C#

Using System;Using System.Collections.Generic;Using System.ComponentModel;Using System.Data;Using System.Windows.Forms;Using System.Data.OleDb;Using System.IO;Using System.Drawing;Using System.Linq;Using System.Text;Namespace epas.f06predata//own

public static class Sort {#region settings Panelcontrol on the button display location//////Settings button display Location/ // need to adjust the order of the buttons panel// button interval public static void Setbuttoncenter (ScrollableControl

Opening I because of the love of network programming, regular use of C # to write various types of servers (e.g TCP server, UDP server), but basically are engaged in play, there are a lot of web-based C # network programming articles, of course, I

1. Remove header information from XML or similar files string text = File.readalltext ("E:\\aa.xml"). Replace ("\ r \ n", ""); text = Regex.Replace (text, @ " Function:Replace the carriage return, line break in the Aa.xml file with "", and

1. Explicitly registered Evenhandler to explicitly unregister to avoid memory leaks An event that registers a member method with an object causes the latter to hold a reference to the former. The former is not garbage collected until the event is

C # Determines if a string can be converted to a number /// determine if the string can be converted to digital///// the string to check // true: Can be converted to a number; false: not a number public static bool

Original address: Click to open the link DataContractSerializer class Serializes and deserializes a type instance into an XML stream or document using the provided data contract. This class cannot be inherited. namespaces:

In real-world projects, when we design a parent class, we often encounter this class that cannot determine its specific execution flow. For example, I design a file class: public class Afile { private string name = String. Empty;

C # dev Gridcontrol "Time" string formatting Public void Formatedate (ref DataSet DS, String colname) {if (ds! = null && ds. Tables.count > 0 && ds. Tables[0]. Rows.Count > 0) {foreach (DataRow dr in DS. Tables[0]. Rows) {String columnvalue =

Datarow.itemarray Property Gets or sets all values for this row through an array. Namespaces: System.Data Assembly: System.Data (in system.data.dll) code example: private void Createrowswithitemarray () {//Make a DataTable using the function

This article mainly introduces the method of extracting multi-layer nested JSON data from ASP, and analyzes the steps and related operation skills of ASP. NET to parse the JSON format data in detail, which has a certain reference value, the need of

　　 1. What is a constructor function? What are the constructors? What are the definitions, implementation methods, and considerations for each constructor?The so-called constructor is a method that initializes the object, that is, after the

C # Basic Structure Using system;using system.collections.generic;using system.text;namespace consoleapplication1{ class Myfirstclass { static void Main (string[] args) { Console.WriteLine ("Hello world!");

Original address: Click to open the link [ abstract ] This article describes the C # WinForm multithreaded development of ThreadPool and Timer, and provides detailed sample code for reference. In this paper, we continue to explore the

Classes and structs are two basic constructs of the same type of system in the. NET framework. Both essentially belong to the data structure, encapsulating this group as a whole as a logical unit of information and behavior. Data and behavior are

Preface: This article intends to write AOP, speaking of AOP, in fact, Bo master contact this concept only a few months, understand, before they know that many of the original code is based on the principle of AOP, such as the MVC filter filters,

Array: Int [] intarray = new Int[6];int [] intarray = new Int[2][];int [][][] intarray = new Int[2][][];intarray[1][2][1] = 3;I NT [,] myTable = new int[2,3];mytable[1,3] = 3; The Length property contains the number of elements in each dimension of

Explicit and implicit belong to the conversion operators, which allow us to customize the type to support mutual exchangeExplicti represents an explicit conversion, such as a forced type conversion from A to B (b = (b) a)Implicit represents an

Look at what the syntactic sugar in C #6.0 has done (part 1 ), Reference

C # Use NPOI to obtain the image in Excel and save it to a local algorithm, Requirements:Read the image in excel and save it to the specified path. Idea: Use the GetAllPictures () method in NPOI to obtain image information Steps: 1. Create a Windows