java - Not getting size while downloading Excel from JSP file -

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i wanted download excel .jsp file in application. have added following lines jsp's:

<%@ page contenttype="application/vnd.ms-excel" %>    response.setheader("pragma", "no-cache");   response.setheader("cache-control", "no-cache");   response.setdateheader("expires", 0);

i able download but, in pages able see size while downloading , in not able to. want pages size.

can please me?


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