Ravi,

Sorry I can't help you there. I just thought it looked cool from Matt's link.

On Wed, Jun 20, 2012 at 2:31 AM, Matt Freeman <[email protected]> wrote:
> headers have to be set first as you wont be buffering the whole response.
>
> On 20 June 2012 13:24, ravi prakash <[email protected]> wrote:
>>
>> Hi Andrew,
>>
>>  Thanks for your quick response. I tried your first option.
>>  Say, i have data from database in array called results,
>>
>>  for(var i = 0; i < results.length; i++) {
>>
>>       body = '';
>>       body =  results[i]+'\n';
>>       res.write(body);
>>  }
>>  res.setHeader('Content-disposition', 'attachment;
>> filename='sample.csv');
>>  res.setHeader('Content-type', 'text/csv');
>>  res.end('');
>>
>>  I want to write data in chunks since my array is very big. I used
>> res.write() for this. By doing this my response is written directly to
>> browser
>>  and file download option is not asked. How can i solve this?
>>
>>  -Ravi
>>
>>
>>
>>
>>
>>
>>
>>
>> On Jun 20, 10:40 am, Andrew Stone <[email protected]> wrote:
>>> Hi Ravi,
>>>
>>> Since you already have the csv content generated you just want to send
>>> it out with res.write() or res.end() depending upon whether you are
>>> writing it out in chunks or not (streaming).
>>>
>>> To get the CSV to be a downloadable file you need to add the
>>> 'content-type' and 'content-disposition' headers to your response:
>>>  res.header('content-type','text/csv');
>>>  res.header('content-disposition', 'attachment; filename=report.csv');
>>>
>>> For more complex stuff, ya-csv looks useful.
>>>
>>> -Andrew
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> On Wed, Jun 20, 2012 at 1:47 AM, Matthew Vickers <[email protected]> 
>>> wrote:
>>> > I have used ya-csv in the past, it works well for our basic usage.
>>>
>>> >https://github.com/koles/ya-csv
>>>
>>> > Matt
>>>
>>> > ----- "ravi prakash" <[email protected]> wrote:
>>>
>>> >> Hi group,
>>>
>>> >> How can i generate a excel/csv file from nodejs application. Say, I
>>> >> have a link in webpage and on click of link, i query database and put
>>> >> result into excel/csv file. Finally the file download  must be
>>> >> opened.
>>> >> I am building application using nodejs+express.
>>>
>>> >> My goal is to export data into a excel/csv file ie generate excel/csv
>>> >> file from my application.
>>>
>>> >> Say i have link in webpage -----
>>>
>>> >>       <a href='/report'>Export</a>
>>>
>>> >> Server side i have code ------
>>>
>>> >> app.get('/report', function(req, res) {
>>>
>>> >>    //get data from db
>>>
>>> >>    How to put data to csv/excel file ???
>>>
>>> >> }
>>>
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