private void LoadTacGia() { gvTacGia.DataSource = null; gvTacGia.DataSource = TacGiaBUS.LoadTacGia(); gvTacGia.Columns[0].HeaderText = "ID tác giả"; gvTacGia.Columns[1].HeaderText = "Tên tác giả"; gvTacGia.Columns[1].Width = 150; AddDataBinding(); }