C#

Example: public student {private string name; // private variable. private int age cannot be accessed externally; // Private variable public string Name // The Name here can be used as a special variable to understand {set {name = value;} // you

It is necessary to ensure that the software runs only once, and the method is also very simple. You only need to judge whether the current process name exists in the process. For WPF software, it is determined in App. XAML. cs. You can override the

Custom Object User, which sorts the List set by age. [Csharp] public class User {public User (int age, string name) {Age = age; Name = name;} public int Age {get; set ;} public string Name {get; set ;}} here we need a custom comparator [csharp]

Enumeration types: The enumerated type is a set of data structures composed of a group of specific constants. It is a special form of value type. When a data type consisting of a specified set of constants is required, use the enumeration type.

I. static keywords 1. Differences between static methods and instantiation methods:A) access and call methods:Static Method: Initialize before callingInstantiation method: Initialize an objectB) static fields: space is allocated in advance during

In c #, how does one set a method event to be automatically executed at intervals? Can I use a thread to implement it? How to implement it?For example, the SendToService method is automatically executed every 10 seconds.The following is my

Datagridview is the most complex control in. net. It is very difficult to compile a universal Datagridview (similar to the datatable in JSF) because of various table formats.   In the Datagridview, you can program rows, columns, and cells. For

[Csharp]Using System;Using System. Collections. Generic;Using System. ComponentModel;Using System. Data;Using System. Drawing;Using System. Text;Using System. Windows. Forms;Using System. Runtime. InteropServices; Namespace VistaRenderer{Public

A json help class is formed as required by the project. This is written in the. net3.5 Environment   Public class JsonHelper {// // convert Json to List /// /// // // public static IList JsonToList (string html) {IList result = new List

Array OverviewC # create an index for the array from scratch, that is, the array index starts from scratch. In C #, arrays work in a similar way as in most other popular languages. However, some differences should be noted. When declaring an array,

When the child form is displayed in the parent form, add the child form. owner = this; define a parent form object in the child form, and set the parent form object = (parent form type) this in the Load function. owner. Then, use this parent form

In development, interface programming requires that attributes be stored in Interfaces. But how can I inherit the attributes of interfaces in classes? At the beginning, I thought that attributes can be used as long as the interface is inherited. The

Public static string ObjToJson (T obj) {DataContractJsonSerializer serializer = new DataContractJsonSerializer (obj. getType (); string retVal = Constant. strNullString; using (MemoryStream MS = new MemoryStream () {serializer. writeObject (MS, obj)

Apps are often used in projects. some of the config files are automatically generated, such as those generated when the webservice or wcf Service is referenced, and some manually created configuration files are directly named app by default. config.

Since the c # Video is used to aid the learning of the design model, the content of this part is also the same as that of VB. although it was difficult at the beginning. after accessing some examples and experiments. it becomes much smoother to

I recently started to learn the big talk Design Model of instructor Cheng Jie. First, I want to study basic object-oriented knowledge, such as classes, encapsulation, inheritance, polymorphism, interfaces, and events; then I began to learn the first

Purpose: To pass a set of custom parameters to Form1 when you click the button in the subwindow Form2 and display them on the parent window Form1. Method: there are many methods. Here we only introduce how to implement delegation and events. Idea:

During coding, since we started to perform simple testing and development under winform, we wanted to divide the code into different classes because we had more code, however, because the original test is in the same form, it is very convenient for

Transaction is a program execution unit that accesses and may update various data items in the database ). Transactions are usually caused by the execution of user programs written in advanced database manipulation languages or programming languages

1. added the Microsoft. Office. Interop. Excel application.2 reference namespace using Excel = Microsoft. Office. Interop. Excel;/// /// If the supplied excel File does not exist then Create it/// /// Private void CreateExcelFile (string FileName){/