C # simple example

Using System;Using System. Collections. Generic;Using System. Text;Using System. Collections; Namespace MyLunch{/// /// Switch usage/// ///Public class Number{ArrayList list = new ArrayList ();Int [] intList;Public Number (){ }Public void Input

Yahoo company C # pen Questions and answers

Question 1. (single choice)In a computer network, the index for data transmission reliability is -- 2.1. Transfer Rate2. Error Rate3. Information Capacity4. bandwidth utilizationQuestion 2. (single choice)Which of the following statements about the

Const and readonly usage of c #

1. Application Scenario Reproduction A simple application solution is as follows: The CSharpLib class library defines a simple SomeType class as follows: 1 namespace CSharpLib 2 { 3      public class SomeType 4      { 5

Code for converting DataTable to JSON Data Format

For a project, DataTable is used to convert the data into JSON data, and ExtJs is used at the front end. So put this method up:  Code Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> 1 public

C # compile the code to check whether the QQ status is online.

C # The code for querying whether the QQ status is an online instance is as follows:Private void button3_Click (object sender, System. EventArgs e){If (textBox3.Text = ""){MessageBox. Show ("the QQ number of the current query is required! "," Error

C #

As a beginner, using APIs in C # is a headache. When using APIs, you must know how to use structure, type conversion, secure/Insecure code, controllable/uncontrollable code in C.Everything starts from simple, and complicated people cannot accept it

C # copy and paste text information to the clipboard

Copy:Private void button#click (object sender, System. EventArgs e ){// Takes the selected text from a text box and puts it on the clipboard.If (textBox1.SelectedText! = "")Clipboard. SetDataObject (textBox1.SelectedText );} Paste:Private void

Replace the default Webbrowser pop-up menu

Using System;Using System. Collections. Generic;Using System. ComponentModel;Using System. Data;Using System. Drawing;Using System. Linq;Using System. Text;Using System. Windows. Forms;Using System. Threading;Using HtmlDom;Namespace

Difference between const and readonly

Both readonly and const are used to identify constants. Different initialization valuesThe constant modified by const must be assigned a value at the same time as the declaration.The readonly field can be assigned a value during initialization

C # practical application of the feature Attribute: provide multiple versions for the Application

For the following reasons, you must provide multiple versions for the application: 1: The application has a trial version and a full functional version; 2: Automated operations are required during application testing;  1: Trial Edition For the first

Use ICSharpCode. SharpZipLib for compression

# ZipLib isZip, GZip, Tar and BZip2 libraryWritten entirely in C # for. NET platform. it is implemented as an assembly (installable in the GAC), and thus can easily be ininitialized into other projects (in any.. NET language ). # ZipLib was ported

C # linked list

/// /// The linked list is a chain storage structure corresponding to a linear table (A1, A2, A3, A4, A5, A6 ).// H --> | A1 | --> | A2 | --> | Ai-1 | --> | Ai | --> | An |/// H is a virtual node, which is equivalent to the Root node)/// An = {data,

Solution to c # SESSION loss

When we use C # To develop programs, we often encounter unstable sessions and data loss. The following is a solution for Session data loss.1. In the WEB. modify the SESSION state saving mode in the CONFIG file, for example, 2. Start the System

Three practical methods for JavaScript Object cloning

Method 1 View sourceprint? 01 function clone (obj ){ 02 var o; 03 if (typeof obj = "object "){ 04 if (obj = null ){ 05 o = null; 06} else { 07 if (obj instanceof Array ){ 08 o = []; 09 for (var I = 0, len = obj. length; I 10 o. push (clone (obj [I])

Test Time Using Timing in C #

The following data members are required to test the time using the Timing class: StartingTiming -- the start time for storing the code being tested is used; Duration --- end time of the Code being tested. Common Timing methods: StartTime,

C # foreground js calls background code and background code calls foreground js

  C # foreground js calls the background code Front-end js Background code public string Getstr() { String aa = "Hello! ";   return aa; } C # Call the front-end js code in the background Front-end js onclick="Button1_Click" /> Background

C # Read text and display data in the Dev Control

The following is an example of the text data to be read. Inventory management-inventory transaction historyTransaction ID Transaction date commodity code218478806 2100325K0094218478808 2100325K0150218478810 2100325K0145218478812 2100325K0131218478814

C # Summary of Solutions to control flickering issues

By peter Y The Code has been optimized recently. After the test, the results are still good, but the interface will flash. Specifically, the TreeView control will flash, the language is C #, And the IDE is VS2005. After reading some materials and

C # Plug-in program development

What is plug-in programming?When talking about plug-ins, we first think of firefox. Anyone who has used firefox knows that it is a plug-in program. When a function is required, you can download a plug-in from the Internet and restart it. This

C # weird attributes (I)

It is stated in advance that the code in this article is a test demonstration under Visual Studio 2008 and. NET Reflector 7.0.0.420. If the code is not tested under Visual Studio 2010, you have time to complete the test.First, you need to explain

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