public int IndexOF(SV s)
{
int index = -1;
for (int i = 0; i < n; i++)
{
if (arr[i] == s)
{
index = i;
break;
}
}
return(index);
}
public SV getSVById(string mssv)
{
SV sv = new SV();
foreach (SV s in GetAllSV())
{
if (mssv.Equals(s.MSSV))
{
sv = s;
break;
}
}
return(sv);
}
public void Sort()
{
for (int i = 0; i < n; i++)
{
for (int j = i; j < n; j++)
{
if ((string.Compare(arr[j].Name, arr[i].Name) < 0))
{
SV a = new SV();
a = arr[j];
arr[j] = arr[i];
arr[i] = a;
}
}
}
}
// sap xep theo DHT
public void Sort()
{
SV temp = new SV();
for (int i = 0; i < this.count - 1; i++)
{
for (int j = i + 1; j < this.count; j++)
{
if (this.ds[i].DHT > this.ds[j].DHT)
{
temp = this.ds[i];
this.ds[i] = this.ds[j];
this.ds[j] = temp;
}
}
}
}
public void EditDataRowSV(SV s)
{
foreach (DataRow i in dtSV.Rows)
{
if (Convert.ToInt32(i["MSSV"].ToString()) == s.MSSV)
{
CSDL.Instance.dtSV.Rows.Remove(i);
DataRow dr = dtSV.NewRow();
dr["MSSV"] = s.MSSV;
dr["NameSV"] = s.NameSV;
dr["Gender"] = s.Gender;
dr["NS"] = s.NS;
dr["ID_Lop"] = s.ID_Lop;
dtSV.Rows.Add(dr);
return;
}
}
}
public void ExecuteDB(SV s)
{
bool check = false;
foreach (SV i in GetAllSV())
{
if (i.MSSV == s.MSSV)
{
check = true;
}
}
if (check)
{
CSDL.Instance.EditDataRowSV(s);
}
else
{
CSDL.Instance.AddDataRowSV(s);
}
}
public List <SV> sortSV(string type, List <SV> l, int classID)
{
if ("Birthday" == type)
{
cmp = SV.Compare_Birth;
}
if ("MSSV" == type)
{
cmp = SV.Compare_MSSV;
}
if ("NameSV" == type)
{
cmp = SV.Compare_Name;
}
if ("ClassID" == type)
{
cmp = SV.Compare_ClassID;
}
if ("Gender" == type)
{
cmp = SV.Compare_Gender;
}
foreach (SV i in getSVbyClassID(classID))
{
l.Add(i);
}
for (int i = 0; i < l.Count; i++)
{
for (int j = i + 1; j < l.Count; j++)
{
if (cmp(l[j], l[i]))
{
SV temp = new SV();
temp = l[i];
l[i] = l[j];
l[j] = temp;
}
}
}
return(l);
}
public void updateSV(SV sv)
{
DataTable dtSV = new DataTable();
dtSV = CSDL.Instance.DTSV;
foreach (DataRow dr in dtSV.Rows)
{
if (dr["MSSV"].Equals(sv.MSSV))
{
dr["NameSV"] = sv.NameSV;
dr["Gender"] = sv.Gender;
dr["NS"] = sv.NS;
dr["ID_Lop"] = sv.ID_Lop;
break;
}
}
dtSV.AcceptChanges();
CSDL.Instance.DTSV = dtSV;
}
public SV getSV()
{
SV s = new SV();
s.MSSV = Convert.ToInt32(txt_mssv.Text);
s.NameSV = txt_name.Text;
if (radio_male.Checked == true)
{
s.Gender = true;
}
else
{
s.Gender = false;
}
s.Birthday = dtp_birthday.Value;
int id_class = CDSL_Handle.Instance.getIDLSH(cbb_LSH.Text);
s.ClassID = id_class;
return(s);
}
public void ChangeScoreSV(ref SV Info_change, string choice)
{
if (choice != "Name" && choice != "Age" && choice != "Address" && choice != "Gender" && choice != "All")
{
Info_change.getChoice = choice;
Console.Write("\rNhap diem mon {0}: ", choice);
double score_change = double.Parse(Console.ReadLine());
