C#

LINQ (language-integrated query, language-integrated queries).LINQ to Objects, LINQ-to-SQL, LINQ to DataSet, and LINQ to XML, which query and process object data (such as collections), relational data (such as SQL Server databases, and so on),

There should be a lot of people looking for this information, to see what I do, maybe it will help you, I hope so. In order to achieve the rubber band technology, I used two ways:The first is to use the Controlpaint.drawreversibleline (point

You should know that in ASP. NET MVC, if you go through Ajax, you can return a JSON image, but you can't return the file directly (unless you refresh the page, it's not Ajax), so if you want to generate the file and download it with Ajax, That is,

First, Introduction in ASP. NET Core MVC, the file uploads the largest upload file by default to 20MB, if we want to upload some of the larger files, we do not know how to set up, without the Web. config How should we do? Second, set the upload

. NET MVC Connection data Local database three ways Configuration public class Homecontroller:controller {////GET:/home/public actionresult Index () {#re Gion Connect SQL function one

Keyboard Hook is an instruction that can monitor the operation of the keyboard, we go fishing as long as the fish hook no matter how it escaped, as long as the control of the hook on the rope can always find the fish, keyboard hooks is the use of

Spencer, author of this article, is a programmer who specializes in ASP. NET and C #, he cites most of the development tools used at work and at home, most of which are focused on development, and of course some other uses, such as chip processing,

Using system;using system.data;using system.configuration;using system.web;using system.web.security;using System.web.ui;using system.web.ui.webcontrols;using system.web.ui.webcontrols.webparts;using System.web.ui.htmlcontrols;using System.IO;

About C # C # is one of the few languages that reach the Microsoft Common Language Runtime (CLR). Achieving the CLR's language can benefit from the features it brings, such as cross-language integration, exception handling, security enhancements, a

[Reprint] usage of the as and is keywords in C,This article mainly introduces the usage of the as and is keywords in C #. For more information, see. Link: http://www.jb51.net/article/80944.htm#comments In a program, type conversion is common. C #

C # INI file operation [Source Code download ], This section describes how to read and write INI files. C # You can call the WritePrivateProfileString () and GetPrivateProfileString () functions in the [kernel32.dll] file to read and write INI files

C # Help class for writing text logs (multithreading supported) Release edition (not applicable to ASP. NET programs ), The automatic collection mechanism of iis does not apply to ASP. NET programs. Code:Using System; using System. collections.

Architecture understanding-favorites, architecture-favorites IOC mode: 1. IOC mode: An example of a player is used to describe what dependency, dependency inversion, control inversion (IOC), and finally implement dependency injection. IOC

C # Use StopWatch, When working on a project, you need to output the database operation time and write a method by yourself. When the boss saw it, he wondered why I didn't need it. To know the StopWatch class. Attribute   Name

How does Unity call the Native API and androidios in Android and iOS? This article describes how to call Native APIs in Android and iOS in unity. First, unity supports Calling C ++ dll in C #, so that C ++ interfaces can be provided in Android and

C # A small program that displays images at random positions in full screen mode, Idea: Use the screen as the background image of the program. In the displayed dialog box, select "OK" and display the scheduled image at random position. (The ESC key

[Crawler learning notes] C # DNS resolution module (semi-finished product) based on ARSoft. Tools. Net ), Recently, I am doing a crawler job. What I learned today is about the creation of the DNS resolution module. The library used is ARSoft.

LINQ: starts to use LINQ (4)-LINQ to query the type relation of the operation.Start to use LINQ (4)-the type Relationship of the LINQ query operation. The data source, query itself, and query execution are strongly-typed. The types of variables in

Data Operations So easy-LINQ parsing, soeasy-linq 1. What is LINQ? The abbreviation of Language Integrated Query is "Language Integrated Query. To provide a unified query method that spans various data sources, the proposed method mainly includes

SharpGL learning notes (2) model transformation, sharpgl learning notes (2) model transformation   Mode Transformation refers to three operations: Moving, rotating, and scaling in the world space coordinate system. First of all, in Opengl, we use a 4