NET Forums June 05, NET Forums. Manjeera June 06, NET Hi, I need to open the file in a new window, show the open save cancel dialog box and then close the window when the user chooses an option. Is there any way to do That. Manoj June 13, NET Hi, is there any handle for dialouge box? In our application we want to perform certain operation based on user action on file dialouge box. CSV file we want to delete the downloaded records. If user clicks on Cancel button we don't want to perform any DB operation.
Rick Strahl June 13, There's no way that I know of to manage this because the download process on hte client because of security issues. What you can do if you're dealing with CSV files is use AJAX to load the data into the browser as a string, parse it and deal with it there then get rid of the data, but this obviously only works with text data and only if you can actually parse this data on the client.
D-ko June 20, NET Great article - very useful - but in Firefox, the save dialog opens, and it saves the file but without a file extension!
It works great in IE. Any suggestions on how to fix this? June 21, June 22, Sandy June 28, NET Rick, Great thread. I am trying to save an excel file. And it works fine with Response. TransmitFile randomFileName ; Response.
Flush ;. Rick Strahl June 28, NET You can send back anything you want but the browsers only understand a single file return. There's no way to tell the browser that multiple files are returned.
If you need to return multiple files you should zip them and send the compound Zip file back to the client instead. NET Yeah, I guess so. But it didn't work. I guess when the page is doing a postback, it stops execution of the javascript. I have another dirty workaround if popups are allowed.
Open say 5 popups. And onload of each of them, download a file. Of course the user has the irritating duty of clicking on save for each of them. David Bell June 29, It may be a long shot but is there anyway I can capture the file location the user chooses from the save dialog box? ScottGu's Blog July 04, May 22nd Links: ASP.
NET 2. Abhay Khanwalkar July 04, NET Hi, In one of my application. Iam trying to dowload the file. I want to display a message on the borwser saying 'Download complete'. But since I change the content type for file download the message doesn't appear on the browser.
Is there a way to show the messge on the browser once the download is complete. Rick Strahl July 04, NET Abhay - that's a common scenario for downloads and you can't do this with a straight page because you obviously can return only one response. There are ways to do this with client script though. You can perform the upload in an IFrame as a separate link and have the main page in the meantime display a 'Working' dialog which gets updated on completion.
July 04, Ved Prakash July 05, NET Oops!! It works!!! Abhay Khanwalkar July 05, NET I did the same thing, used Iframe to download the file. Anyway,Thanks a lot. NET Forums July 05, Opening the files in an modless window. Khyati July 06, NET How to open the downloaded file in a new window instead of same browser window? Rick Strahl July 06, NET Use a Target tag in your link or form that fires the download. LarryW July 06, NET Rick, Great post. I am trying to use this in an UpdatePanel and can't find anyway of getting it to work.
It seems as though the use of Response. Write has been banned from UpdatePanels. Any chance you can give me a fix for the problem? NET UpdatePanel does not support file uploads due to the multi-part file encoding etc. If you want do uploads of files 'independently' of the page, stick the file upload component into an IFRAME and process that separately. NET hi, this is a good post which is very helpful but i have a problem, on click of a button i have to save an excel file directly on server without showing a dialog box.
Also i want to zip multiple file and directly save them on server without giving a dialog box. That way page will post back, but download will work. Hope this helps. DD July 11, I wish to perform a silent download of the file in the background without any under interaction. Any help would be appreciated. Rick Strahl July 11, NET No you cant do that. Huge security risk. You can download and show directly in the browser, a file download dialog or an AJAX type call but you can't write directly to disk.
NET Forums July 12, How can I download a file - ASP. Craig July 13, NET Great Rick! How about opening the file in a new window?
What would the syntax be for that? I'm calling a fileviewerBL which calls the fileviewerDL to get the file info. ClearContent Response. ClearHeaders Response. AddHeader "Content-Length" , b. ToString Response. BinaryWrite b Response. Flush Response. NET Update: We were able to solve our issue by setting a couple of session variables and using the registerclientscriptblock.
Very sweet! Micheal Roger July 17, NET Hi everyone, I am new to this file upload and download, and I am running into a serious issue here. My code uploads the file properly, however, when I want to download the file, it seems to be downloading the same file over and over. It's really frustrating! I went through my code thoroughly but I can certainly use a fresh pair of eyes.
Here's my code: this code uploads and downloads the file. Please guys respond as soon as you get the opportunity, Thank you. GetFileName fileUpload. GetExtension fileUpload.
ConnectionStrings "BudgetConnectionString". FileName myCommand. Text myCommand. Length As Byte fileUpload. Read imageBytes, 0, imageBytes. Length myCommand.
AddWithValue " attachment", imageBytes myConnection. Open myCommand. ExecuteNonQuery myConnection. ExecuteReader If myReader. Read Then Response. Close myConnection. Close End Using End Sub. Confused July 24, I have the code in the "SelectedIndexChange" event of a gridview object. The code works the first time you click a link, but then no links or buttons or anything work on the page until I do a refresh F5.
