public Lop findlop(string malop)
{
Lop lop = new Lop();
try
{
ketnoicsdl.Opendb(ketnoicsdl._db_path);
lop = (from Lop p in ketnoicsdl.db
where p.Malop == malop
select p).SingleOrDefault();
return lop;
}
finally
{
ketnoicsdl.db.Close();
}
}
public void addlop(string malop,string tenlop,string makhoa)
{
Lop lop = new Lop();
lop.Malop = malop;
lop.Tenlop = tenlop;
lop.Makhoa = makhoa;
try
{
ketnoicsdl.Opendb(ketnoicsdl._db_path);
ketnoicsdl.db.Store(lop);
}
finally
{
ketnoicsdl.db.Close();
}
}
public Lop findlop(string malop)
{
Lop lop = new Lop();
try
{
ketnoicsdl.Opendb(ketnoicsdl._db_path);
lop = (from Lop p in ketnoicsdl.db
where p.Malop == malop
select p).SingleOrDefault();
return(lop);
}
finally
{
ketnoicsdl.db.Close();
}
}
public void addlop(string malop, string tenlop, string makhoa)
{
Lop lop = new Lop();
lop.Malop = malop;
lop.Tenlop = tenlop;
lop.Makhoa = makhoa;
try
{
ketnoicsdl.Opendb(ketnoicsdl._db_path);
ketnoicsdl.db.Store(lop);
}
finally
{
ketnoicsdl.db.Close();
}
}
private void khoasv_SelectedValueChanged(object sender, EventArgs e)
{
//MessageBox.Show(((KeyValuePair<string, string>)khoa.SelectedItem).Value.ToString());
if (khoasv.SelectedItem != null)
{
Lop lop = new Lop();
// MessageBox.Show( ((KeyValuePair<string, string>)khoasv).Value.ToString());
try
{
for (int i = 0; i < lop.listlop_khoa(((KeyValuePair <string, string>)khoasv.SelectedItem).Value).Count; i++)
{
// khoa.Items.Add(new KeyValuePair<string, string>(kh.listkhoa()[i].Tenkhoa, kh.listkhoa()[i].Makhoa));
cmbLop.Items.Add(new KeyValuePair <string, string>(lop.listlop_khoa(((KeyValuePair <string, string>)khoasv.SelectedItem).Value.ToString())[i].Malop, lop.listlop_khoa(((KeyValuePair <string, string>)khoasv.SelectedItem).Value.ToString())[i].Malop));
}
cmbLop.DisplayMember = "Key";
cmbLop.ValueMember = "Value";
}
catch { };
}
}
private void khoa_SelectedValueChanged_1(object sender, EventArgs e)
{
string makhoa;
Lop lop = new Lop();
List <Lop> loplist = new List <Lop>();
lophoc.Items.Clear();//xoa lop moi khi chon khoa khac
if (khoa.SelectedIndex != -1)
{
makhoa = ((KeyValuePair <string, string>)khoa.SelectedItem).Value.ToString();
loplist = lop.listlop_khoa(makhoa);
for (int i = 0; i < loplist.Count; i++)
{
lophoc.Items.Add(new KeyValuePair <string, string>
(loplist[i].Tenlop, loplist[i].Malop));
}
lophoc.DisplayMember = "Key";
lophoc.ValueMember = "Value";
}
}
private void nhapttlop_Click(object sender, EventArgs e)
{
openFileDialog1.ShowDialog();
string pathToExcelFile = ""
+ @openFileDialog1.FileName;
string sheetName = "Sheet1";
var excelFile = new ExcelQueryFactory(pathToExcelFile);
var docexcel = from a in excelFile.Worksheet <Lop>(sheetName) select a;
foreach (var a in docexcel)
{
Lop lop = new Lop();
lop.addlop(a.Malop, a.Tenlop, a.Makhoa);
}
MessageBox.Show("Đã đọc file excel thành công");
excelFile.Dispose();
}
public static string taomatudong(string tendoituong)
{
try
{
Opendb(ketnoicsdl._db_path);
string t = "";
switch (tendoituong)
{
case "giaovien":
Khoa khoa = (from Khoa p in ketnoicsdl.db
orderby p.Makhoa descending
select p).FirstOrDefault();
if (khoa == null) //xem lai giao dien khoa
{
t = " " + "00000001";
}
