basics, you can use various RestFul development frameworks.

MVC Learning Series-Filter Extension and mvcfilter Extension In MVC, Filter can also be expanded. Here, I understand the Filter as AOP. I don't know any of you, so I have some high opinions... First, four major MVC filter artifacts:

ASP. NET filter class SqlFilter, prevents SQL Injection Original, sqlfilterfont What is SQL injection? I understand that SQL Injection allows some people to execute this SQL statement in the background through malicious parameter input to obtain

ASP. net mvc series: adds new attributes to existing models. asp. netmvc Add a new attribute Rating to the model class Movie. Recompile and regenerate the solution. Press Ctrl + Shift + B to add new data to the corresponding view, as shown in

ASP. net mvc series: add model validation rules, asp. netmvc First, reference System in the model class. componentModel. dataAnnotations namespace; System. componentModel. the DataAnnotations namespace provides definitions for ASP. net mvc and ASP.

CentOS7 (mini) Rapid Deployment of ASP. NET applications, centos7asp.net From mono 2.8 +, I began to pay attention to some messages about linux running. NET. I was idle recently and found that mono has already provided compiled sources, which

C # operate the database and try to encapsulate it into a class, Mysql operations Using System; using System. collections. generic; using System. linq; using System. text; using System. data; using System. data. sqlClient; using MySql. data.

The CheckBox control is required for user verification. the checkbox control is required. The CheckBox control, because its value is select and non-select. Therefore, when submitting data, users must select CheckBox. In normal cases, verification

Under ASP. NET, import the Excel of the rule to the database, asp. netexcel Today, I received a new requirement to display the data in the Excel sheet on the page. In my personal analysis, I first need to save the data in Excel to the database, and

C # knowledge point-reflection,I. Development Environment Operating System: Win7 Compiler: VS2010 . Net version:. net4.0Ii. Project Structure Namespace ReflectDemo {public class Bird {public string _ id; public string Name {get; set;} public int

Improving coding efficiency in the special topics of Linq -- Article 3 enumeration classes you need to know:   As we all know, if a class can be enumerated, this class must implement the IEnumerable interface, while all of our linq classes are

How to add parameters to the SSRS report and parameters to the ssrs report How to add parameters to an SSRS report A problem occurs after the connection.The report is refreshed constantly after parameters are added to the report, which is the same

How to Design User logon and User Logon In the Web system, user logon is the most basic function. To achieve user name + password login, many people's first thought is to directly create a Users table, which contains the username and password