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This will set the Content-Type header totextType header to text/csv and the Content-Dispositionheader toinlineDisposition header to inline;filename=this_is_CSV.csv meaning that the browser is told that the response is a CSV file and to handle accordingly.
For Content-Disposition, GetData will substitute a value of ##auto## with the value of the ds parameter ds parameter in the request (i.e. the DataSource name).
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