Http File Download With IIS 7?
Sep 22, 2010
I'm having a virtual directory that holds videos of format MP4. My problem is that i'm not able to access some of the "mp4" file via http. But i can browse and play the file through the shared folder not via http. I added the MIME extension for MP4 also. Please find the event log as belowLogFaulting application w3wp.exe, version 7.0.6002.18005, time stamp 0x49e023cf, faulting module MSVCR80.dll, version 8.0.50727.4016, time stamp 0x49cc5361, exception code 0xc000000d, fault offset 0x00004e12, process id 0x2edc, application start time 0x01cb598243012abd.Also in fiddler i'm getting the log as ReadResponse() failed: The server did not return a response for this request.
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Jul 8, 2010
I'm just trying to sent a .wav file to Internet Explorer with an ASP.net Handler:
public void ProcessRequest(HttpContext context)
{
HttpResponse response = context.Response;
response.ContentType = "audio/x-wav";
response.WriteFile("MyWav.wav");
response.AddHeader("Content-Length", "304578");
response.Flush();
}
This works for Firefox and Chrome but I'm just presented with a blank screen in Internet Explorer. Why?(I've tried setting the "Content-Disposition" header. If I set it to "attachment" I am presented with the download dialog. If I set it to "inline", I just get a blank page like before.
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Mar 28, 2013
On my page load, I need to download a file say http://example.com/file.csv or https://example.com/file.csv to some location on my web server without prompting save as dialog box. Means it will be a download in background from some server to my server. How to do this?
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Jun 9, 2010
I've a question about something I'm searching for,for too long! We've build an application from which an admin upload songs into a database. Then user can bought songs and download it individualy. The problem is that when user download MP3 songs with the code below, it works great in Firefox and Chrome but not in IE8 simply because WMP trying to open the songs and it just don't get it instead of having a "Save as" dialog? Any issue on HOW can i force to have the "Save As" diaglog? Note that I have not MP3 physicaly on server it's in database. So I can't direct link to song ...
Here's my code :
// Remove "specials chars"
foreach (char aChar in @"/:*?""<>| ") {
if (aChar == ' ') {
songNameAndExt = songNameAndExt.Replace(' ', '_');
} else {
songNameAndExt = songNameAndExt.Replace(aChar.ToString(), string.Empty);
}
}
Response.Clear();
Response.ClearHeaders();
Response.ClearContent();
HttpContext.Current.Response.ContentType = "application/octet-stream";
HttpContext.Current.Response.Headers.Add("Content-Disposition", string.Format("filename={0}", songNameAndExt));
HttpContext.Current.Response.OutputStream.Write(songData, 0, songLength);
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Jan 4, 2010
i am using amazon s3 service. now i want to show download dialog box in my asp.net application when user come on download page. i am using amazon sdk.
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Oct 13, 2010
I'm about to submit my pad file to multiple sharware sites but the pad file has to have a direct link to the download file and can't link to a download page which is what I would like to do, so I can track the traffic and get the downloader's email before allowing the download. I am running an ASP.NET site in VB. Is there a way to tell the web app to redirect to a specific aspx page when it receives a request for a specific file?
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Jun 10, 2013
I have added linkbutton inside gridview to download, below is my code..
protected void lnkDownload_Click(object sender, EventArgs e)
{
try
{
[Code].....
its giving me following error
"Unable to evaluate expression because the code is optimized or a native frame is on top of the call stack"
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Sep 2, 2013
I need to download a .mp3 file from a folder. during download a new blank page should open and after downloading it should close automatically.
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Nov 28, 2010
When I have a HttpHandler class in C#/ASP.NET mapped to a file extension in IIS any file with that extension fails to download/display in web browsers (it's downloaded as a 0-byte file in some browsers and nothing at all in other browsers). After removing the application mapping for the HttpHandler in IIS so it doesn't call the IHttpHandler class in C#, the web browser downloads the file successfully.
This was tested with an IHttpHandler class in C# that has an empty ProcessRequest method.
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Dec 10, 2010
i m creating asp.net Mobile website page to download symbian .sis file to mobile ,but its not geting download properly.its working perfectly on desktop.
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Jul 26, 2010
I am downloading file from database using the following code. This code downloads an excel file from the database which has a macro attached to it when it is opened. This macro reads file name of the excel file and uses it for its computation. Everthing works file if user saves the file on his harddisk and then open if but if he directly opens the file from the dialog(by hitting 'Open' button) then file name of the opened excel file comes out be the name of the webform that has the above code and this leads to error in the macro. Is there any option through which i can control the name of the file if user directly opens the file from dialog or the option to disable or remove 'Open' button form the dialog?
[Code]....
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Nov 16, 2010
In our application, we allow user to upload documents which can be PDF, Doc, XLS, TXT. Uploaded documents will be saved on web server. We need to display link for each document user uploaded and when user click on that link, it should open relevant document. it is expected to have required software to open relevant documents.
To upload document, we use saveAs method of FileUpload control and it works absolutely fine.Now, how to view it?I believe, i need to copy/download file to local user machine and need to open it using Process.Start.For that i need to find user local temp directory. if i put path.GetTempPath(), it gives me web server directory and copy file there.
File.Copy(
sPath + dataReader["url"].ToString(),
Path.GetTempPath() + dataReader["url"].ToString(),
true);
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Mar 26, 2011
This below code i have used in my aspx page for file download.
