public bool insert(monhoc item)
{
String query = "Insert into monhoc values ('" + item.mamonhoc + "' , N'" + item.tenmonhoc + "', " + item.tongsotiet + " ,"
+ item.sotinchi + ", " + item.hocky + ");";
try {
SqlCommand cmd = new SqlCommand(query, getConnection());
cmd.ExecuteNonQuery();
return(true);
} catch (Exception e) {
return(false);
}
}
public bool update(monhoc l)
{
String query = "update monhoc set tenmonhoc =N'" + l.tenmonhoc + "'," +
"sotinchi=" + l.sotinchi + "," + "tongsotiet=" + l.tongsotiet + "," + "hocky=" + l.hocky + " where mamonhoc='" + l.mamonhoc + "'";
try {
SqlCommand cmd = new SqlCommand(query, getConnection());
cmd.ExecuteNonQuery();
return(true);
} catch (Exception e) {
return(false);
}
}
public bool delete(monhoc l)
{
String query = "delete monhoc where mamonhoc = '" + l.mamonhoc + "'";
try {
SqlCommand cmd = new SqlCommand(query, getConnection());
cmd.ExecuteNonQuery();
BangDiemController bangdiemController = new BangDiemController();
List <bangdiem> list = bangdiemController.getListBangdiem();
foreach (bangdiem diem in list)
{
bangdiemController.update(diem);
}
return(true);
} catch (Exception e) {
return(false);
}
}
public List <monhoc> getListMon(String msv)
{
List <monhoc> list = new List <monhoc>();
String query = "Select monhoc.* from monhoc,bangdiem where bangdiem.mamonhoc = monhoc.mamonhoc and bangdiem.masv = '" + msv + "'" +
"";
try {
SqlCommand cmd = new SqlCommand(query, getConnection());
SqlDataReader reader = cmd.ExecuteReader();
while (reader.Read())
{
monhoc m = new monhoc();
m.monIDataReader(reader);
list.Add(m);
}
reader.Close();
} catch (Exception e) {
}
return(list);
}
public List <monhoc> searchMon(String search)
{
List <monhoc> list = new List <monhoc>();
String query = "Select * from monhoc where mamonhoc='" + search + "' or tenmonhoc='"
+ search + "'";
try {
SqlCommand cmd = new SqlCommand(query, getConnection());
SqlDataReader reader = cmd.ExecuteReader();
while (reader.Read())
{
monhoc m = new monhoc();
m.monIDataReader(reader);
list.Add(m);
}
reader.Close();
} catch (Exception e) {
Console.WriteLine(e.Message);
}
return(list);
}
public List <monhoc> getListMon()
{
List <monhoc> list = new List <monhoc>();
String query = "Select * from monhoc";
try
{
SqlCommand cmd = new SqlCommand(query, getConnection());
SqlDataReader reader = cmd.ExecuteReader();
while (reader.Read())
{
monhoc m = new monhoc();
m.monIDataReader(reader);
list.Add(m);
}
reader.Close();
}
catch (Exception e)
{
}
return(list);
}
