C#

1. Split intercept according to a single separator characterString st= "Gt123_1"; string[] Sarray=st.split ('_');Output: sarray[0]= "GT123", sarray[1]= "1".2. Use multiple characters to separate stringsString str = "gtazb_jiangjben_123"; string[]

In today's software development, network programming is a very important part, this article briefly introduces the concept of network programming and practice, the need for friends can refer to the following Read the catalogue: BasisSocket

One: What is polymorphism? Multiple forms, both different objects are different for the same operation. Ii. several considerations for abstract classes 1, abstract class using the abstraction modifier 2, abstract methods can only be found in

Using system;using system.io;using system.web;using system.web.ui.webcontrols;namespace DotNet.Utilities{/////File Upload class/// public class Fileup {public Fileup () {}// //Convert to byte array//// file name byte array public byte[]

This article mainly introduces C # to implement date format conversion of the public method class, combined with a complete example of C # for a variety of common date format conversion methods, involving c#http://www.php.cn/wiki/57.html "target="

This article mainly introduces the method of building paging application in C #, and analyzes the concrete steps and related implementation techniques of C # to create paging function with instance form, and the friends who need can refer to the

This article mainly introduces C # programming to obtain client computer hardware and system Information function, can realize the client system CPU, hard disk, motherboard and other hardware information and client operating system, IP, Mac and

Article is collected online, I saw that most of the content is suitable for asp.net2.01. Open a new window and transfer the parameters:Transfer parameters:Response.Write ("")Receive parameters:String a = request.querystring["id"];String B =

This article mainly introduces the implementation code of drag and scale of WinForm control in C #, and the drag and zoom of C # WinForm control is a useful function, which is interesting to understand. The drag and scale of the C # WinForm control

1. Use the queryhttp://www.php.cn/wiki/57.html "target=" _blank "style=" LINE-HEIGHT:1.76EM; " >string variable QueryString is a very simple method of transmitting values that can be displayed in the browser's address bar. You can use this method

This article mainly introduces the use of C # to send custom HTML-formatted messages, detailed introduction of the method of sending HTML-formatted messages, interested to understand. To send an HTML-formatted message, set the Isbodyhtml property

This article introduced the c#.net, http://www.php.cn/wiki/48.html "target=" _blank ">javascript and JSON related knowledge, has a very good reference value, followed by small series together to see it Write in front All hands, no superfluous words,

The C # array, ArrayList, List, dictionary Access data are often encountered in the work, but which type of data is chosen for storage? Very confused, today's small series of time to everyone to clean up this aspect of the content, the need for

Dynamic join libraries (DLLs) are an important way to speed up the execution of critical parts of an application, but I'm afraid that most people don't know that the ASP file can also be used to speed up the execution of the server by calling the

This article mainly introduces the C # generation of random number function, involving C # mathematical operations and string manipulation related skills, with a certain reference value, the need for friends can refer to the following The example

This article mainly introduces the inheritance related knowledge of C # class. Have a good reference value, follow the small series together to see it Inherited A class can inherit from another class. In C #, there is only a single inheritance

Typical oop applications: entity classes, typical oop Application entities 1. You need to know the relationship between the three figures.   2. Object Type and Database Type     3. Comparison between readonly and const   The differences

Single Column, Singleton Mode Using System;Using System. Collections. Generic;Using System. ComponentModel;Using System. Data;Using System. Drawing;Using System. Linq;Using System. Runtime. Remoting. Services;Using System. Text;Using System. Text.

C # generate a PDF file stream, 1. Set Font 1 static BaseFont FontBase = BaseFont.CreateFont("C:\\WINDOWS\\FONTS\\STSONG.TTF", BaseFont.IDENTITY_H, BaseFont.EMBEDDED);2 static iTextSharp.text.Font bodyFont = new iTextSharp.text.Font(FontBase,

File Operations, file operations 1. Using the C # program to read and write a file requires the following five basic content: ① Create a file stream ② Create a reader or writer ③ Perform read/write operations ④ Close the reader or writer ⑤ Close the