UPDATED:

Fixing the database upload file size limit

http://opensourcecmsinfo.com/how-to-solve-no-data-was-received-to-import-either-no-file-name-was-submitted-or-the-file-size-exceeded-the-maximum-size-permitted-by-your-php-configuration-see-faq-1-16/

3)Open C:\xampp\php\php.ini file(xampp 1.7.7)
; Maximum allowed size for uploaded files.
; http://php.net/upload-max-filesize
upload_max_filesize = 2M

 

upload_max_filesize = 2M to u pload_max_filesize = 20M(your requirement)

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