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03.18.2008 at 09:47AM PDT, ID: 23250849
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Sending very large files through web services

Tags: C#
   I need to be able to send a very large file through web services. The problem im running into is that the maximum request length on a asp.net application is something around 2000000KB. But because of the XML overhead and the fact that a file is converted to Base64, the actual file size that i can send is only around 500MB. Because of this i am not able to send a file of any size. Plus if sending a large file the client application usually times out waiting for the request when sending a file thats more then a few MB's. I know i am able to change this behavior, but i would still like to be able to send a file thats more then 500MB's.
   I found some articles basically showing how to chunk the data into parts and send over web services as parts. This might work, however i am writing my application in C#, and the person thats going to be sending me files works at a different company and is writing the sending piece in Java. Because of this it would be very hard to specify the protocol of which to send.
Does anyone have any other ideas on how i can send any sized file over web services from a client application to a web server?
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Question Stats
Zone: Microsoft
Question Asked By: Livanta
Solution Provided By: Mezillinu
Participating Experts: 3
Solution Grade: B
Views: 133
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03.19.2008 at 04:37PM PDT, ID: 21166975

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03.19.2008 at 05:03PM PDT, ID: 21167103

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03.26.2008 at 02:31PM PDT, ID: 21216414

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04.08.2008 at 02:09PM PDT, ID: 21309635

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03.19.2008 at 04:37PM PDT, ID: 21166975
For large files, use FTP protocol! Either write your own client, or use any of the available custom controls.
 
03.19.2008 at 05:03PM PDT, ID: 21167103
Thats what i was considering as well, but its hard to manage. I was looking for ways to avoid that.
 
03.26.2008 at 02:31PM PDT, ID: 21216414
Hi,

I had the same issue and I was going to write my own client.  This would have taken a lot of time considering time is worth a lot of money these days, it is best to consider if there is another way of doing it before starting to do that.  Today there are a lot of FTP clients which are easy to use and to obtain and if you are having this issue, which I think you are it is best yes to use an FTP client. It it of no use to extend the web service to send large files, because if you are sending large files through it at some point you are going to make the server unavailable to other requests, you are going to margine down your bandwith and a lot of other un noticable things that will cost you even more and more!!!!

So it is best to yes use an FTP.

Hope this helps

cheers


Accepted Solution
 
04.08.2008 at 02:09PM PDT, ID: 21309635
yeah thanks, i guess there are no really good ideas for this. I ended up using web services but dividing the file into chunks.
When a user needs to send a file, they call a web method that returns a file ID. Then the user calls another method passing in the file id and the binary data. Then they call another method and that file is combined and sent.
 
 
04.29.2008 at 03:00AM PDT, ID: 21460809
Hi Livanta

I am having the same issue as you are facing. I want to send two large files to the web server and return the single file. Can you assist me by providing me the sample code you have used.

Ankur Bhargava
 
 
 
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