I have a DataGridView and i want to build a string list from that...
I have tried many way wothout a good result.

I need to build this list of string and after that to make a single string to send it via e-mail

Code:
.....................
                Dim produs_extras As List(Of String) = New List(Of String)
                Dim nr_crt As Integer = 0

                For Each produs_row As DataGridViewRow In Me.dgv_detalii_comanda.Rows

                    produs_extras.Add(produs_row.Cells.Item(nr_crt).Value)
                    nr_crt = nr_crt + 1

                Next

                For Each produs_perforat As String In produs_extras

                    sursa = lista_produse.Replace(sursa, produs_perforat)

                Next
.......................
how can i solve that ?

Thanks in advice.