Generation of random numbers (ASP. NET, C #)

Random class namespace:System. ObjectSystem. Random A pseudo-random number generator, a device that can generate digital sequences that meet certain random statistical requirements. Remarks A pseudo-random number is selected from a finite

How does Asp.net use cookies?

C #: Method 1:Response. Cookies ["username"]. value = "gjy ";Response. Cookies ["username"]. expires = datetime. Now. adddays (1 ); Method 2:System. Web. httpcookie newcookie = new httpcookie ("username ");Newcookie. value = "gjy ";Newcookie.

ASP. NET: system. badimageformatexception: an attempt was made to load a program with an incorrect

These message as blow: Server Error in '/webservice' application.-------------------------------------------------------------------------------- Cocould not load file or assembly '*******' or one of its Dependencies. An attempt was made to load

Asp.net jmail email sending code

To send an email with Jamil, you must download the Jamil software and install it before using it. Then copy Jamil. DLL to the bin directory to add references. Using system;Using system. Data;Using system. Data. sqlclient;Using system.

Several Methods for passing values between ASP. NET pages

using querystring using querysting to pass values between pages is a very old mechanism. The main advantage of this method is that it is very simple to implement, however, its disadvantage is that the passed value is displayed on the address bar of

[ASP. NET] two methods to Restrict File Upload types)

Generally, to prevent users from uploading harmful files (such as Trojans and hackers ),Program. This article will introduce how to use the built-in properties of Web Control in ASP. NET Applications to easily and efficiently limit the upload file

Upload large files in Asp.net

Upload large files directly in Asp.net. Method 1: Add Method 2: Modify the IIS configuration file windows> system32> inetsrv> metabase. xml Method 3: 1.Httphandler or httpmodule A.InAsp.netProcess ProcessingRequestIntercepted before

Converting dynamic pages to static pages in ASP. NET

Because of the differences between the search engine's ASPX page indexing and HTML page indexing rates and the problems with page resource usage, we often need to implement dynamic and static conversion of aspx pages. There are also many people on

ASP Web page anti-SQL Injection code

  Reference content is as follows:Dim fy_url, fy_a, fy_x, fy_cs (), fy_cl, fy_ts, fy_zx'--- Define partial headers ------Fy_cl = 1' Processing Method: 1 = prompt message, 2 = redirect page, 3 = Prompt before redirectFy_zx = "index. asp"

Performance Improvement Solution for Asp.net applications

for a website, performance is always a hot topic. How many performance indicators are there? 1: execution time the time required to process a request, generally, the time between the first byte and the last byte is returned to the client by

ASP. NET determines whether a user is online

Protected void application_start (Object sender, eventargs E){Application ["user_sessions"] = 0;}Protected void session_start (Object sender, eventargs E){Application. Lock ();Application ["user_sessions"] = (INT) application ["user_sessions"] +

ASP. NET operating mechanism

1 HTTP Request For example, let's take a look at what an HTTP request is. For a simple example, you can click a hyperlink on a web page. "MicrosoftProgramIf the link address is a http://www.frontfree.net/view/article_840.html, the browser will

Learning ASP. net mvc 1.0 and 2.0 from scratch

Found several articlesArticleRefer: (I) the beginning of the article http://www.cnblogs.com/zhangziqiu/archive/2009/02/27/ASPNET-MVC-1.html (2) identify the routing component http://www.cnblogs.com/zhangziqiu/archive/2009/02/28/ASPNET-MVC-2.html

How to Prevent leeching download from Asp.net

Sometimes, when you directly copy a file like http: // 193.100.100.56/testwebsolution/webapplication1/test.raraddress to download the file test.rar on the internet, you are notified that you have not logged on or directly jumped to another page,

Rewrite URL (1): IIS and ASP. NET

I think this topic has been abused. URL rewrite has been accepted by developers.ArticleThere were also endless possibilities, but I was always confused, so I finally could not help writing this series of articles. These articles will not talk about

ASP. NET timeout settings

1. Connection timeout for IIS> [website]> Properties>. The default value is 120 seconds.2. manually add httpruntime to Web. config, as shown in figure3. You must set the timeout attribute when executing the WebService synchronously, as shown in

How to disable database connection when using sqldatareader in Asp.net

This article explains how to use sqldatareader to close the database connection: For example, you can encapsulate all database operations into a class, but sqldatareader can only close the database when reading is complete, so that the library

HTTP processing and application customization in ASP. NET httpmodule

Httphandler implements functions similar to ISAPI extention. It processes request information and sends response ). The httphandler function is implemented through the ihttphandler interface. Httpmodule implements functions similar to ISAPI filter.

Implementation of Automatic paging of Long Content in asp.net-. NET tutorial

When an article is too long, you can automatically write a small program to paging it.Code: Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->1 using System; 2 using System. Data; 3 using System.

When asp.net is used as a system, the classic top and right Iframe

Unconsciously, I have been working for a year and a half. The first company has stayed for three months. The first company has stayed for now and has made a lot of systems. I found that I still like to use Iframe when working on the system, and it

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