else
{
t = khoa.Makhoa.Substring(1, 4) + Int32.Parse(khoa.Makhoa.Substring(4, 8)) + 1;
}
break;
case "sinhvien":
Sinhvien sv = (from Sinhvien p in ketnoicsdl.db
orderby p.Ma descending
select p).FirstOrDefault();
if (sv == null)
{
t = DateTime.Now.Year.ToString() + "00000001";
}
else
{
string thu = sv.Ma.Substring(4, 8);
t = sv.Ma.Substring(0, 4) + themsokhong(Int32.Parse(sv.Ma.Substring(4, 8)) + 1);
}
break;
case "lophoc":
Lop lop = (from Lop p in ketnoicsdl.db
orderby p.Malop descending
select p).FirstOrDefault();
if (lop == null)
{
t = "LH" + DateTime.Now.Year.ToString() + "000001";
}
else
{
t = lop.Malop.Substring(1, 6) + Int32.Parse(lop.Malop.Substring(4, 6)) + 1;
}
break;
case "monhoc": //xem lai giao dien mon hoc roi lam
Monhoc mh = (from Monhoc p in ketnoicsdl.db
orderby p.Mamh descending
select p).FirstOrDefault();
if (mh == null)
{
t = "MH" + " " + "000001";
}
else
{
t = mh.Mamh.Substring(1, 6) + Int32.Parse(mh.Mamh.Substring(4, 6)) + 1;
}
break;
/* case "khoa":
* Khoa khoa = (from Khoa p in ketnoicsdl.db
* orderby p.Makhoa descending
* select p).FirstOrDefault();
* if (khoa==null)
* {
* t = DateTime.Now.Year.ToString() + "00000001";
* }
* else
* {
* t =khoa.Makhoa.Substring(1,4)+ Int32.Parse(sv.Ma.Substring(4, 8))+1;
* }
*
* break;*/
}
return(t);
}
finally { ketnoicsdl.db.Close(); }
}
private void nhapttlop_Click(object sender, EventArgs e)
{
openFileDialog1.ShowDialog();
string pathToExcelFile = ""
+ @openFileDialog1.FileName;
string sheetName = "Sheet1";
var excelFile = new ExcelQueryFactory(pathToExcelFile);
var docexcel = from a in excelFile.Worksheet<Lop>(sheetName) select a;
foreach (var a in docexcel)
{
Lop lop = new Lop();
lop.addlop(a.Malop, a.Tenlop, a.Makhoa);
}
MessageBox.Show("Đã đọc file excel thành công");
excelFile.Dispose();
}
private void khoa_SelectedValueChanged_1(object sender, EventArgs e)
{
string makhoa;
Lop lop = new Lop();
List<Lop> loplist = new List<Lop>();
lophoc.Items.Clear();//xoa lop moi khi chon khoa khac
if (khoa.SelectedIndex != -1)
{
makhoa = ((KeyValuePair<string, string>)khoa.SelectedItem).Value.ToString();
loplist = lop.listlop_khoa(makhoa);
for (int i = 0; i < loplist.Count; i++)
{
lophoc.Items.Add(new KeyValuePair<string, string>
(loplist[i].Tenlop, loplist[i].Malop));
}
lophoc.DisplayMember = "Key";
lophoc.ValueMember = "Value";
}
}
private void khoasv_SelectedValueChanged(object sender, EventArgs e)
{
//MessageBox.Show(((KeyValuePair<string, string>)khoa.SelectedItem).Value.ToString());
if (khoasv.SelectedItem != null)
{
Lop lop = new Lop();
// MessageBox.Show( ((KeyValuePair<string, string>)khoasv).Value.ToString());
try
{
for (int i = 0; i < lop.listlop_khoa(((KeyValuePair<string, string>)khoasv.SelectedItem).Value).Count; i++)
{
// khoa.Items.Add(new KeyValuePair<string, string>(kh.listkhoa()[i].Tenkhoa, kh.listkhoa()[i].Makhoa));
cmbLop.Items.Add(new KeyValuePair<string, string>(lop.listlop_khoa(((KeyValuePair<string, string>)khoasv.SelectedItem).Value.ToString())[i].Malop, lop.listlop_khoa(((KeyValuePair<string, string>)khoasv.SelectedItem).Value.ToString())[i].Malop));
}
cmbLop.DisplayMember = "Key";
cmbLop.ValueMember = "Value";
}
catch { };
}
}