private void button1_Click(object sender, EventArgs e) { foreach (CDCDS.CDC_BRANDSRow riga in _DS.CDC_BRANDS.Rows) { if (riga.RowState == DataRowState.Added || riga.RowState == DataRowState.Modified) { riga.UTENTE = Contesto.Utente.FULLNAMEUSER; riga.DATARIFERIMENTO = DateTime.Now; } } CDCBLL bll = new CDCBLL(); bll.SalvaDatiBrands(_DS); _DS.AcceptChanges(); _DS.CDC_BRANDS.Clear(); bll.CaricaBrands(_DS); DataTable listBrands = _DS.CDC_BRANDS.Clone(); listBrands = _DS.CDC_BRANDS.Copy(); DataGridViewComboBoxColumn comboCol = (DataGridViewComboBoxColumn)dgvEnti.Columns["BRAND"]; comboCol.DataSource = listBrands; }