Good Afternoon and Happy Friday!
I have created an ASP.Net page that takes any amount
of rtf
documents and combines them into one. The rtf
documents are chosen by the
client from a list, and the list contains about 33 rtf
documents. I don't
use automation or anything like that just simply open
the file and transfer
all but the first 101 characters(which is the rtf
header) and the last '}'.
It seems to work just fine until all 33 are selected
then I get 'Out of
Memory' errors and IIS crashes. The average file size
for the rtf is 18meg.
I see IIS go from the normal 50meg all the way up to
510megs, then it
crashes. I venture to say it could be because garbage
collection hasn't
started actually releasing the now closed files from
memory. I AM setting my
file and stream readers to null when im done.
My solution that I am playing around with is
this:
Build a webservice(not true 'service' per say, dll
in IIS)
that listens for a request
from the website. The Website passes in an
Object[] that
contains all the information it needs to combine the
documents.
The webservice takes care of opening and writing to
the
final document with all selected rtf files included.
The website waits until the Webservice sets the
'Complete'
to true. Then shows the Complete page.
The reason for this solution was that maybe a Windows
type
application will utilize the memory better than an
ASP.Net app would.
I was also thinking of maybe using a Windows type App
like this
because I could then use the RTF Control in Windows
and open and modify the
Rtf files from there, this way I don't have to loop
through the whole file
and possibly making it faster.
Does it sound like a viable solution? I cant use
Automation because,
as well all are aware, Word is a memory hog and each
time someone access the
page it opens an instance of Word. Not to mention they
don't want to install
Word in the server. There are going to be at least 20
people creating these
documents at any given time.
Any help or advice would be greatly appreciated.
Steve
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