Foreach loop in datagrid

Question

Hello, I need to select  n-1 rows from datagrid and my code is:

 

foreach (DataGridViewRow row in dataGridView1.Rows)

{

foreach (DataGridViewCell cell in row.Cells)

{

pdfTable.AddCell(cell.Value.ToString());

}

}

 

from where I should change to select all rows except last row..

 

Thanks in Advance.