void LoadData() { //IdItem = "3"; ColorData(); cbbGroupItem.DataSource = _groupItem.GetDataGroupItem(); cbbGroupItem.DisplayMember = "NAMEGROUP"; cbbGroupItem.ValueMember = "ID"; cbbUnit.DataSource = _unit.GetDataUnit(); cbbUnit.DisplayMember = "NAME"; cbbUnit.ValueMember = "ID"; if (IdItem != null) { DataTable item = _item.GetListItemFull_ToIdItem(IdItem); //Lay du lieu day du cua mot mat hang DataTable temp = _item.GetListContentItem_toId(IdItem); //Lay chi tiet cua mat hang do for (int i = 0; i < temp.Rows.Count; i++) { string id = temp.Rows[i][0].ToString(); string name = temp.Rows[i][1].ToString(); string unit = temp.Rows[i][2].ToString(); string number = temp.Rows[i][3].ToString(); string[] row = new string[] { id, name, unit, number }; dgv_ContentItem.Rows.Add(row); } txtID.Text = item.Rows[0][1].ToString(); txtName.Text = item.Rows[0][4].ToString(); txtPriceOut.Text = item.Rows[0][6].ToString(); txtRose.Text = item.Rows[0][8].ToString(); txtRoseRate.Text = item.Rows[0][9].ToString(); cbbGroupItem.Text = item.Rows[0][0].ToString(); cbbUnit.Text = item.Rows[0][5].ToString(); } else { txtID.Text = (int.Parse(_item.CountIdItem()) + 1).ToString(); } }