private void button1_Click_1(object sender, EventArgs e) { dataGridViewMuon.Rows.Clear(); sach.LoadSach(dataGridViewMuon); foreach (DataGridViewRow row in dataGridViewMuon.Rows) { row.HeaderCell.Value = (row.Index + 1).ToString(); } }
private void LoadSach() { gvSach.DataSource = null; gvSach.DataSource = SachBUS.LoadSach(); AddDataBinding(); }