fetch values to textbox from datagridview

Private Sub dgvitemsearch_KeyDown(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles dgvitemsearch.KeyDown
        If e.KeyCode = Keys.Enter And dgvitemsearch.CurrentCell.RowIndex >= 0 Then
          
            Dim row As DataGridViewRow
            row = Me.dgvitemsearch.Rows(dgvitemsearch.CurrentCell.RowIndex)

            txttaxcur.Text = row.Cells("tax").Value.ToString
            txtunit.Text = row.Cells("unitname").Value.ToString
            txtunitid.Text = row.Cells("unit").Value.ToString
            txticode.Text = row.Cells("icode").Value.ToString
            txtiname.Text = row.Cells("iname").Value.ToString
          

        End If
    End Sub