Info_change.getScore = score_change;
}
else if (choice == "Name" || choice == "Age" || choice == "Address" || choice == "Gender")
{
Info_change.getChoice = choice;
Console.Write("\rNhap {0}: ", choice);
string NAGA = Console.ReadLine();
Info_change.getNAGA = NAGA;
}
else
{
Info_change.InputInfo();
Info_change.InputScore();
}
}
public void Add(SV s)
{
if (n == 0)
{
arr = new SV[n + 1];
arr[n] = s;
}
else
{
SV[] t = new SV[n];
for (int i = 0; i < n; i++)
{
t[i] = arr[i];
}
arr = new SV[n + 1];
for (int i = 0; i < n; i++)
{
arr[i] = t[i];
}
arr[n] = s;
}
n++;
}
static void Main(string[] args)
{
SV s1 = new SV {
MSSV = 1, Name = "NVA"
};
SV s2 = new SV {
MSSV = 2, Name = "NVB"
};
SV s3 = new SV {
MSSV = 3, Name = "NVC"
};
SV s4 = new SV {
MSSV = 4, Name = "NVD"
};
QLSV.Instance.Add(s1);
QLSV.Instance.Add(s4);
QLSV.Instance.Insert(s3, 0);
QLSV.Instance.Insert(s2, 1);
QLSV.Instance.Sort();
Console.WriteLine(QLSV.Instance);
Console.ReadKey();
}
public int Compare(object x, object y)
{
SV a = x as SV;
SV b = y as SV;
a.getChoice = choiceSort;
b.getChoice = choiceSort;
if (a == null || b == null)
{
throw new InvalidOperationException();
}
if (a.getScore > b.getScore)
{
return(1);
}
else if (a.getScore < b.getScore)
{
return(-1);
}
else
{
return(0);
}
}
public int BinarySearch(SV s)
{
int l = 0;
int r = this.count - 1;
Sort();
s.Show();
while (r >= l)
{
int mid = (r + l) / 2;
this.ds[mid].Show();
if (this.ds[mid].MSSV == s.MSSV && this.ds[mid].Name == s.Name && this.ds[mid].DHT == s.DHT)
{
return(mid);
}
if (this.ds[mid].DHT > s.DHT)
{
r = mid - 1;
}
//if (this.ds[mid].DHT < s.DHT)
l = mid + 1;
}
return(-1);
}
// Them 1 SV
public void ThemSV(SV s)
{
if (this.count == 0)
{
this.count = 1;
this.ds = new SV[count];
this.ds[0] = s;
}
else
{
int i = 0;
SV[] Temp = new SV[count];
for (i = 0; i < count; i++)
{
Temp[i] = new SV();
Temp[i].MSSV = this.ds[i].MSSV;
Temp[i].Name = this.ds[i].Name;
Temp[i].DHT = this.ds[i].DHT;
}
count++;
ds = new SV[count];
for (i = 0; i < count - 1; i++)
{
ds[i] = new SV();
ds[i].MSSV = Temp[i].MSSV;
ds[i].Name = Temp[i].Name;
ds[i].DHT = Temp[i].DHT;
}
ds[count - 1] = new SV();
ds[count - 1].MSSV = s.MSSV;
ds[count - 1].Name = s.Name;
ds[count - 1].DHT = s.DHT;
}
}
static void Main(string[] args)
{
double j = 1;
Console.WriteLine("--------------------------------------Chuong Trinh Quan Li Sinh Vien--------------------------------------------");
bool choice = true;
Console.Write("Nhap so sinh vien cua lop : ");
int n = int.Parse(Console.ReadLine());
while (n > 10 || n < 0)//Xoa dong nay neu muon nhap hon 10 Sinh vien
{
Console.WriteLine("So sinh vien toi da random hoac tu nhap la 10 hoac ban da nhap so sinh vien khong hop le.");
Console.Write("Nhap Lai : ");
