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pass byte array from C# to Javascript and convert that byte array to PDF and save it in client machine.

Posted on 2010-03-30
Medium Priority
Last Modified: 2012-06-27
1. I get blob data in C#.
2. I convert that blob data to byte[] array.
3. I want to pass that byte[] array to javascript.
4. I want the javascript to write that byte array as PDF in client machine.

If the above can be done, Please let me know how i can code the 3 and 4th steps.
Question by:salinigayathri
1 Comment
LVL 15

Accepted Solution

crisco96 earned 2000 total points
ID: 29122323
JavaScript can't just save a file to a client machine otherwise that would open the door to all kinds of hacking such as writing a virus to a user just for going to a website.

An alternative way to give the user a pdf (but not writing it directly to their computer) is with the code below
//set the conttent type of the file to be downloaded
System.Web.HttpContext.Current.Response.ContentType = "application/pdf";

//add the response headers
System.Web.HttpContext.Current.Response.AddHeader("content-disposition", "attachment; filename=\"somepdf.pdf");

//add the contents of the result set to the response stream

//end the http response

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