Any thoughts? Clear ; Response. Name ; Response. AppendHeader "Content-Length", fi. ToString ; Response. TransmitFile fi. FullName ; Response. Flush ; Response. End ;. Rick Strahl July 24, IE caches content type information and so if you have pages that return different content types for the same page don't work right because IE misinterprets the content type of the actual data.
Jeff Yates July 26, Very clear. I tried running this on my local server and works fine. As soon as I put this up onto our live server the result is completely different. Try again later" Quite honestly I've spent hours on this and getting nowhere, brain is jelly!
I might guess that opening a new page may work but what is the syntax for that? Any help much appreciated!! Code: Response. Clear Response. SetCacheability HttpCacheability. NoCache Response. Write str. TransmitFile Server. David E July 30, One question though, i am programming a 'download' button, so when a user clicks i want that the 'save as' page will pop directly, i. Thanks again David. Rick Strahl July 31, NET David - that can't be done and for good reason. It'd be a huge security risk if files just started saving themselves automatically from the server.
Jeff - I'd guess the problem is that you're writing a file out to disk and probably don't have permissions to do that. There's no reason for you to write to file first anyway. Just use Response. Write or Response. BinaryWrite to output your file content and it'll probably work. Lic August 02, NET Jeff - i had same problem and found solution. Add "Response. ClearHeaders " to your code before Response. NET Hi I have seen a lot of comments and useful talk here..
Transmit and Response. If there is Resume Support then there are no multiple connections and.. Clear HttpContext. ClearHeaders HttpContext.
SubString Range. Name HttpContext. Kelly August 04, NET What if the image I want the user to download is an image dynamically generated by an HttpHandler and available only through it's Url? Furthermore, the image is unique to each user's context i. I don't think WebRequest. Create will work to grab a response. I don't know how to get a stream representing this handler's output. Rick Strahl August 04, If you link such an image from your page you can force it to download by maybe passing query string parameters to it that trigger the alternate return result.
NET Wow, very nice, Rick! Can I buy you a beer? Definately overlooked solution on my end. I appreciate the reply. Thanks for all your work. Nehal August 05, Rick Strahl August 06, NET No you can't change the way the dialog looks. The dialog is controlled by the browser.
Sree August 06, I want the download to happen without showing the download dialog. I am setting the Content-Disposition to inline. Nothing comes in the screen. A blank screen comes. If i change the inline to attachment, it works by showiung the save dialog. I am using IE7. End ; IN IE6, this works by showing the save dialog.
Any idea how to show the file without the save dialog Pls let me know Sree. Abrahams August 08, NET Is there a way of getting the ie7 information bar not to come up when one is streaming the file out via a download. Cristi August 20, NET Hi, I am having trouble with Office files getting corrupted when downloaded using this method.
When I try to open the downloaded file, I am getting an error: "Excel found unreadable content in Workbook". Any of you guys having trouble using this approach to download Office files? Thanks, Cristi. NET Never mind, I found the issue. Thanks Rick for these kind of posts, they are very useful. NET Hi.. I have a web application ASP. The web page has a button called Export.
When the user clicks the Export button, the File Download pops up, in which it has the Open,Save and Cancel Butons as in a normal file download pop-up. Being an xml file, the page also opens up,without the content behind the File download pop-up, When the user clicks Cancel button, the file download pop up is gone, but the xml page without the contents is still open.
This also happens when the user has successfully downloaded the xml file Xml page is open Is it possible to close the xml page after the user clicks the cancel button and after the user saves the xml file? Please help.. Nice August 27, NET when I am trying to save an image,it is always saving the aspx page.. The problem is with the save as option.. Can u help me? This is what I am trying to do Response. Write "imgpath" 'Response. Write imgpath Response.
MapPath imgpath Response. End The imgpath variable holds the path of the image.. This path is stored in database.. Rick Strahl August 27, NET You don't want the path - you want just the filename. The browser can't make sense out of the path and certainly won't apply it. The filename is provided only for the dialog. Rob August 27, NET I am trying to "automatically" save a file. The following opens a PDF in the browser.
I don't want the user to be prompted; I just want the PDF to automatically save. Is there a way to programmatically save the file? Suppose the code below was in a page called generatefile. A process on the server could call generatefile. Since no one is directly working on the server, no one would be able to click save on the box. I could remove the mime association for the PDF and retie the file type to a custom application to intercept PDF file types, but my custom application wouldn't know how to interpret the xml since only Adobe would know how to generate the PDF.
