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Here, number returns -1 as the .xlsx file currently have more than 1.5 lakhs records.
To execute this program I had also increases the heap size using the VM parameters to min 512 MB ans max to 1280 MB.
Please help me to out from this thing...
Thanks in advance.
I’ve looked at a lot of different solutions, and in my humble opinion Aspose is the way to go. Here’s the link: http://aspose.com