public CHocvien timHV(string malop, string mahv)
{
CLopHoc a = tim(malop);
CHocvien hv = null;
if (a != null)
{
hv = (CHocvien)a.Dmhv[mahv];
}
return(hv);
}
public void hienthiLH(string malop)
{
CLopHoc cr = xllop.tim(malop);
if (cr != null)
{
txtMaL.Text = cr.SMalop;
txtKhoa.Text = cr.SKhoa;
txtHDT.Text = cr.SHeDaoTao;
}
}
private void btnXoaHSRL_Click(object sender, EventArgs e)
{
foreach (int i in lvwDSLH.SelectedIndices)
{
foreach (int j in lvwDSHVTL.SelectedIndices)
{
CLopHoc cr = xllop.tim(lvwDSLH.Items[i].Text);
cr.Dmhv.Remove(lvwDSHVTL.Items[j].Text);
hienthiHV();
break;
}
}
}
private void btnThemHSVL_Click(object sender, EventArgs e)
{
foreach (int i in lvwDSLH.SelectedIndices)
{
foreach (int j in lvwDSHV.SelectedIndices)
{
CHocvien hv = xlhv.tim(lvwDSHV.Items[j].Text);
CLopHoc cr = xllop.tim(lvwDSLH.Items[i].Text);
cr.Dmhv.Add(hv.SMaHV, hv);
hienthiHV();
break;
}
break;
}
}
private void btnSua_Click(object sender, EventArgs e)
{
CLopHoc cr = new CLopHoc();
cr.SMalop = txtMaL.Text;
cr.SKhoa = txtKhoa.Text;
cr.SHeDaoTao = txtHDT.Text;
if (xllop.sua(cr))
{
hienthi();
}
else
{
MessageBox.Show("Khong sua lop dc");
}
}
public bool themHV(string malop, CHocvien hv)
{
try
{
CLopHoc a = tim(malop);
if (a != null)
{
a.Dmhv.Add(hv.SMaHV, hv);
return(true);
}
return(false);
}
catch (Exception)
{
throw;
}
}
public bool xoa(string malop)
{
try
{
CLopHoc a = tim(malop);
if (a != null)
{
m_dmlop.Remove(malop);
return(true);
}
return(false);
}
catch (Exception)
{
throw;
}
}
public bool them(CLopHoc cr)
{
try
{
CLopHoc a = tim(cr.SMalop);
if (a == null)
{
m_dmlop.Add(cr.SMalop, cr);
return(true);
}
return(false);
}
catch (Exception)
{
throw;
}
}
public bool sua(CLopHoc cr)
{
try
{
CLopHoc a = tim(cr.SMalop);
if (a != null)
{
a.SKhoa = cr.SKhoa;
a.SHeDaoTao = cr.SHeDaoTao;
a.Dmhv = cr.Dmhv;
return(true);
}
return(false);
}
catch (Exception)
{
throw;
}
}
