Generally, the solution for small files is to directly read the file on the server and then output the file. This avoids the exposure of the file address. This is a solution. What I want to talk about now is to use the TransmitFile method to output files directly. However, I have not tested how powerful this method is to support large files and how much performance overhead it will bring, if you are interested, you can test it and make comments.Now, let's go to the topic. Generally, for the
Generally, the solution for small files is to directly read the file on the server and then output the file. This avoids the exposure of the file address. This is a solution. What I want to talk about now is to use the TransmitFile method to output files directly. However, I have not tested how powerful this method is to support large files and how much performance overhead it will bring, if you are interested, you can test it and make comments.
Now, let's go to the topic. Generally, for the
The following to achieve this function is to use asp.net based on the data content to automatically generate a TXT text file and provide users to download, this method file does not exist on the server, directly provided to the user to download, to the online search, are used Response.BinaryWrite (), with a few, Found that there is a problem in IE, look at the page source code data is out, Firefox is a pop-
The recent project needs to upload to FTP files, select Commons net. The FTP tool class in Commons NET package can help us to easily ftp file upload/download. One of the most important classes is the FtpClient class, which provides a number of FTP-related
methods, such as links, logins, uploads, downloads, and logoff.
FTP operation of the process is generally con
Download the. NET Framework toolSDK Command PromptAssembly Linker (al.exe)ASP. NET compilation tool (aspnet_compiler.exe)ASP. NET browser registration tool (aspnet_regbrowsers.exe)ASP. net iis registration tool (aspnet_regiis.exe)ASP. ne
Favorites: ASP. NET provides the file download function (supports large files, resume, speed limit, and small resource usage) (from: arhrun)// Output the hard disk file for download
// Input parameter _ Request: page. request object, _ response: page. response object, _ filename: Download file name, _ fullpath:
Introduction to FTP
Dedicated to file upload, download, more efficient
Common FTP servers under Windows: Serve-u, IIS FTP, FileZilla server (free, open source). Learn to use FileZilla Server (after decompression to run again).
Common FTP clients under Windows: Windows built-in (command line Ftp.exe, Resource Manager), CuteFTP (billing), FlashFXp, FileZilla FTP client. Someone with a computer explorer problem, you can use FileZilla FTP Client.
experience is not good, click on the download after the jump page, download is still going back or what. So I didn't use it that way.Let's talk about the method I use, more ingenious. is to first add a hidden a tag to the page, hide it, assign a value to the href of a when getting to the file path, and then trigger the Click event on the a tag.id= "DP" href= "" style= "Display:none;" > ID= "fp">span>a
Problem Description:Using the command yum-y install Docker installed on the CENTOS7 system, when downloading the image is very slow, the last mirror download failed, and reported "Net/http:tls Handshake Timeout" error:[[emailprotected] ~]# Docker run-d--restart=unless-stopped-p 8080:8080-p 9345:9345 rancher/server:stable-- Db-host 10.0.0.101--db-port 3306--db-user rancher--db-pass rancher--db-name rancher--
Visual studio.net is a widely used programming tool, with numerous features and skills. After each version is released, new skills have emerged. Hey, if you don't know some of vs. Net's quick usage methods, you may not be able to appreciate the pleasure that this tool brings to you :)
Visual Studio. NET tips and tricks describes how to use vs. Net efficiently.ArticleOrganizations are also very interesting.
First there is an HTML page, the page has a link, click the link pop-up file download/save (similar to Thunder download link)DOCTYPE HTML>HTML>Head>Metahttp-equiv= "Content-type"content= "text/html; charset=utf-8"/> title>File downloadtitle> MetaCharSet= "Utf-8" />Head>Body> this way not, 1: If the access is similar to the text browser can process the file, it is the way the browser opens the displ
The intern company has never done any web-related projects, but is afraid of missing web-related knowledge. If there is no time, it will flip through the previous projects, record some functions to facilitate future queries.
In some projects, you may need to upload images in batches. It is not enough to upload images in a light environment. You need to describe the images. net, if you use controls to implement this function, you will be miserable. D
never comes into contact with the original English version, therefore, his information is certainly slower to accept than others, which is virtually far behind. I suggest that if you have learned English as a foreign language, you must read the original English version or photocopy teaching materials. Besides, msdn is mostly in English, isn't it? The University has to pass level 4 and Level 6, and there are many courses. Therefore, we need to combine the two in order to spend less time and lear
error, if any. Response.Write ("Error:" + ex.) Message); } finally {if (IStream! = null) {//close the file . Istream.close (); } response.end (); } } }}A few notes about this code:1. Divide the data into smaller parts and then move it to the output stream for download to get the data.2. Specify Response.ContentType according to the file type you downloaded. (refer to this URL for Oschi
. Net implements batch file download
The program implementation principle is relatively simple, mainly using the c # webclient class and filestream class. The c # webclient class is in the system.net namespace.
The main function is to send data to the resource identified by the uri and receive data from the resource identified by the uri. We use the downloadfile () method
String FilePath = Context. Server.MapPath ("~/" + uploadfolder+ "/" +file_name);//pathSystem.IO.FileInfo FileInfo = new System.IO.FileInfo (filePath);if (fileinfo.exists = = True){Download a file as a stream of charactersFileStream fs = new FileStream (filePath, filemode.open);byte[] bytes = new Byte[(int) fs. Length];Fs. Read (bytes, 0, Bytes. Length);Fs. Close ();Response.ContentType = "application/octet-stream";Notifies the browser to
Problem Description: A text file is generated in the background and is provided to the user for download by hyperlink. Click the hyperlink, download Excel file is no problem, but the text file will be opened directly, instead of pop-up download window.Workaround: Change the hyperlink to LinkButton, and in the Click event, write the text file with the file stream.
The original Published time: 2009-11-19--from my Baidu article [imported by moving tools]automatically download files from the website . NET to save the site image to a local simple example:This example is to save the Baidu Alliance this logo to the root directory, when the implementation of the program, you refresh the root directory, you can see the logo has been automatically downloaded to the local, and
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