Response.AppendHeader("content-disposition", "attachment; filename="" + emailAttachment.FileName + "";");
Response.ContentType = "application/octet-stream";
Response.OutputStream.Write(emailAttachment.Data, 0, emailAttachment.Data.Length);
Response.End();
This block of code display Download file Dialog for Open or Save the attached file.It's working fine in Mozila Firefox and IE8 but doesn't display Download file Dialog box in IE 7
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Jan 14, 2013
I have made an application where I am displaying the .pdf , .doc , .docx files. These files are uploading from an Admin Panel.When user place a mouse pointer on download icon provided in front of every file, it shows the complete path where it’s get saved.I want to avoid this path visibility even when user place mouse on download icon and even if it Inspect an element (as most modern browser will have this functionality).
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Feb 1, 2011
I have a simple 'file download' generic handler which sets the response contenttype and headers before sending the file through the same response.
I also have Response.Cache.SetCacheability(HttpCacheability.server) set in the global.asax.
As I have noticed from various sources, Internet Explorer doesn't like this no-cache setting and gives an error when trying to download the file (requested site unavailable or cannot be found).
I thought maybe I could override this setting in the .ashx page, so I alter the response's cacheability setting to public. This did not solve the issue. removing the line from global.asax does solve the problem but obviously affects the whole site.
Is there a way of setting the cachability just for my generic handler?
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Dec 30, 2010
In an ASP.NET WebForms 2.0 site we are encountering an intermittent bug in IE6 whereby a file download attempt results in the contents of the being shown directly in the browser as text, rather than the file save dialog being displayed. Our application allows the user to download both PDF and CSV files. The code we're using is:
HttpResponse response = HttpContext.Current.Response;
response.Clear();
response.AddHeader("Content-Disposition", "attachment;filename="theFilename.pdf"");
response.ContentType = "application/pdf";
response.BinaryWrite(MethodThatReturnsFileContents());
response.End();
This is called from the code-behind click event handler of a button server control. Where are we going wrong with this approach? Edit Following James' answer to this posting, the code I'm using now looks like this:
HttpResponse response = HttpContext.Current.Response;
response.ClearHeaders();
// Setting cache to NoCache was recommended, but doing so results in a security
// warning in IE6
//response.Cache.SetCacheability(HttpCacheability.NoCache);
response.AppendHeader("Content-Disposition", "attachment; filename="theFilename.pdf"");
response.ContentType = "application/pdf";
response.BinaryWrite(MethodThatReturnsFileContents());
response.Flush();
response.End();
However, I don't believe that any of the changes made will fix the issue.
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Sep 13, 2010
I'm trying to force a large (200+ MB) file to download that's on a remote server. The problem is that I can't use the "WriteFile()" function, since I'm not using a virtual path. Then, when I try:
Response.AppendHeader("content-disposition",
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Mar 25, 2010
I have a full working web site that i ported to a new hosting company. In some pages i have links to PDF on the server (they do exist!) On the old server no problem. On the new one when user clicks on the link : error 404 file does not exist.. Should i look in the web.config ? i don't know where to start
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Jul 25, 2013
I need to retrieve and save a word document from a xml document ... I can retrieve name, phone number that and all .but i do no how download and save a word document from xml database .
<?xml version="1.0" encoding="utf-8"?>
<registeration>
<Date>
</Date>
<Name>
</Name>
<Qualification>
[Code] ....
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Apr 4, 2011
I had a download task in my project, which inserts files and downloads these files. I did my table in database and have a column which has the path of file and folder in project which will have the files. I did this well and my files insert well in folder and path in database. But I could not download these files from folder with the ID of path from database
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Nov 15, 2010
I am writing an ASP.NET web application.
I calculate the total size of my PDF file which is mentioned below. What does this return? When I download a 2KB file, it returns a size of 2KB, which is correct. But when I download 2 files each of size 2KB, then the total size it returns is 2.16KB. Is that correct? Should it return 4KB?
[code]....
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Mar 31, 2011
I am using the code below which I have found on one of the forums to download a file in remote server. it seems it is working. However, the downloaded file is corrupted and I cannot unzip.
[code]....
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Mar 18, 2011
I am currently using a component in which I need to load a path to a file.
Now my plan was originally to just use the URL to the file since they are hosted on the web, but sadly this component can only load file saved down locally.
So now I am thinking before I can load the file in this component I need to save down the file first,
So how would I go about this in .net
1) Call URL
2) Save down the file to a local folder
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Aug 25, 2010
Related to my previous question on this matter, where the file was not being produced, the file returned by the following code is now empty. My controller action is declared as follows, then has a body that generates CSV lines from records for export. The CSV generation works.
[Authorize(Order = 0, Roles = "Requester,Controller,Installer")]
public FileStreamResult ExportJobCards()
In the following code that should return a populated CSV file, lines is of type List<string> and has 126 items. sw.BaseStream has the value 770048 for both its Length and Position properties. A zero byte file is returned to the browser, however.
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Oct 20, 2010
I have a asp.net application in which i am downloading Excel files that are saved as BLOB in SQL database. These files use their file name in the Workbook_Open method to fill in some cells in the sheet to create templates. I am able to download file with the correct file name if i click 'Save' in the file download dialog and then open the file. This create one extra step for the user....Is there any way by which i can click 'Open' button in the file download dialog and it gives the correct filename to the downloaded file instead of the name of the .aspx page that i am using in downloading?Here is my code
[Code]....
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