// lấy danh sách học sinh trong một lớp( học sinh đã có trong lớp))
public HocSinh[] layDanhSachHocSinh_DaCoLop_DAO(Lop lop)
{
HocSinh[] dsHocSinh;
string nameProc_LayDSHocSinh_DaCoLop = "sp_layDanhSachHocSinh_DaCoLop";
SqlParameter para1 = new SqlParameter("@maLop", lop.MaLop);
DataTable bangDSHocSinh = DataProvider.executeStoreProcedureQuery(nameProc_LayDSHocSinh_DaCoLop, para1);
dsHocSinh = layDanhSachHocSinh_DaCoLop_TuBang(bangDSHocSinh);
return dsHocSinh;
}
public Lop[] getAllClass()
{
string strSql = "SELECT * FROM Lop";
DataTable dt = DataProvider.executeQuery(strSql);
int n = dt.Rows.Count;
Lop[] allClass = new Lop[n];
for (int i = 0; i < n; i++)
{
Lop TK = GetDataFromDataRow(dt, i);
allClass[i] = TK;
}
return allClass;
}
public Lop[] layDanhSachLop_Tu_Bang(DataTable bangDSLop)
{
Lop[] dsLop = new Lop[bangDSLop.Rows.Count];
for (int i = 0; i < bangDSLop.Rows.Count; i++)
{
Lop lop = new Lop();
lop.MaLop = Convert.ToInt32(bangDSLop.Rows[i]["maLop"]);
lop.TenLop = bangDSLop.Rows[i]["tenLop"].ToString();
lop.SiSo = Convert.ToInt32(bangDSLop.Rows[i]["siSo"]);
lop.MaKHoi = Convert.ToInt32(bangDSLop.Rows[i]["maKhoi"]);
lop.MaGV_ChuNhiem = Convert.ToInt32(bangDSLop.Rows[i]["maGV_ChuNhiem"]);
dsLop[i] = lop;
}
return dsLop;
}
public bool themHocSinh_VaoLop_BUS(HocSinh hocsinh, Lop lop)
{
return hocsinhDAO.themHocSinh_VaoLop_DAO(hocsinh, lop);
}
public bool suaHocSinh_SuaLop_DAO(HocSinh hocsinh, Lop lop)
{
return hocsinhDAO.suaHocSinh_SuaLop_DAO(hocsinh, lop);
}
public HocSinh[] layDanhSachHocSinh_DaCoLop_BUS(Lop lop)
{
return hocsinhDAO.layDanhSachHocSinh_DaCoLop_DAO(lop);
}
public bool themHocSinh_VaoLop_DAO(HocSinh hocsinh, Lop lop)
{
bool kiemtra_soluonghs = kiemTraSoLuongHocSinh_TrongMotLop(lop.MaLop);
if (kiemtra_soluonghs == true)
{
string nameProc_ThemHocSinh_VaoLop = "sp_themHocSinh_VaoLop";
SqlParameter para1 = new SqlParameter("@maHocSinh", hocsinh.MaHocSinh);
SqlParameter para2 = new SqlParameter("@maLop", lop.MaLop);
int ketqua = DataProvider.executeStoreProcedureNonQuery(nameProc_ThemHocSinh_VaoLop, para1, para2);
if (ketqua != 0)
{
return true;
}
return false;
}
else
{
return false;
}
}
public bool suaHocSinh_SuaLop_DAO(HocSinh hocsinh, Lop lop)
{
string nameProc_SuaHocSinh_SuaLop = "sp_suaHocSinh_SuaLop";
SqlParameter para1 = new SqlParameter("@maHocSinh", hocsinh.MaHocSinh);
SqlParameter para2 = new SqlParameter("@maLop", lop.MaLop);
int ketqua = DataProvider.executeStoreProcedureNonQuery(nameProc_SuaHocSinh_SuaLop, para1, para2);
if (ketqua != 0)
{
return true;
}
return false;
}
private void frmTraCuu_Load(object sender, EventArgs e)
{
Lop[] dsLop = lop.layDanhSachLop_BUS();
Lop[] dsNew = new Lop[dsLop.Length+1];
Lop lop_all = new Lop();
lop_all.TenLop = "All";
dsNew[0] = lop_all;
for (int i = 1; i < dsNew.Length; i++)
{
dsNew[i] = dsLop[i - 1];
}
comboLop.Tag = dsNew;
comboLop.DataSource = dsNew;
comboLop.DisplayMember = "tenLop";
comboLop.ValueMember = "maLop";
//------------------Lấy danh sách học sinh
HocSinh[] dsHocSinh = hocsinh.layDanhSachHocSinh_BUS();
comboHoTen.Tag = dsHocSinh;
comboHoTen.DataSource = dsHocSinh;
comboHoTen.DisplayMember = "hoTen";
comboHoTen.SelectedIndex = -1;
}
private Lop GetDataFromDataRow(DataTable dt, int i)
{
Lop lop = new Lop();
lop.MaGV_ChuNhiem = Convert.ToInt32(dt.Rows[i]["maGV_ChuNhiem"].ToString());
lop.MaLop = Convert.ToInt32(dt.Rows[i]["maLop"].ToString());
lop.MaKHoi = Convert.ToInt32(dt.Rows[i]["maKhoi"].ToString());
lop.TenLop = dt.Rows[i]["tenLop"].ToString();
lop.SiSo =Convert.ToInt32(dt.Rows[i]["siSo"].ToString());
return lop;
}
protected override object createObjectFromDatarow(DataRow row)
{
//throw new NotImplementedException();
Lop lop = new Lop();
lop.MaGV_ChuNhiem = Convert.ToInt32(row["maGV_ChuNhiem"].ToString());
lop.MaLop = Convert.ToInt32(row["maLop"].ToString());
lop.MaKHoi = Convert.ToInt32(row["maKhoi"].ToString());
lop.TenLop = row["tenLop"].ToString();
lop.SiSo = Convert.ToInt32(row["siSo"].ToString());
return lop;
}