How to import data from specified excel file into windows forms c#?

Question

excel

On the Internet, I only find how to display a table with a file selection on a computer, but how can I make the table already displayed when opening the form?

Answer 1

Open a file
open a page
Call the length of columns
Call the length of rows
create a nested loop
inside it read cell values
​​apparently enter it into a dataset, or just enter data into it right in place
Moreover, all libraries act exactly like this

Answer 2

COM