C#

The event provides the ability to send notifications to the outside world for instances of classes and classes, implements communication between objects and objects, and if an event member is defined, indicates that the type has 1. Ability to

1, in the ASP page header Join Response.Buffer = True response.expiresabsolute = Now () - 1 response.expires = 0 Response.CacheControl = "No-cache" response.addheader "Pragma", " No-cache " 2. Add in

One, form submission: .... form1.submit (); .... This method is typically used in HTML pages, not in ASP. NET, because the form of ASP. NET is always submitted to its own page.Second, the link of a label way Link address Transfer receive page:

struct type (struct type) of numeric type: After the simple type of learning, we are doing some of the commonly used data operations, word processing, seems to be enough, but when we encounter some complex data types, for example, the class

For C # (sharp) To be honest, I was just beginning to teach myself, sophomore my major is actually Java, but C # I will not fall, starting today to embark on the road of self-learning C #! One: Understanding C # and. NET . Net/dotnet: generally

Decorator mode definition: Instead of adding class attribute actions through derived classes, this effect is achieved dynamically through pattern design, and is more convenient and flexible than inheritance to reduce the complexity of the program.

Using system;using system.collections.generic;using system.io;using system.linq;using System.Text;using System.text.regularexpressions;using system.threading.tasks;namespace fileutility{public class Program {Pub Lic static void Deepcopy

In C #, the way to iterate through the various collections of data is summarized here: 1. Enumeration type Iterate through enumeration types for each enumeration name of Sample, foreach (String sp in Enum.getnames (typeof (Sample))) { ary.

FileUpload in C # post-selection preview effect Implementation method:Html: Js: function Onfilechange (sender) { document.getElementById (" Imgdimensionalpic "). src = window. Url.createobjecturl (Sender.files[0]); } Cases: The

C # Generate thumbnails of non-distorted methods instance sharing ///get thumbnail////// public bool Getthumbimg () {try{ String Imgpath; The original path if (Imgsourceurl. IndexOf ("\", 0) = width) {return false;}

The main introduction is the self-painted form border and background color progressively lighter (deep). 1. Set the form to no-border mode first This. FormBorderStyle = System.Windows.Forms.FormBorderStyle.None; You can also right-click the form,

This feature is suitable for Web sites where background database functionality is not strong, that is, most of the text is not stored in the database records, but in the HTML file or XML file, just put the index into the database, such as the

. NET contains a special object class that can accept values of any data type, and when the type passed or assigned is not a specific data type, the object class provides a common way to pass parameters and assign values. The value assigned to

First we know that the difference between a desktop and a laptop is whether it has a power supply If the API that reads the power information provides a return value, is it possible to conclude that it is a laptop or a desktop computer? Let's look

MS Bot Framework application to public account, botframework       1. Download the SDK of the Bot Framework First, download the SDK of the Bot Framework. We recommend that you download the Bot Application template of the Visual Studio of the Bot

Replace the switch Branch (14) and switch branch of the factory with reflection technology First of all, I wish you a happy New Year and good luck. Well, we have talked a lot about the factory model, which has a very obvious feature. There is a

Generic parameter conversion Objects generated by different parameter types of generics are independent of each other. // Tuple ts; Tuple to; // ts to is an object of two types. Many times, we want to implement the to = ts operation. Why? Because

Learning C # From Scratch -- basic syntax (2 ),Basic syntax (Cainiao series tutorial) C #, also known as Csharp, like C well. C # is an object-oriented programming language. In the object-oriented programming method, a program consists of various

C # Study Notes 14, 1.Avoid using this, typeof (type), and string to synchronize data from multiple threads, which may lead to deadlocks. 2.Interlocked: the mutex Lock mode (Data Synchronization) We generally use is the Lock keyword (that is, the

Go to: correctly implement the IDisposable interface and the idisposable Interface MSDN recommends implementing the IDisposable interface in the following mode:   public class Foo: IDisposable { public void Dispose() { Dispose(true)