How to set cells' background?

Question

How to set the background of several cells within a row (or of a whole row) in OpenXml?

Having read several articles:

1. Coloring cells in excel sheet usi

Answer 1

You have 3 options:

1. Use MS lib ExcelDataReader which requires your server installing Office and usually does not work if your program is running in IIS.

2. Use closed source libs.

3. Use OpenXML.

Try my code using pure OpenXML: https://stackoverflow.com/a/59806422/6782249