C#

The ListView control has 5 ways to display the picture: LargeIcon (large icon), Detail (detail), SmallIcon (small icon), list (listing), Tile, commonly used in the first 4 kinds.Here's the setting: LargeIcon: Drag a ImageList control, add a picture

C # -- character operations, Question requirements: A random string consisting of letters and numbers. When a user continuously enters the string 'hello', the program ends the user input and displays the number of letters and numbers entered by the

[Crawler learning notes] Building of the SimHash-based deduplication module ContentSeen, simhashcontentseen Some websites on the Internet often have mirror websites (mirror), that is, the content of the two websites is the same but the Domain

C # obtain the CPU serial number, MAC address, hard disk ID, local IP address, computer name, physical memory, PC type, First introduce the service and then call This article Reprinted from

[C #] entering the asynchronous programming world,Going into the world of asynchronous programming-analyzing asynchronous methods (II)  Collation Thanks for your support. This is a supplement to "going into the world of asynchronous

Abstract class and class member, abstract class member 1. You cannot create an instance of an abstract class. 2. abstract classes are mainly used as base classes, but they can also inherit other common classes or abstract classes. 3. Abstract

String and string, Stringstring StringAndStringDifference From the perspective of location:  1.String is the String in. NET Framework, and the string in lower case is the string in C # language. 2. If you delete using System;, there is no upper-case

Lind. DDD. Utils. HttpHelper for correct use of HttpClient, httpclient Back to directoryThe official website is not necessarily right. Machines can prove everything best. I don't know when we will get used to adding using when writing database

[Crawler learning notes] MemoryCache usage learning, memorycache After completing the DNS resolution module, I realized that the DNS cache mechanism is also necessary. In Redis, Memcache, and. net built-in Cache, considering the deployment

A misunderstanding about distributed transactions: Will distributed transactions be started when TransactionScope is used ?, Background: Transactions are a basic concept of a database management system. transactions have four basic features: ACID:

Csharp: MySQL Stored Procedure using DAL, csharpstored # Create a table: 20160907 drop table attendrecord; create table attendrecord (seq int not null primary key AUTO_INCREMENT, emp_no varchar (20) null, rdate datetime not null, rtime time not null,

C #, simple mail sending function, mail auxiliary class, This help class can only send simple basic emails to multiple users with a single content. The copy function is not available. Add attachments. The function code is as follows, Private void

Enable and disable Internet The last time the tool was used to disable the Internet, it was not a high-tech one. You just need to use it, so I will not describe it here. There is a brief introduction in the code. Enable Disable InternetPublic bool

WinForm DataGridView bind generic List (List )/ArrayList does not show the reason and solution, arraylist generic Background: I accidentally encountered a small problem and hoped to help some people!I. Problems WinForm DataGridView bind generic List

C # variable initialization problem: the initial value of a field cannot reference non-static fields, methods, or attributes, Http://www.cnblogs.com/bluestorm/p/3432190.html Problem: non-static fields, methods, or attributes cannot be referenced

A six-year rookie, some features made before four years, a 64-year Foreplay:I have been in the park for so long. I wrote my blog so seriously for the first time. I will introduce myself to myself. I am an old cainiao living in the C # camp, and I am

Revit reads all views of the current rvt and their names. revit reads the current rvt 1) read all views: public static ViewSet GetAllViews(Document doc) { ViewSet views = new ViewSet(); FilteredElementCollector collector

C/S package client/windows program InstallShield, package installshield After the development is complete, we can start the exe directly in the Debug directory to run the program. However, how to install it, add it to the Start Menu, desktop

C # assign values to two classes with the same attributes, Recently, we have encountered the problem of assigning values between two classes. The attributes of both classes are almost the same. Therefore, we wrote a method to obtain attributes and

C # form LISTVIEW, 1 using System; 2 using System. collections. generic; 3 using System. componentModel; 4 using System. data; 5 using System. drawing; 6 using System. linq; 7 using System. text; 8 using System. threading. tasks; 9 using System.