C#

This article mainly for you in detail the WinForm OpenFileDialog Open the File dialog box related information, with a certain reference value, interested in small partners can refer to The OpenFileDialog class provides the ability for a user to

This article mainly introduces the ASP. NET MVC from the view to the controller of several forms, very good, with reference value, the need for friends can refer to the following 1. Passing arrays $ (function () { var value = ["C #", "JAVA", "

1, session expiration self-fixed lost. 2. When modifying the Web. config system, restarting the SESSION will be lost. 3, the bin directory changes when the system will restart the session will be lost(This change refers to the creation of new

Breakfast in the morning, sudden inspiration, combined with the eating of small dumplings and daily development experience for a layered application. First of all, talk about what is a three-tier architecture, the so-called three-tier development

The web has changed quite quickly over the last 20 years. More and more logic is moving from the server side to the client. Not only do you need to write more complex JavaScript code on the client, but in recent years something strange has happened:

This article introduces the use of enumerations in the development of ASP. Contains an enumeration of the values that display the enumeration and an example description of the two functions enumerated for the drop-down box binding. 1 Displays the

This article mainly introduces the ASP. NET database operation class, combined with instance form analysis of ASP. NET basic database additions and deletions to check the operation of packaging related skills, need a friend to The examples in this

Asp. NET site when publishing those pits, be careful, why the site after the first time each page opened is a card? How to solve the frequent loss of ASP. Have a certain reference value, interested in small partners can refer to Development tools:

This article is mainly for you in detail in the WPF button buttons simultaneously click on multiple triggering the click of the solution, with a certain reference value, interested in small partners can refer to To solve the WPF button buttons at

This article mainly introduces the method of using the Appsettings.json configuration file in the ASP. NET core Web, the detailed example code is given, the friend who needs can refer to the study, let's take a look at it. Objective Recently, after

Using System; Using System.Data; Using System.Data.SqlClient; namespace Sysclasslibrary {////DataAccess Summary description. data processing base class, call Mode: Dataaccess.dataset (String) sqlstr), or Dataaccess.dataset (string) sqlstr,ref

C # getting started with classic Chapter4 process control, 4.1 boolean logic Boolean comparison operator =! = <> = Boolean operators for processing boolean values ! & | ^ (Exclusive or) Conditional boolean operator & | Better performance than & and

[Reading Notes] C # advanced programming Chapter 1 transaction processing, (1) Introduction The main feature of a transaction is that the task is either completely completed or not completed.     (2) Overview Transactions are managed and coordinated

C # events, An event is based on a delegate and can provide a publish/subscribe mechanism for any delegate type.Use the event keyword to define a delegate type as an event.The following is an example of an event: // Event publishing class public

C # File Download (applicable to various browsers ), 1. cs code 1 public void DownFile (string filePath, string fileName) 2 {3 // filePath File path example:/File/record .xlsx 4 5 // fileName File name example: Record .xlsx (suffix required) 6

[Reading Notes] C # advanced programming Chapter 1 file and registry operations, (1) files and registries For file System operations, almost all related classes are in the System. IO namespace, and registry operations are handled by classes in the

Mina.net sorting, mina.net LZ has recently resigned and is idle. I plan to sort it out. The company is doing e-commerce, and the CTO intends to develop the 2.0 System in java. LZ does not plan to do java at present, so it chooses to leave the

StringBuilder,. NETStringBuilder in. NETWhy use StringBuilder? Why do we need to start with the features of the string object when using StringBuilder.When a string object is concatenated, a copy of the string object is copied for operation each

Integer processing methods, such as integer rounding and decimal retention Problem description: The background data type is decimal a, which must be an integer when displayed on the foreground page. My practice is Convert. ToInt32 (a). In this way,

The foundation is the top priority ~ Threadstaticquartz Back to directory ThreadStatic ThreadStatic is a feature in C #. It can make your field valid in a thread, but you cannot control when the field will be recycled, that is to say, if the field