C#

https://msdn.microsoft.com/en-us/library/hh156499 (v=vs.140). aspxThis page lists key feature names for each version of C # with descriptions of the new and enhanced features in the lastest Version of the language.Previous VersionsC # 1, Visual

ADO. NET connection and non-link access to the database, and ado.net connection // Steps for accessing the database using the connection method 1. Create a connection object (l link string) 2. Create a Command object (set the attribute values of

First came to Java and. Net iterator functions, first came to. net This is a recent requirement, The function design of the data cache module is based on key-value pairs. One key corresponds to multiple values. Each key has the same value type, but

Common projects and projects 1. Paging Data Model: PagedDataModel. cs Usage: encapsulate paging data into a class. Public class PagedDataModel {/// // total number of pages /// public int PageCount; /// /// total number of rows /// public int

The top 10 most frequently used words in the statistics file (C # TPL DataFlow ), Recently, the company held a program writing competition, requesting that the top 10 words frequently appear in 2G files. The original idea was to use the dictionary

C # Use the HttpHelper universal framework to restart the router, First, declare that not all routers can restart the vro through the following code. The following code tests the router is (TP-LINK TD-W89841N reinforced ). Write code based on your

C # connect to the SQL Server database for simple operations, Environment: VS2010 + SQL Server 2008   First, design a database operation tool class MyTool according to the object-oriented programming philosophy. cs, which encapsulates methods for

Unity3d, C # using sqlite as a database solution   1. The editor establishes the database structure and generates the sqlite database file. You can use the navicat graphic interface editor to operate the file.2. Create a data warehouse and change

Three sorting methods for a set and three sorting methods for a set Sort the set by using the OrderBy method.   class Program { static void Main(string[] args) { IEnumerable result = GetStudents().OrderBy(r =>

C # example of SOCKET sending and receivingSocket Client Using System;Using System. Collections. Generic;Using System. Linq;Using System. Text; Using System. Net;Using System. Net. Sockets; Namespace A0140_SocketClient.Sample{ /// /// This class is

[XAML] similar to the Binding read method bound to WPF, xamlwpf In the XAML of WPF, you can use MarkupExtensin Based on BindingBase. When reading XAML, The BindingBase is automatically converted to BindingExpressionBase. Then, put it in the

C # create a PDF document Description: This instance uses third-party components ICSharpCode. SharpZipLib. dll and itextsharp. dll, which can be downloaded online. Code: Using System; using System. collections. generic; using System. componentModel;

C # basic --- Attribute and reflect (reflection) Application 2Background: [it seems inappropriate to simulate a background for convenience, but I wrote this in my Demo. of course, the comparison with the company is definitely not perfect] Everyone

5. Inheritance and polymorphism, 5. Inheritance PolymorphismIn this study, we will refer to Andrew Troelsen's C # And. NET4 advanced programming. This section describes the following things: 1. How to Use inheritance to build a set of related

Use the general permission framework to develop the workflow approval function.   It is really easy to use the general permission development workflow approval function. You only need to call the underlying approval and automatic approval

ExcelReport Article 3: Extended element formatter and excelreport Article 3Navigation Contents: NPOI-based report engine-ExcelReport Previous Article: ExcelReport source code analysis Overview The architecture of ExcelRepor has been introduced in

C # DotNetZip: compressing a single file, multiple files, and folders For better user experience, some projects will make the downloaded files into a compressed file and download them directly, so that you do not need to download the files one by

C # how to generate a QR code (including decoding) Using System; Using System. Collections. Generic; Using System. ComponentModel; Using System. Data; Using System. Drawing; Using System. Linq; Using System. Text; Using System. Windows.

C # public platform development-access_token acquisition, storage, and update, 1. What is access_token?Access_token is the globally unique ticket of the public account. access_token is required when the Public Account calls each interface. Under

Windows. Web. Http. HttpClient. GetStringAsync always returns the same result, system. web. http Today, when I tested the WP8.1 client of blog news, I found that the news on my computer has been updated. However, the mobile phone has not been