Ask: C # generates an Excel template from a template, the template can be edited, and the corresponding value can be added based on the index on the template

Hello everyone!
I probably like this, write a interface in C #, mainly the instrument communication and print reports, I am responsible for printing the report of the piece, I found some information on the Internet, there are several ways to generate, such as Nopi epplus〈 This is very simple, there are some reference programs,
My needs:
1. Find a way to generate reports, according to the Excel template, after reading the template in the corresponding place to import the corresponding program, I can now achieve the column coordinate corresponding to a way
2. To achieve the editable function of the report, 1 of the way requires a fixed mapping relationship, row and column coordinates, report editable refers to the user can insert a logo in the custom Excel template, while establishing a link with C #, such as voltage 〈〉, and then call the corresponding program implementation

Ask: C # generates an Excel template from a template, the template can be edited, and the corresponding value can be added based on the index on the template