C # has been developed for more than 5 years, the language has a certain degree of understanding. I think the "C # 4.0 Plot" is a good book, and I've been sorting out some concepts recently. There is something in this book that is not normally
1"Add a DataTable DataSet.Tables.Add (DataTable) instance to the DataSet: DataSet DS=NewDataSet (); DataTable Table=NewDataTable ("Student Table"); Ds. Tables.add (table);2"Reading a DataTable DataTable from a DataSet=dataset.tables[0] or
What is the extension method for a classExtension methods enable you to "add" methods to an existing type without creating a new derived type, recompiling, or otherwise modifying the original type.MsdnExtension methods enable you to ' add ' methods
1. Initializer: className variableName = new ClassName (property1=value1 ...);2.var can declare a variable of no type, change the data type according to the difference of the assignment3. Anonymous method, if a class with less, you can omit the
C # example of calling the Exe program,
When writing a program, you will often use calling executable programs. This article will briefly introduce how C # Calls exe. In C #, Process operations are performed through the Process class. The Process
Spring. Net learning notes (3)-create object, spring.net learning notesI. Development Environment
Compiler: VS2013
. Net version:. net framework4.5Ii. Assembly
Spring. Core. dll: 1.3
Common. LoggingIii. Development Process 1. Project
[C # advanced series] 14 enumeration types and bits,
In fact, this chapter only describes the enumeration type, because the bit flag can be used as a Special Enumeration type.
Enumeration type
Enumeration is a good way to eliminate magic numbers,
Auttribute, xmalauttribute1 X: Class
It indicates that the XAML compiler combines the compilation result of The XAML label with the class specified in the background code. It can only be used for the root node and the class with the same name needs
The thread is disabled correctly. Recommendation..., thread close recommendation
When I was working on a project recently, I was confused by multiple threads, and my mind was almost broken down. One problem was found during single-step debugging.
C # basic syntax Learning (2 ),
1. Object-oriented thinking has several important features: Abstraction action, Encapsulation, Inheritance, and Polymorphism ).Abstraction is to filter the nature and behavior of things in complex real life, select
C # basic syntax Learning (1 ),
1. the C # constant data type can only be the original data type: int, bool, char, double, string, etc.
2. Access modifiers are used in C # To describe the accessibility of variables. The values can be private,
Async and await analysis and asyncawait Analysis
To understand the usage of async and await, first of all, we need to understand the knowledge of tasks, which is not described here, because this is not the focus of this article.
If you are familiar
Go deep into the small car rental system framework of. NET and C,
Before writing this small system, we should guess what knowledge points might be used.
For this small system, we mainly use the following knowledge:
Encapsulation, set (ArrayList and
C # Get the image suffix,
This is also a very simple function, so it is not necessary to open a blog. For a photo that knows the full path, if its path contains a suffix, you only need a line of code to get the Suffix:
1
var ext = System.
Use C # To Read The EXIF information of a photo (jpg image,
Introduction: EXIF, which is an English Exchangeable Image File{}# Endregion # region data conversion structure/// Summary>/// Convert the Data Structure/// Summary>Public struct
Flexible discount policies based on the NXBRE rule engine, flexible discounts for nxbre rules
Developed by the inference engine, the rule engine is a component embedded in an application that isolates business decisions from application code, use
Magcodes. WeiChat -- customize CustomCreationConverter to serialize custom menus. magicodes. weichat
The custom menu interface is a troublesome interface. Developers often see the following section of the returned JSON, And the whole person will
. Net reflection access private variables and private methods,. net Variables
The following is the practice code:
1 using System; 2 using System. collections. generic; 3 using System. componentModel; 4 using System. linq; 5 using System. reflection;
[C # advanced series] 02 generate, package, deploy, and manage applications and types-the Hello world,
Okay, this image is still the same as Hello world.
In this chapter, many of them are about command line compilation and configuration items of
Public Account Payment and development issues
1. An error occurred while calling the unified order interface.
Https://pay.weixin.qq.com/wiki/doc/api/app.php? Chapter = 9_1
The parameter is entered in string Format at the beginning. An error is
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