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Open word document in read only mode using asp.net c#

Posted on 2007-12-04
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Last Modified: 2008-02-01
Does anyone have any sample code opening a word document using word automation in c# and asp.net.  I found examples of creating new documents, but no examples of opening existing documents in read only mode.

Thanks...
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Question by:michael1174
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Daniel Junges earned 250 total points
ID: 20402626
private Word.ApplicationClass WordApp = new Word.ApplicationClass();

object fileName = myFileName;
object readOnly = true;

object isVisible = true;
object missing = System.Reflection.Missing.Value;
WordApp.Visible = true;

Word.Document aDoc = WordApp.Documents.Open(ref fileName, ref missing,ref readOnly, ref missing, ref missing, ref missing, ref missing, ref missing, ref missing, ref missing, ref missing, ref isVisible);

aDoc.Activate();
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Expert Comment

by:Daniel Junges
ID: 20402635
other nice sample you can find here: http://www.codeproject.com/KB/aspnet/wordapplication.aspx
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Author Comment

by:michael1174
ID: 20402667
junges, I get the following error;

The type or namespace name 'Word' could not be found (are you missing a using directive or an assembly reference?)

I added the microsoft office com library to my reference list... do I need to add a using reference line?

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Expert Comment

by:stevemarshall
ID: 20402811
You could just change the file that you are opening to be read only using the

File.SetAttributes( YourFilePath, FileAttributes.ReadOnly );

method.
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Author Comment

by:michael1174
ID: 20402843
stevemarshall, what reference do I need to specify to use File?

so, I could technically do something like this:

File.SetAttributes( "file://uncpath/" + e.Item.Cells[1].Text + e.Item.Cells[3].Text + ".doc", FileAttributes.ReadOnly );

Response.Write("<script>window.open('file://uncpath/" + e.Item.Cells[1].Text + e.Item.Cells[3].Text + ".doc')</script>");
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Expert Comment

by:Daniel Junges
ID: 20402864
dont forget to add the references.

if you are using Word2003 then use this namespace Microsoft.Office.Interop.Word
and the open function muss have 16 parameters. just add "ref missing" for the others.
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Author Comment

by:michael1174
ID: 20402884
junges, i'm stuck on word 97 right now.. haha, but I was able to add the word object reference, the only thing now is i get a problem with the path I am specifiying... what would be the correct unc path name?

the error I get:
The document name or path is not valid. Try one or more of the following:

my unc path:

//server001/vol1/SHARDATA/Admiral Forms/doument.doc

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Expert Comment

by:stevemarshall
ID: 20402896
It's in the System.IO namespace, and I think you just need to have the System.dll referenced.
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Author Comment

by:michael1174
ID: 20403038
can someone help me correctly define my document path...

object fileName = "\\server\vol1\SHARDATA\" + e.Item.Cells[1].Text + e.Item.Cells[3].Text + ".doc";

I keep getting:

; expected

and

Newline in constant


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Expert Comment

by:stevemarshall
ID: 20403177
The '\' character is the escape character, you should either use \\ i.e. escape the escape character or prefix the string with a @ symbol.

So your code above would become:

object fileName = @"\\server\vol1\SHARDATA\" + e.Item.Cells[1].Text + e.Item.Cells[3].Text + ".doc";
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Author Comment

by:michael1174
ID: 20403595
thanks steve.. still getting the

The document name or path is not valid.

I've tried these two... and when I step through the code, fileName is correct, and I can access it through windows explorer

object fileName = @"\\server\vol1\SHARDATA\ADMIRAL\Admiral Forms\" + e.Item.Cells[1].Text + e.Item.Cells[3].Text + ".doc";

object fileName = "\\\server\\vol1\\SHARDATA\\ADMIRAL\\Admiral Forms\\" + e.Item.Cells[1].Text + e.Item.Cells[3].Text + ".doc";


 Here is all my code:
Word.ApplicationClass WordApp = new Word.ApplicationClass();
 
object fileName = @"\\server\vol1\SHARDATA\ADMIRAL\Admiral Forms\" + e.Item.Cells[1].Text + e.Item.Cells[3].Text + ".doc";
			
object fileName = "\\\server\\vol1\\SHARDATA\\ADMIRAL\\Admiral Forms\\" + e.Item.Cells[1].Text + e.Item.Cells[3].Text + ".doc";
 
object readOnly = true;
object isVisible = true;
object missing = System.Reflection.Missing.Value;
WordApp.Visible = true;
 
Word.Document aDoc = WordApp.Documents.Open(ref fileName, ref missing,ref readOnly, ref missing, ref missing, ref missing, ref missing, ref missing, ref missing, ref missing);
 
aDoc.Activate();

Open in new window

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Expert Comment

by:stevemarshall
ID: 20403869
Just comparing your code to mine, firstly I create a FileInfo object then use the FullName property rather than creating a path by hand.

Secondly I use Type.Missing rather than System.Reflection.Missing.Value.

To check that your path is valid you could use:

File.Exists( fileName.ToString() );

It returns a boolean and at least then you will know if it's a problem with your unc path or with Word automation.
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Author Comment

by:michael1174
ID: 20404053
steve,
when I do a:

? fileName.ToString()
@"\\server\vol1\SHARDATA\ADMIRAL\Admiral Forms\AI00121.doc"

I copy and past inbetween the quotes into my windows explorer, and I open the file, no problem.. but I used you code as you suggested below and it skipped it.


			if (File.Exists(fileName.ToString()))
			{
				Word.Document oWordDoc = WordApp.Documents.Open(ref fileName, ref missing,ref readOnly, ref missing, ref missing, ref missing, ref missing, ref missing, ref missing, ref missing); 
				oWordDoc.Activate();
			}

Open in new window

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Assisted Solution

by:stevemarshall
stevemarshall earned 250 total points
ID: 20404735
This is a permissions problem.

Open your web.config and make sure that you have the line

<identity impersonate="true"/>

You should also check that the permission that is configured for anonymous access in IIS is set to a user who has access to the share.

It'll be worth reading up on the pitfalls surrounding impersonation before you do this in a live environment.

http://msdn2.microsoft.com/en-us/library/aa719560(VS.71).aspx  - might be a good place to start.
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