C#

Recently in the optimization of the project. The copy time of some data is now too long. A reasonable numerical relationship between the number of batches and the amount of copies needed to be optimized before going live.Recent projects used in the

More messy, there is time to organize it.1Provider=microsoft.jet.oledb.4.0; Persist Security Info=false;data Source=c:/d.mdb; Jet Oledb:database password=123456!"2 3 4 Private voidGetcon ()5 {6

has always been to the understanding of recursion is not deep, sometimes feel very simple, but it will always go wrong. There is a need to display all directories and files under a folder in the TreeView control, with no unintended need for

1.Allowusertoaddrows Property: Indicates whether the option to add rows to the user is displayedAllowusertoordercolumns property: Indicates whether the column is allowed to be relocated by handAllowusertoresizecolumns property: Indicates whether the

one. UDP ProtocolUDP (user Datagram Protocol) protocol is a "Subscriber datagram Protocol", which is a non-connected protocol, and no connection is primarily compared to the TCP protocol. We know that when transmitting data using the TCP protocol,

Recent projects require real-time editing of Datagirdview controls in Winfrom to ensure real-time synchronization with database data.Requirements: Edit and add the Datagirdview to ensure the data is synchronized with the database.Analysis: This is

The Tcpsend window is used to send a message, and another application to receive the message, the message is accepted later, you must close the window to receive the message, in order to receive new messages, do not know how to solve the

Development NOTE 1: model, Development Note Model ORM implementation includes Reflection, fan type, code generation, and other common methods, such as single-use or hybrid. The c # model is very powerful. When used in ORM, some features may become

C # network communication framework networkcomms kernel parsing 5 Data listening, This article is based on the open-source gplv3 protocol of networkcomms2.3.1. In networkcomms, the server can listen to data synchronously or asynchronously. Take open-

C # compiling the SqlHelper class (3 ), The following describes how to directly write a complete SqlHelper using a variable length parameter.Add, delete, and modifyPublic static int ExecuteNonQuery (string SQL, params Parameter [] parameters){Using

C # how to test the code running time, Method 1: System. diagnostics. stopwatch stopwatch = new Stopwatch (); stopwatch. start (); // Start to monitor the code running time // code to be tested .... stopwatch. stop (); // Stop monitoring TimeSpan

C # simple multi-thread application, The following is a simple usage of multithreading in C: Thread thread = new Thread (new ThreadStart (ReadExportData); // create a branch ThreadThread. Start (); // starts to run the branch thread ... // The

C # basics-Application of extension methods, Recently I was interested in the extension method. I looked at the information and recorded several methods of the extension method. I. basic use of the extension method: Note: 1. Extension methods must

24. C # linq to xml (chapter 12, 12.3 ), I have written so much about it myself, but I still have a lot TO understand. It's a little impetuous, but I still want TO eat it. Let's talk about LINQ TO XML. Linq to xml is located in the System. Xml. Linq

Implementation of the Winform program for file management based on Service (Web Service) and winform for file management1. Description A Service-Oriented Architecture (SOA) is a component model that associates different functional units (called

C # int. Parse () and int. TryParse (), Int I =-1;Bool B = int. TryParse (null, out I );After the execution is complete, B is equal to false, I is equal to 0, rather than-1. Remember. Int I =-1;Bool B = int. TryParse ("123", out I ); After the

C # Easy to pay automatically when connected to China TelecomHe has such a JS PassGuardCtrl. js Code 1 defaults: {2 obj: null, 3 random: null, // number of random factors 4 hidPwdName: 'Password', // hide the name of the password box, used to save

. Net (c #) Chinese Character and Unicode encoding are mutually converted, {"Tilte": "\u535a\u5ba2\u56ed", "Href": "http://www.cnblogs.com"} This json string is often used to convert the Chinese characters into Unicode codes.Unicode

C # Baidu map development (I) Initiate HTTP requests The Baidu map development documentation provides many examples, but there are some differences when you use specific languages for development. I developed it using C. When obtaining the

C # Binary Search /// /// Binary Search/// /// Array /// Start index 0 /// End Index /// Object To be searched /// Index location of the object Public static int BinarySearch (int [] arr, int low, int hight, int key) { Int mid = (