//Tạo mã tiền án tiền sự
public string GenerateMaTienAnTienSu()
{
sotamtru = new SoTamTruBUS();
string last_ID = TrinhTaoMa.getLastID_MaTienAnTienSu();
return(TrinhTaoMa.TangMa9kytu(last_ID));
}
private void dGVTienAnTienSu_UserAddedRow(object sender, DataGridViewRowEventArgs e)
{
useradd(dGVTienAnTienSu);
int lastRow = dGVTienAnTienSu.Rows.Count - 2;
dGVTienAnTienSu[0, lastRow].Value = TrinhTaoMa.TangMa9kytu(TrinhTaoMa.getLastID_MaTienAnTienSu());
dGVTienAnTienSu[1, lastRow].Value = tbmadinhdanh.Text.ToString();
}