how to open a file which is being used by someone else in another machine

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Hi...
My task is to generate Word documents. By selecting the appropriate options, we can generate a document. I have the base documents in the server, and if I click generate, then the document will be generated and we can save it on our local drive.

If I am using the portal now and, at the same time, if some one is using it in their machine at the same time, then the document is not getting generated. Its automatically getting posted back.

I want to show a progress bar or something like that, so that the person waits until the document is completely generated.

Is this possible using threads?
Please Help with codes,

Thanks in advance,
Anusha

Posted 2-Oct-12 19:06pm

Anusha Sridhar

Updated 2-Oct-12 19:57pm

v2

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Anusha Sridhar · Answer 1 · 2012-10-02T20:40:00

C#

public void UpdateTOC(string file1, string file2)
        {
            using (var mainDoc = WordprocessingDocument.Open(file1, false))
            using (var resultDoc = WordprocessingDocument.Create(file2, WordprocessingDocumentType.Document))
            {
                // copy parts from source document to new document
                foreach (var part in mainDoc.Parts) resultDoc.AddPart(part.OpenXmlPart, part.RelationshipId);
                // perform replacements in resultDoc.MainDocumentPart   // ... }
            }

        }

This is the code I am using.. File1 is the base document which will be in the server and file2 will be the document that will be generated.. both the documents have unique names..

Sarrrva · Answer 2 · 2012-10-02T20:08:00

Solution 2

hi Anusha,

You cannot do this unless the other entity which has the file open allows for shared reads.

for more ref:

http://stackoverflow.com/questions/897796/how-do-i-open-an-already-opened-file-with-a-net-streamreader[^]

regards
sarva

Posted 2-Oct-12 20:08pm

Sarrrva

Updated 2-Oct-12 20:11pm

v2

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Sarrrva 3-Oct-12 2:14am

Another one thread,

http://bytes.com/topic/c-sharp/answers/236171-reading-file-already-open-another-process

Regards
sarva

Anusha Sridhar 3-Oct-12 2:17am

Hi Sarva,
Thanks for the link..
But I already tried the FileShare method and its not working..
Is it possible to do with theread.. Any idea about that?
Thanku. :)

Sarrrva 3-Oct-12 2:31am

can you show me some sample?
regards
sarva

Sarrrva 3-Oct-12 3:15am

you can try with thread mechanism,

Process.Start() & Process.WaitForExit()& Process.End,
Monitor.TryEnter, lock, using, and Deadlock
regards
sarva

_Amy · Answer 3 · 2012-10-02T20:07:00

Solution 1

If file is being used by other process then you need to kill the process first before using the file. You need to see How to kill a process[^].

For some process, you'll require admin privileges to kill it. You'll have to take care of that also.

--Amit

Posted 2-Oct-12 20:07pm

_Amy

Comments

Anusha Sridhar 3-Oct-12 2:24am

Hi Amit.. I don want to kill the other process..I want to wait till the other process completes. Because many people will be accessing the portal to generate the documents. I think killing wont be a good idea..
Thabks for the response. :)

_Amy 3-Oct-12 2:37am

Then put your code inside try{}...catch(){} block. If any IO exception comes then show the message to user that "File is used by another application, try again later".

how to open a file which is being used by someone else in another machine

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