C#

/* Author: Jiangong SUN */       1. Duplicated code Extract method or Extract class 2. Long method Extract method, replace temp variable by query, Parameter object (DTO), Replace method by method object, 3. Large class Extract class, extract

[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

I recently made a secondary development of U800 phones. I needed to call the C function library of the manufacturer to call the phone. Later I wanted to add the call recording function. However, I found that the WAV file produced by the program is

For details about Castle development, refer to the Castle Development Series by instructor Li huijun, which contains the ActiveRecord learning practices series and the Castle IOC container series. It is a good tutorial. The following describes the

Taste programming is not simply based on the knowledge in books, but summarized in the practical development process. There may be multiple methods for a problem, however, no matter which method you use, remember that you must consider the Code's

There was nothing to worry about, and I wrote an example of converting numbers into RMB capital. The main difficulty is that "0" is in different locations and the processing method is different. Here, we consider a general number with an integer of

Preface I have been training at the company for the past few days, and I have some basic knowledge. At the same time, I also took this opportunity to consolidate my own infrastructure. The foundation is too important. I have been looking at

C # language used If you retrieve data from the background, you don't need to talk nonsense. First, let's look at the serialized json data.ObjectToJSON (JavaScriptSerializer jss = Exception (++} serialization method Int32 RoleID {; RoleName {;

C # delegation and event Introduction Delegation and events are widely used in. Net Framework. However, it is not easy for many people who have been in contact with C # for a long time to better understand delegation and events. They are like a

* This Article is not original to the blogger. The original author's article link is not saved in the favorites folder. Sorry, the copyright belongs to the original author. This document is only slightly modified. 1. Create a new C # Windows

I. Introduction For some beginners (including those who have been working for several years), the problem of parameter passing between methods is sometimes confusing, because the basic questions for parameter passing are also frequently encountered

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){/

Performance Optimization Principles ·Understanding requirements One performance requirement of MultiRow is: "smooth scrolling under millions of data lines ." This goal has been taken into account throughout the development process of the MultiRow

String sConnectionString = "Provider = Microsoft. Jet. OLEDB.4.0;" +"Data Source =" + path + ";" +"Extended Properties = Excel 8.0 ;";// Create an EXCEL connectionOleDbConnection objConn = new OleDbConnection (sConnectionString );ObjConn. Open

If it wasn't because of this project, I would never be able to access the coin reader, nor would I know what CashCode is. From the project, to the CashCode machine to the desktop test, I found information on the Internet, and also contacted Beijing

(); dca="Dictionary Non-static variable Main (= (I =; I dcA = Dictionary str =Static variables     Then, after the hash table is cleared, the code for non-static variables is like this.  

Let me start by saying that the idea I used in this article is not originally mine, but since I have only heard of it and have not been able to find any actual examples of its implementation anywhere I wrote the code to handle it. With that out of

Lambda Overview Lambda expressions The expression is passed to the delegate type. del( i); Main([] args){ del myDelegate = x => x * x; j = myDelegate(5); } Expression Tree Type System.Linq.

I recently saw the Console that the instructor talked about in the C # Video. writeLine () only needs to write down cw, and then press the tab key twice. I didn't know it before, And suddenly felt very useful, so I collected some related shortcut

In projects, we often involve read and write operations on Excel, and there are also many Excel operations on the market. The following methods are commonly used: 　1. COM component operation Excel read/write 　　2. Perform Excel read/write operations