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Last post Nov 18, PM by Dino I need some help with allowing client to download a file from the server. Runng ASP. Net 2. Net Framework 2. Do I need to add the line "Response. Flush " in this code block? I know that it will send all buffered content to the client. Is "Response. Clear Response. TransmitFile Server.
MapPath thePath ' Response. Flush Response. Flush is called by the Response. End method so it is not explicitly required. Finding answers to questions like this can be aided by the use of Reflector. It's one of my highly recommended downloads.
Clear HttpContext. Based on my understanding, you want to download the file to client from server using Response objects. If I have misunderstood you, please feel free to let me know. In this case Response. We can customize the file name that is displayed in the File Download dialog box. Attachment - forces download, inline - forces the browser to open the content inline if possible.
By continuing to browse this site, you agree to this use. Learn more. Client download and Response. Print Share Twitter Facebook Email. Also, do you have any suggestions for improving this code block? End I appeciate your input and Thanks! Re: Client download and Response. It's working without "attachment;" What does "attachment;" do for the Response. Thanks much! Thomas Sun — I hope this helps.
Many Thanks! End ; When OutFile. Dino None. I do not have any control over the file naming.
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If providing file downloads, it is important to buffer stream the file to the user to manage the server memory. If many users start downloading your files together and you are not buffering the file, then the whole will be held in memory multiple times thus causing memory exhaustion. Buffering means only a few bytes of each downloading file is held in memory at once. NET 2. This method takes out a load of code that we used to have to code whenever we wanted to provide a file to the customer for download. It streams the file to the user and handles the buffering of the file. Look at the following simple code.
File Downloads from ASP.NET
I used to use the Response. Write method, but recently came across the Response. TransmitFile method. This method directly writes the file to the HTTP response stream without saving the file to memory on the server, thus saving server memory especially for big files. Then, it will flush the response to the browser, and stops execution of the page. This dialog box typically lets the user either open, save, or cancel the file.