private void btsua1_Click(object sender, EventArgs e)
{
int mahk, tinhtrang;
string mamh, malh;
DateTime tgbatdau, tgketthuc;
malh = txtmalop.Text.Trim();
mamh = txtmh.Text.Trim();
mahk = int.Parse(txtmahk.Text.Trim());
tgbatdau = DateTime.Parse(txtBD.Text.Trim());
tgketthuc = DateTime.Parse(txtKT.Text.Trim());
tinhtrang = int.Parse(txttinhtrang.Text.Trim());
LopHoc LH = new LopHoc(malh, mamh, mahk, tgbatdau, tgketthuc, tinhtrang);
try
{
int i = new LopHocBus().SuaLH(LH);
if (i == -2)
{
throw new Exception();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
dgvLH.DataSource = GetLH();
}
public List <LopHoc> GetLH()
{
try
{
string sql = "Select * from LopHoc";
LopHocBus LH = new LopHocBus();
return(LH.GetLH(sql));
}
catch (Exception ex)
{
throw ex;
}
}
private void btxoa1_Click(object sender, EventArgs e)
{
string malh;
malh = txtmalop.Text.Trim();
try
{
int i = new LopHocBus().XoaLH(malh);
//if (i == -2)
//{
// throw new Exception();
//}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
dgvLH.DataSource = GetLH();
}
