return File get error in api?

Question

What I want is to download a excel from a api

but I get

PK Æ $Vb eO Gâ
XB ¶*¡ .mÿù~ ù|ÿXo'? LÙQPrYÕR`0d]h ¹YÜÊífý æ È Y ì ã @6 z + ÊKCÉk.ÇÔBÔ¦×-ª®o íwÈÃN±³J¦ ]Jñô ñ nj gð Ìè1ð / ¥Y§ YÉi WJý3Q_ R)à4fuI N Á¢]ÄTæ ;Ì¿"Kæ¡\gÐ1Î ®.I2cfòó ï̬éú|Óßû

such code .

return File(ms.ToArray(), "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", DateTime.Now.ToString("yyyyMMddHHmmss") + ".xlsx");  

I am using ajax post to the api.
I can not download the file why?

Answer 1

Hi @mc

Please try adding responseType in the ajax request. The value of responseType can be arraybuffer, or blob. Code like:

$.ajax({  
    url: url,  
    method: 'POST',  
    xhrFields: { responseType: 'arraybuffer'}  
})  

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Best Regards,
Jason