Budget: 6000 UAH Deadline: 1 day
I suggest not to struggle with such an application.
I propose to switch to a professional standard solution for automation of accounting and management in the company, tested by hundreds of thousands of users, consider the option of the software "BAS MB" https://www.bas-soft.eu/soft/bas-mass/bas-small-business/
It has everything, including a very simple mechanism for uploading reference books and tabular parts of documents. We are engaged in the implementation of the BAS family software and are ready to help you when you decide to switch to the software "BAS MB" or "BAS UT".