C#

Recently watched the beginning C # WEB applications Wtith Visual Studio. Net. I feel that this book is good in some detail, special notes, for the latter to provide some of the things that may be useful. Let's write it out today, and finish it up

Let me show you how to configure dependency injection in a JSON file today. In previous ASP. NET 4+ (Mvc,web api,owin,singalr, etc.), we provided a proprietary interface for use of third-party dependency injection components, for example, we used

A property can be a named member of a Class (class), struct (struct), interface (interface), and he provides a flexible mechanism to read, write, or compute the value of a private field, which can be considered a member of a public field. But he

An interface contains a definition of a set of related functions that a class or struct can implement, for example, using an interface to include behaviors from multiple sources in a class. Because the C # language does not support multiple

What is SQL injection? My understanding of SQL injection is that some people can use malicious parameters input, let the background execute this SQL, and then achieve the purpose of obtaining data or destroying the database!For a simple query

This article summarizes the interactive methods of. NET and JavaScript scripts and shares it for everyone's reference. Here's how: 1.asp.net Call JS Response.Write (""); In this case, you can call the function of the JS script in the page to 2. How

Character type of numeric type: Computer processing of information in addition to numbers, mainly characters, characters include numeric characters, English character, expression symbols, and so on; C # provides character types in accordance with

The example described in this paper is the method of using FileInfo class to implement copy file in C #, in which C # first creates a StreamWriter object writer, which appends text to the file represented by the FileInfo instance srcfile, FileInfo

Deep copy means that the source and copy objects are independent of each other, and any changes to the object do not affect the other object. For example, a person named Zhang San, later with his cloning (assuming the law allows) another person,

Q: What is C-style conversion? What are static_cast, dynamic_cast and reinterpret_cast? What's the difference? Why should you pay attention? A: The meaning of the conversion is to change the representation of a variable by changing its type to

1. Replace macro code with inline The C + + language supports function inline, which is designed to improve the efficiency (speed) of function execution. In C programs, you can use macro code to improve execution efficiency. The macro code itself

If the page is simple to use JS to create, to write a lot of code, and not intuitive. In ASP. NET, we can actually create a user-defined control that returns the HTML code of the user's custom control via an AJAX request. public static string

This article describes the C # implementation of the download page HTML source code method. Share it for everyone's reference. Here's how: public static class Download_html{private static int failcount = 0;//record number of failed downloads public

In the actual development process, or a third-party company to provide data table structure, and our system in the Entity class field does not correspond to, encountered so how do we deal with it? One might say that creating an entity object at the

Let's look at the following code: int tempi = 1; Object o = tempi; Double tempd = (double) o; Compile-time can pass, but the runtime reported the following error:System.InvalidCastException: The specified conversion is not valid.This is because,

Order Bo Master simple number of their own published asynchronous article, has been intermittent 8, this time I would like to take the return type of async as an example, to talk alone. An async method has three possible return types:task, Task,

First, the model configuration The case will use three models. The article category table and the article table are generated with the GII, and the last one is the search validation model. Where only the next linked table and search validation are

Objective C + + is a strongly typed language that must be explicitly identified when declaring a variable. However, in practice, it is difficult to infer the type of value of an expression, especially as the template type appears, making it more

C # Sort notes on knowledge, 　　This section briefly introduces some common attributes, as well as explanations and examples of some terms, which are not comprehensive and I hope readers can add more. 1. Overload: The function name is the same, and

Overview of XAF-BI.Dashboard modules web/win, bidashboard The Dashboard module introduces how to integrate the DevExpress Dashboard control in ASP. net xaf and WinForms applications. In fact, it is not just a control, but it uses the existing XAF