winforms datagridview auto generated columns (serial number) in c#

What would be the purpose behind an auto increment serial number?

dataGridView1.Rows[e.RowIndex].Cells[0].Value = e.RowIndex + 1;😉

Works for me... thanks a lot brow

why i only hear you in right ear its weeeeeird xd

Thank you sir...... What if i start to 1.1.1

Bro please stop trying to speak like a foreign guy...

hello mr. may i know what is e stand for?