private void LoadListChiTietHocPhi() { dgvChiTietHocPhi.DataSource = DataHandle.ListToDataTable(listChiTietHocPhi); dgvChiTietHocPhi.Columns[3].HeaderText = "Tên chi phí"; dgvChiTietHocPhi.Columns[4].HeaderText = "Số tiền"; dgvChiTietHocPhi.Columns[3].Width = 150; dgvChiTietHocPhi.Columns[4].Width = 100; string[] listProp = { "STT", "TenChiPhi", "SoTien" }; ControlFormat.DataGridViewFormat(dgvChiTietHocPhi, listProp); dgvChiTietHocPhi.ClearSelection(); }