public void Them(SinhVienClass sv)
{
XmlElement SinhVien = doc.CreateElement("SinhVien");
XmlElement MaSV = doc.CreateElement("MaSinhVien");
if (Check(MaSV, sv.MaSinhVien))
{
}
else
{
MaSV.InnerText = sv.MaSinhVien;
SinhVien.AppendChild(MaSV);
XmlElement HoTen = doc.CreateElement("HoTen");
HoTen.InnerText = sv.HoTen;
SinhVien.AppendChild(HoTen);
XmlElement NgaySinh = doc.CreateElement("NgaySinh");
NgaySinh.InnerText = sv.NgaySinh.ToShortDateString();
SinhVien.AppendChild(NgaySinh);
XmlElement Lop = doc.CreateElement("Lop");
Lop.InnerText = sv.Lop;
SinhVien.AppendChild(Lop);
root.AppendChild(SinhVien);
doc.Save(FileName);
}
}
public void Sua(SinhVienClass sv)
{
XmlNode NodeOld = root.SelectSingleNode("SinhVien[MaSinhVien='" + sv.MaSinhVien + "']");
if (NodeOld != null)
{
XmlNode NodeNew = doc.CreateElement("SinhVien");
//if (Check(NodeNew, sv.MaSinhVien))
//{
XmlElement MaSV = doc.CreateElement("MaSinhVien");
MaSV.InnerText = sv.MaSinhVien;
NodeNew.AppendChild(MaSV);
XmlElement HoTen = doc.CreateElement("HoTen");
HoTen.InnerText = sv.HoTen;
NodeNew.AppendChild(HoTen);
XmlElement NgaySinh = doc.CreateElement("NgaySinh");
NgaySinh.InnerText = sv.NgaySinh.ToShortDateString();
NodeNew.AppendChild(NgaySinh);
XmlElement Lop = doc.CreateElement("Lop");
Lop.InnerText = sv.Lop;
NodeNew.AppendChild(Lop);
root.ReplaceChild(NodeNew, NodeOld);
doc.Save(FileName);
//}
}
}
private void btSua_Click(object sender, EventArgs e)
{
SinhVienClass sv = new SinhVienClass(tbMaSinhVien.Text, tbHoTen.Text
, Convert.ToDateTime(dtpNgaySinh.Text), cbbLop.Text);
SinhVienDAO dao = new SinhVienDAO();
dao.Sua(sv);
SinhVien_Load(sender, e);
}
public void Xoa(SinhVienClass sv)
{
XmlNode nodeDelete = root.SelectSingleNode("SinhVien[MaSinhVien='" + sv.MaSinhVien + "']");
if (nodeDelete != null)
{
root.RemoveChild(nodeDelete);
doc.Save(FileName);
}
}
private void btXoa_Click(object sender, EventArgs e)
{
SinhVienClass sv = new SinhVienClass();
sv.MaSinhVien = tbMaSinhVien.Text;
SinhVienDAO dao = new SinhVienDAO();
dao.Xoa(sv);
SinhVien_Load(sender, e);
}
public List <SinhVienClass> Search(string input)
{
var node = root.SelectNodes("SinhVien[MaSinhVien='" + input + "']");
List <SinhVienClass> listSV = new List <SinhVienClass>();
if (node.Count > 0)
{
for (int i = 0; i < node.Count; i++)
{
SinhVienClass sv = new SinhVienClass(
node[i].ChildNodes.Item(0).InnerText.Trim(),
node[i].ChildNodes.Item(1).InnerText.Trim(),
Convert.ToDateTime(node[i].ChildNodes.Item(2).InnerText.Trim()),
node[i].ChildNodes.Item(3).InnerText.Trim()
);
listSV.Add(sv);
}
}
return(listSV);
}
public List <SinhVienClass> Load()
{
XmlDataDocument xmldoc = new XmlDataDocument();
XmlNodeList list;
FileStream fs = new FileStream("sinhvien.xml", FileMode.Open, FileAccess.ReadWrite);
xmldoc.Load(fs);
fs.Close();
list = xmldoc.GetElementsByTagName("SinhVien");
List <SinhVienClass> ListSV = new List <SinhVienClass>();
for (int i = 0; i < list.Count; i++)
{
SinhVienClass cl = new SinhVienClass(list[i].ChildNodes.Item(0).InnerText.Trim(),
list[i].ChildNodes.Item(1).InnerText.Trim(),
Convert.ToDateTime(list[i].ChildNodes.Item(2).InnerText),
list[i].ChildNodes.Item(3).InnerText.Trim()
);
ListSV.Add(cl);
}
return(ListSV);
}
