Method 1. CometHttp://www.xiumu.org/technology/the-php-notes-comet-long-connection-instance.shtml This article is very good, Ajax keeps a long connection with the server, The server blocks until there is a new message, that is, the server needs to
With the emergence and prevalence of Ajax technology, JavaScript scripts that are considered to be second-stream programming languages have also begun to become popular, and a large number of JavaScript frameworks have emerged, such as Microsoft Asp.
Catalog of this series Different links to the page if there are a lot of the same content, this phenomenon will be called "duplicate content", if a site is a lot of duplicate content, the search engine will think that the value of the site is not
Jquery works with. NET to achieve click to specify data binding and one-click Download, jquery.net
Recently, I encountered a problem in the training management system. I need to click the bound data to download the specified attachment and batch
ASP.NET-016: save file dialog box in ASP. NETI wanted to use savediallog in asp.net to save the file. The result showed that the displayed mode dialog box or form is invalid when the application is not running in UserInteractive mode.
Use the
A retriable solution that uses binary stream downloads is like a http://www.abc.com/down.apsx? For a connection such as fileid = 911199, the permission is determined on the down page, for example, whether the user has logged on, and whether the
This is a simple and practical Jquery + ajax request data is displayed in the asp.net program of the GridView. Let's take a look at how to display the ajax return value in asp.net data on the GridView.
This is a simple and practical asp tutorial for
1. Disable sessionIf you cannot use session tracing, disable it. You can set the following in each asp.net page:
EnableSessionState = "false" %>
Of course, you can design the mode Value to Off in the web. config application configuration settings.
2
What should I do if I want to maintain the connection between the server and the browser for a long time? Persistent connection technology is not a new technology. Using IFrame as a method to hide frames pointing to long request pages has already
The so-called "Network hard disk" means to provide the disk space of the server to users. Users can upload, download, and delete files and create and delete folders on the Internet. You can also share files over the Internet. The actual requirement
C # WebForm uses NPOI 2 to generate a simple wordfile (.docx ),
With NPOI, you can easily read and write Word and Excel files on the server. To perform read/write operations on Word, you must reference NPOI. OOXML. dll and apply the namespace XWPF.
The built-in download function of IE does not provide the resumable upload function. To implement the resumable upload function, you need to use several little-known HTTP Response Headers and request headers.1. Two necessary response headers: Accept-
Patch upfile. asp upload vulnerabilityFunctions related to ASP files. There are the following:1. Get the file extension.2. ASP File Upload Vulnerability Detection3. format the size of the displayed file.4. asp checks whether the uploaded image is a
[ASP. net mvc] Real-time HTML5 server send event (server-sent event), html5server-sent
If you have time recently, I plan to take a look at SignalR. By the way, let's take a look at Server Sent Events.
Controller
The output data format is data:
I. Request of the servletThe Web server creates a request object and a response object representing the response for each client HTTP request that is received, respectively. To get the data submitted by the client, you need to pass the request to
I have found a lot on the Internet, and most of the implementation methods are timer.
I personally think that the timer will create an illusion to a certain extent.
(For example, the timer has not finished page loading, or the page has not been
Using system;
Using system. Data;
Using system. configuration;
Using system. collections;
Using system. Web;
Using system. Web. Security;
Using system. Web. UI;
Using system. Web. UI. webcontrols;
Using system. Web. UI. webcontrols. webparts;
Using
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