Question: how to export data from datagridview to csv in vb.net?
Answer: 'Build the CSV file data as a Comma separated string. Dim csv As String = String.Empty. 'Add the Header row for CSV file. ...  csv += column.HeaderText & ","c. 'Add new line. ...  'Adding the Rows. ...  For Each cell As DataGridViewCell In row.Cells. ...  csv += cell.Value.ToString().Replace(",", ";") & ","c. csv += vbCr & vbLf.