C#

Server Client Communication After establishing a connection with the server, we can use this connection to send and receive data. Data is transmitted between a port and a port in the form of a Stream. Because almost any object can be saved to a

Write a conversion program for the ICON to support conversion from the pngjpemp format to ico. The specific program is as follows. If there are too many people, write down your ideas in two days. For more information, see the code.  Using

Write a C # program that will cause deadlocks to help you understand the meaning of deadlocks:  Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->Using System; Using System. Collections. Generic; Using

Using System;Using System. ComponentModel;Using System. Data;Using System. Windows. Forms;Namespace WindowsApplication1{Public partial class Form1: Form{Public Form1 (){InitializeComponent ();}Private void button#click (object sender, EventArgs

In fact, people who have used C # know that it will suggest you use the String. Length attribute to determine whether the String is a null String, but do you understand the reason? I am a little idle today. I wrote this article specially. I hope it

Applications can have multiple threads. When the program needs a lot of time to process some businesses or processes, it can be operated through threads. If the application does not use a thread, this will cause a lot of trouble. For example, there

The implementation code is as follows:Public partial class DownLoadFile: System. Web. UI. Page { Protected void Page_Load (object sender, EventArgs e) { String picName = Request. QueryString ["InternalSysURL"]; If (! String. IsNullOrEmpty (picName ))

I. template files Template.html Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> $ title $ generate a static page Demo $ title $ Content: $ content $ Background code Code

It's a bit boring to be idle. I remember I used c to write the addition and subtraction of infinite digits in acm before. What about multiplication and division? Now I wrote one in c: Addition and subtraction are simple. They use an array to save

Add Web reference: http://www.webxml.com.cn/WebServices/WeatherWebService.asmxUsing System;Using System. Collections. Generic;Using System. ComponentModel;Using System. Data;Using System. Drawing;Using System. Text;Using System. Windows.

In general, I only need to use the ArrayList. Contains () method to determine whether an element exists. However, if the ArrayList Contains a custom class, I need to implement it myself, as shown in the following example: For example, we have a

This article will mainly explain the differences and advantages and disadvantages of using the "synchronous call", "Asynchronous call", and "Asynchronous callback" to execute the same "addition class" with a delegate.  First, use the code to define

Use regular expressions to extract plain text in html. The Code is as follows: Using System. Text. RegularExpressions; Private string StripHT (string strHtml) // extract plain text from html{Regex regex = new Regex (" ", RegexOptions. IgnoreCase

1. Define and use functionsA function is a method, code block function names that can be executed in any part of the application are generally written in the form of PascalCasing. The Void keyword indicates that the function has no return value. 2.

Reference, scope, closure, and context are the top priorities of JavaScript and the foundation for learning JavaScript. Here I will share with you a simple understanding: 1. First, describe the reference (Definition): The reference is a pointer to

Directly run the Code: using MSExcel = Microsoft.Office.Interop.Excel;public class ExcelHelper{ /// /// Creates the excel file by column. /// /// The filename. /// The columns. public static void CreateExcelFileByColumn (string

Sybase. net Provider. In a few cases, "sybdrvadow.dll, HRESULT: 0x8007007E cannot be loaded" occurs in some systems. The reason is that the Assembly. dll file on which sybdrvadow.dll is dependent is missing. Sybdrvadow.dll depends on the following

Set file PropertiesString filePath = @ "d: file ";DirectoryInfo dir = new DirectoryInfo (filePath );FileInfo [] fileInfo = dir. GetFiles ();Foreach (FileInfo file in fileInfo){String fileName = file. FullName;File. SetAttributes (fileName,

/Database connection string (configured by web. config). You can dynamically change connectionString to support multiple databases.Public static string connectionString = System. Configuration. ConfigurationManager. ConnectionStrings

Note: I am a C # programmer, but once I had a requirement that I could only use C/C ++ to write, and the data to be read was stored in DB (SQL CE v3, I don't know how to use C/C ++ (the key is to use OleDB to access the database, which is really