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

This article mainly introduces the method of ASP. NET MVC to export Word report, it has a good reference value, below the small series to see it together Recently to do MVC Export Word Report feature. Check the data found a good plug-in is

This article mainly describes the use of the default MVC routing configuration in ASP., small series feel very good, and now share to everyone, but also for everyone to make a reference. Let's take a look at it with a little knitting. The route

C # set ), A set that contains non-repeating elements is called "set )".. NET Framework contains two sets: HashSet and SortedSet . Both of them implement the ISet interface. The HashSet set contains an unordered list of non-repeating elements.

Use ASP. Net MVC to connect MySQL and Code First, mvcmysql First, prepare the tool as the Environment MySQL Community Server 5.7.x My Workbench 6.3 VS2017 Create a project, NetMySQLCodeFirst Select MVC, and then select no user

C # linked list of a set, The linked list is a two-way linked list. Its elements point to the elements before and after it. In this way, by moving to the next element, You can forward the traversal chain table, and move to the previous element to

C # Set queue, A queue is a set of elements processed in FIFO mode.The Queue is implemented by using the wildcard class Queue in the System. Collections. Generic namespace . Internally, the Queue class uses arrays of the T type, which is similar to

C # stack of collection, Stack is a very similar container to queue, But Stack is a post-in-first-out (LIFO) container.The stack uses the Push () method to add elements to the stack, and uses the Pop () method to obtain the most recently added

C # list of sets, . NET Framework provides a List of generic classes for the dynamic List . This class implements the IList, ICollection, IEnumerable, IList , ICollection , and IEnumerable interfaces.1. Create a listCreate a racing driver class,

C # extension method, There is no such thing in java. Once a class is final, this class can no longer be added to the method, but C # can do this, you can add a new method to the sealed class, I prefer c. This is the extension method in C. So

C # inverter, In many. net books have seen the concept of inverter and collaborative change, and I also searched for some explanations about these two concepts on the Internet, but I have been feeling like I understand them, until recently I

[. NET] Quick notes on Objective C,Quick notes in Objective C #-Dynamic Programming in C # Static and Dynamic types have their own advantages. Static types allow the compiler to help you identify more errors, because the compiler can perform most of

Async await Task, asyncawaittask I. Use Task Reference namespace Using System. Threading. Tasks; 1. Factory method Task. Factory. StartNew () => {Console. WriteLine ("Hello Task library! ");}); 2. instance mode Task task = new Task () =>

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