Web Forms :: How To Download A Large File With Resume Facility
Feb 8, 2010how to download a large file with resume facility in asp.net.
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Jan 24, 2016According to Link [URL] ....
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Web Forms :: Can't Download Large Files From Internally Written Site
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The user uploads a file and enters the receivers email address. The receiver can then click on the link which takes them to the retrieval section of the site.
The issue is although we currently have an upload limit of 100MB set within the web.config file "maxRequestLength=102400", when a user uploads a file of more than 60MB although the upload works and the file is copied to the server when the receiver tries to access it the page simply displays "Internet Explorer cannot display this page".
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View 1 RepliesDownload Of Large Files Slow When Content-length Specified (IIS7)?
Feb 4, 2010I have an asp.net web page to serve large file downloads to users.
The page is hosted on IIS7, Windows Server 2008.
The strange thing is that users can download at good speeds (2MB/s) when I don't add a content-length response header but as soon as I add this header, download speed drops to somewhere around 35kbps/s.
This is the code:
[code]...
Of course I can leave the content-length out but the user will not know how big the file is and how long the download will take...which is annoying.
Web Forms :: Controlling File Name Of The File Opened Directly From File Download Dialog?
Jul 26, 2010I 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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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"
Web Forms :: Can't Start File Download From Server Side Using .aspx File In IE7
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Web Forms :: Retrieve Large File From Database?
Sep 21, 2010I have a database table that works as a file repository. Currently there are binaries stored in there and I want to pull the "large" ones out in chunks. Some of these files are in excess of 500 MB. I have business rules that dictate if the file is >5MB to transmit in chunks. <5MB and I can load into memory and rip out. I got the uploading in chunks to work, but how do I get it to pull it out of the DB in chunks?
Right now I'm getting hit with a 'System.OutOfMemory' exception. But when I recreate the byte array of the SAME size (empty though) it doesn't break.
Download Chunks (DAL)
public byte[] getBytesByDataID(int chunkSize, string dataID) { string query = "SELECT data.data " +" FROM data " + " WHERE dataID = @dataID"; openConnection(); cmd = new SqlCommand(query, myConnection); cmd.Parameters.AddWithValue("@dataID", dataID);
[code]....
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Web Forms :: Large File Upload Error Message?
Apr 23, 2010I have standard asp.net file upload control on a page. If a user try to upload large file they get all the cryptic error messages like page not found etc.I dont want them to be able to upload large files, but still want to show gracefull error message saying that file is too large to upload or something like that. Is there any way to do that?
View 9 RepliesWeb Forms :: Upload Large Excel File - Use Multithreading?
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Oct 15, 2010I have problem in my asp.net application. I have some file in floder (PDF, .doc, ,txt ) i want to open these files in my web browser .
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The following code i have wriiten to open the file
[Code]....
Web Forms :: Error 400 With Large File When Using FileUpload Control
Apr 30, 2012There is a requirement like in a web page having FileUpload control and button. I need to upload excel records to sql database. If the excel file having less than 1000 records then it is executing fine and if the excel file having more than 1000 records then it's giving me the error message like bad request (error code: 400). As per my requirement need to upload minimum 4000 to 5000 records on button click. Some times it is working fine in IE browser but not all the times. In mozilla not at all working if records having more than 1000. How can i over come this issue.
View 1 RepliesWeb Forms :: Download File Using Path Stored In XML File
Jul 25, 2013I 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] ....
Read Large File Size Text File?
Jan 17, 2011I have a text file with tab as delimiter. There are about 20 fields in the text file and the file size is about 150MB-200MB.
I need to filter out each row in the textfile based on its field criteria, For Eg: the i should ignore the particular row if the Field A is empty.
I know that by reading out the text file row by row it will be certainly slow.
how to read out the text file fast and also how to do the file processing for the read out text file?
Web Forms :: Send A Large File To The Response Stream - OutofMemory?
May 20, 2010I'm using Filestream for read big file (> 500 MB) and I get the OutOfMemoryException. Any solutions about it?? I want this in my app asp.net: Read DATA from Oracle Uncompress file using FileStream and BZip2 Read file uncompressed and send it to asp.net page for download. When I read file from disk, Fails !!! and get OutOfMemory. My Code is:
using (var fs3 = new FileStream(filePath2, FileMode.Open, FileAccess.Read))
{
byte[] b2 = ReadFully(fs3, 1024);
}
// [URL]
public static byte[] ReadFully(Stream stream, int initialLength)
{
// If we've been passed an unhelpful initial length, just
// use 32K.
if (initialLength < 1)
{
initialLength = 32768;
}
byte[] buffer = new byte[initialLength];
int read = 0;
int chunk;
while ((chunk = stream.Read(buffer, read, buffer.Length - read)) > 0)
{
read += chunk;
// If we've reached the end of our buffer, check to see if there's
// any more information
if (read == buffer.Length)
{
int nextByte = stream.ReadByte();
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if (nextByte == -1)............................
Creating Mobile Website Page To Download Symbian .sis File To Mobile Unable To Download Properly
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View 2 RepliesForms Data Controls :: Populate Gridview From A Large Text File?
Jan 26, 2011I have a very large text file whose data I need to extract and display in a gridview control. The method I'm using now is as follow:
1. Read each line of the textfile using StreamReader, into a String.
2. Split the String and populate the fields of a detail object.
3. Add the detail object to a List.
4. Repeat steps 1 to 3 for each row of the text file.
5. Bind the list to the gridview.
I think most of the time is spent processing the text file data (steps 1, 2 & 3).
Is there any way this can be done quicker and more efficiently? At present, it takes ages to read and process a 76 mb text file.