❔ How to read an unordered Excel file with dynamic row and column values,

eg: like 80 columns take any particular six columns in the six columns take Second-row values saved as in database column ,and remaining rows of the six columns will stored in another table in same data base in one column using ASP.net core mvc(aspose.cells) api : ado.net .? can anyone help this out I got stuck with this plz let me known ASAP !!!!!!!!