Here is the code in ASP and then below in C. Write responseString ; Response. Jerry Tovar August 29, NET Rick, This solves my problem and works great. But it only works on my Dev PC. In my production environment, Win2k running network load balancing with 2 web servers, this does not work. MapPath lcMyfilePath ; Response. Rick Strahl August 29, NET TransmitFile requires the file you're downloading is in path of the virtual path structure.
If it's outside you have to stream the file. Preeti Mathur August 29, I had written a code which downloads the file, in the best of manner, now the problem i face is a bit different.
After the download is completed, i want to redirect the user to some other page, but it is not possible as we stated Response. End ; I wanted to know, how to accomplish this task? Jerry Tovar August 30, TransmitFile to work in our production webfarm.
I can display the images fine in my ASP. Net webform. But the button on this webform that performs the TransmitFile still causes a the message "Server Application Unavailable".
I even tried hard coding the file name to download into the TransmitFile function, but this didn't help. Below are two examples, should these two examples work?
Adam September 04, Files can be downloaded fine but I need to write to a Database after the user saves a file but dont want to write to it if they click cancel and dont actually save the file. Basically something like: Response. AddHeader "content-disposition", "inline; file1. Erik September 07, NET I'm having a really weird issue using this method. Anyone have any ideas? My app allows users to attach documents and images to various things they're working with. The attachments are displayed in a listbox, user chooses one, and clicks View which runs javascript to pop up my AttachmentViewer.
It's a blank page, here's the applicable code for the page: Response. ContentType Response. BinaryWrite Attachment. Concat Request. NET Answering my own question. Still not sure of the underlying cause, but I changed the javascript from code behind RegisterStartupScript to putting it directly on the button. And that fixed it.
Apparently some IE security feature. Simit kulkarni September 08, My downloading code in C is Response. BinaryWrite fileData ; Response. End ; where fileData is binary array. On my page , I showed fileNames in hyperlink or linkbutton. Now whenever User clicks on them , that file Downloads. Now problem is that , after downloading, say Open or Save or Cancel operation , if I click any other button without refreshing my Page, same Dialog box Pops up, Suppressing Functionality of that button.
Any take, why this is happening? Simit Kulkarni September 10, NET Hi, Problem posted by me , is occurring because of my foolish mistake. What I did, is that I kept some hidden variables and set values to it , on any FileName to identify whether it is Folder So that I can show Folder's explored view. I checked this hidden field on each PageLoad , whether it has any value or not. Now Why i did this , rather than handling onClick event on ServerSide is long story. I need to do it due to dynamic generation of controls.
So , on any next Postback , About said checking always yields true, Same functionality of Showing download popup box executes. Now , I cleared that hidden field on each Postback in javascript , other than above said Click. Sanjoy Das September 11, I want to download this with VB.
How is it possible? Jack September 14, I am using hyperlink control. On that i have given link of couple of document and i want that when link is click that document get open.
But right now that document is also downloadable. I dont want that some one can download my document. So can any one help me regarding this issue. Peter September 16, NET I'm new to all this. I have only used asp once in the 5 months that I've been fumbling around with the web. I would like to raise the open save dialog box when a link is clicked but I don't know how the "transmitFile" code is being used. Jayanth September 19, NET I have written code for open a file from repeater link.
The problem is Source code or HTML content is also appending with that file when we try to open the file. It is happening only for text file. Can any one please help me about this. Thanks, Jayanth. FixSQL e. CommandArgument Response. NET 7. NET I am trying this example with an xls file. The problem is that when I open the file before or after saving , all the actual file is appended inside a cell of the xls file in raw format.
JS September 26, I tried the solution proposed by Lic on August 4th, add Response. ClearHeaders before the Response. End , but it did not work. Try again later" When I add the Response. Here's my code: With Response.
WriteFile objTargetFile. FullName End With testBox. Simit Kulkarni October 09, Here is my Download code, in ASP. End ; Where fileData is binary Array and fileName is name of file. Now for "English" file name , there is no problem of encoding. But , when file Name is in "Japanese" , some encoding problem arises. I receive this fileName from database, which is in UTF-8 encoding. Even this Japanese fileName is displayed properly on screen, in a listing which shows fileName and their size.
For Screen , encoding is set to UTF To tackel this problem, I tried by setting Response. Pls can u help me? I Don't know how to set encoding in Response. AddHeader while showing fileName. There are two main methods to delete crdownload file. These methods are described as below:. Method 1: Google chrome creates a crdownload file when you begin downloading a file.
If you do not want to download the file anymore, you can cancel the download in Chrome. Google Chrome will automatically delete the associated. Method 2: You can also remove crdownload file from Downloads folder.
But when you try to delete a. See the below-mentioned screen shot to see the error message. When you try to rename crdownload file present in your Downloads folder then you find an error to rename this file because it opens in Google Chrome.
To remove this error closed that file from Google Chrome. After that, you can rename crdownload file without facing any error. And there are many other benefits. This is an online audio sharing platform that allows users to share their sound with everyone.
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