C#

Use the tag attribute placement encoding of TreeNode and the Text attribute placement name of TreeNode. The simplest example is as follows: add two nodes first and then process the AfterSelect event:Using System;Using System. Drawing;Using System.

Method 1: In the packaging project, locate the "msiexec.exe" file (generally found in c: windowssystem32 (in the system directory ). In the file system view, select the application file, right-click msiexec.exe and choose "create shortcut", and

You can call mysqldump, a MySql tool. Class Cmd to call the cmd command,The Directory of the process to be started is the directory of mysql's automatic backup and restoration database tool mysqldump and mysql. Of course, this method can execute

As long as the Socket connection is used, Thread is basically used, which is cross-used.C # encapsulation Socket usage is basically not very complicated, but I don't know whether the hosted Socket has any other performance or security issues.The

C # Notes for connecting to the MySql database: 1、c‑linked mysqldata library to download a mysql-connector-net-6.0.4-noinstall.rar file containing a bunch of dll files. Put them all in ProjectBin and introduce them in ~ For mysql. data. cf. dll, do

The database connection string is read from the configuration file. Code Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->Using System;Using System. Collections;Using System. Collections. Specialized;

Objects are top-level parent classes of all classes, and objects provide four Virtual Methods: Equals, GetHashCode, ToString, Finalize. In this series of articles, let's take a look at the use of these four methods. The first is the reference type

N hasn't done any WinForm program about C # For a long time, and has been studying asp.net programs. Today, a friend asked me a question like deep graph traversal. At first I didn't know how to start. I asked baidu and google, and I saw an example

Private List TestParse (String [] strings){Int32 intValue;List intList = new List (); For (int I = 0; I {IntList. Clear (); Foreach (String str in strings){Try{IntValue = Int32.Parse (str );IntList. Add (intValue );} Catch (System.

Although there are examples of forms that do not obtain the focus, I don't know how to implement them, so I still want to "do not get the focus of the form" first, then, return the focus to the previous focus form. You don't need APIs at the

In many cases, we need to list all the tables in the specified database. When using c # for software development, what methods can we achieve this goal? I have summarized this in the following 6 ways to achieve this goal. 1. sqldmoSQLDMO is an ideal

I haven't written some examples for a long time, so I can paste a jitter form that I used to do. The sound is basically the same as the form jitter of QQ.View source Print? /// /// Jitter form /// /// form public void JitterFrom(Form frm)

Using System;Using System. Collections. Generic;Using System. Linq;Using System. Text;// You need to add System. Drawing and System. Windows. Forms references.Using System. Drawing;Using System. Drawing. Drawing2D;Using System. Drawing.

A structure is a value type, which is usually used to encapsulate a group of related variables. The structure can contain constructors, constants, fields, methods, attributes, operators, events, and nested types, however, if the preceding types are

// // Merge multiple tables with the same structure// /// // DataTable  Function Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->1 public DataTable GetAllDataTable (DataSet ds) 2 { 3 DataTable

A: private void button#click (object sender, EventArgs e)...{System. Threading. Thread s = new System. Threading. Thread (new System. Threading. ThreadStart (test ));S. ApartmentState = System. Threading. ApartmentState. STA;S. Start ();} Public

This is part of the code I used to cut strings using regular expressions: Function Description: extract multiple types of data details from a Logistics Information string The data to be cut out includes: Starting Place, destination, cargo quantity,

001 using System; 002 using System.Collections.Generic; 003 using System.Linq; 004 using System.Text; 005 using System.Data; 006   007 namespace Common 008 { 009   010      public static class JsonExtensions 011    

RFID radio frequency identification is a non-contact automatic identification technology. It uses RF signals to automatically identify the target object and obtain relevant data. It can work in various harsh environments without human intervention.

1. concept description Is the operator used in C # To determine type compatibility. Check whether an object is compatible with other specified types. If an object is of a certain type or its parent type, true is returned, otherwise, false is