Unreadable content in Excel file generated with EPPlus

Question

I\'m having a little problem when I generate an Excel file from a template, using the EPPlus library. The file has a first spreadsheet that contains data that is used for po

Answer 1

I spent about 4 hours solving this issue, As my problem & solution are not in the post, I am writing it for any future visitor,

My problem was caused by duplicate columns in excel sheet. After adding space to one column, the problem solved. The interesting part is, The error never came when i generated pivot table through MS excel, it only came when I used epplus to generate pivot table in excel file. Making the bug harder to find