Output labelled values to excel file

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C++

MS-Excel

Hi all,

In my program, I output values an .csv file. Now I output the calculated values without any labels: i.e;

In function:-

CString function(double const& val1, double const& val2, double const& val1) 
{
CString str1, str2, str3; 
//Do some calculations and append the values to the strings

return  str1 +  _T("\n") + str2 +  _T("\n") + str3;
}

This gives me the output like:
$101
220m
330m
But I want to out put this with labels in 2 columns:

Id | $101
distance1 | 220m
Distance2 | 330m

(I have used "|" only to replicate a column..)

If I output heading along with values,i.e;

CString heading1 = _T("Id:") ;
return heading1 + str1 + _T("\n")...................

The output is obviously :" Id: $101"
Both are in a single column and is considered to be one string. How can I display them in 2 columns, in a comma separated values(.csv) file?