n = int.Parse(Console.ReadLine());
}// Va ca dong nay nua nha :))
List <SV> ArrSV = new List <SV>(n);
Console.WriteLine("2 Che do : Random va tu nhap thong tin. ");
Console.WriteLine("Ban muon random SV hay tu nhap . Neu chon random thi ghi Random neu tu nhap thi ghi gi cung duoc ");
Console.Write("Lua chon cua ban : ");//Che do Random chi tu dong nhap duoc toi da 10 nguoi , neu nhap qua se bi crash
string c_random = Console.ReadLine();
if (c_random != "Random")//Tu nhap vao
{
for (int i = 0; i < n; i++)
{
ArrSV.Add(new SV());
}
inputInfo(ArrSV, ref j);
}
else//Random SV
{
for (int i = 0; i < n; i++)
{
ArrSV.Add(new SV());
}
foreach (SV items in ArrSV)
{
items.RandomSV();
items.getMSSV = j;
j++;
}
}
do
{
Menu:
StartProgam();
printInfo(ArrSV);
functionProgam();
int rule = int.Parse(Console.ReadLine());
switch (rule)
{
case 1: //Sap xep theo diem
Console.Write("Ban muon sap xep mon nao ");
string subject = Console.ReadLine();
Sort_Score sub = new Sort_Score();
sub.inputChoice(subject);
ArrSV.Sort(sub);
Console.WriteLine("Sau khi sap xep theo Diem {0} :", subject);
printInfo(ArrSV);
Endprogam(ref choice);
break;
case 2: //Sap xep theo MSSV
Sort_Score sub_2 = new Sort_Score();
sub_2.inputChoice("MSSV");
ArrSV.Sort(sub_2);
Console.WriteLine("Sau khi sap xep theo MSSV :");
printInfo(ArrSV);
Endprogam(ref choice);
break;
case 3: //Them SV
Console.Write("Nhap so Sinh vien muon them : ");
int addSV = int.Parse(Console.ReadLine());
List <SV> ArrAdd = new List <SV>(addSV);
for (int i = 0; i < addSV; i++)
{
ArrAdd.Add(new SV());
}
inputInfo(ArrAdd, ref j);
ArrSV.AddRange(ArrAdd);
printInfo(ArrSV);
Endprogam(ref choice);
break;
case 4: //Xoa sinh vien
Console.Write("Nhap ten Sinh vien muon xoa : ");
string name_remove = Console.ReadLine();
SV reSV = ArrSV.Find(new SearchNameSV(name_remove).search);//Tim kiem vi tri SV can xoa trong list ban dau
ArrSV.Remove(reSV);
printInfo(ArrSV);
Endprogam(ref choice);
break;
case 5: //Sua thong tin SV( p/s : Thong tin Age neu sua o lan dau nhap vao thi duoc nhung lan 2 se bi crash ct)
StartChange:
string y_choice = "y";
string _choice = "1";
do
{
Console.Write("Nhap ten sinh vien muon sua : ");
string name_change = Console.ReadLine();
ThisSVchange:
int index = ArrSV.FindIndex(new SearchNameSV(name_change).search);
SV chSV = ArrSV.Find(new SearchNameSV(name_change).search);
if (_choice != "0")
{
Console.WriteLine("\rThong tin sinh vien can doi : ");
chSV.OutputInfo();
}
ArrSV.Remove(chSV);
Console.WriteLine("Ban muon doi thong tin nao cua sinh vien hay toan bo : ");
Console.Write("Neu toan bo nhap All khong thi nhap thong tin can sua: ");
string infochange = Console.ReadLine();
changeSV changeInfo = new changeSV();
changeInfo.ChangeScoreSV(ref chSV, infochange);
ArrSV.Insert(index, chSV);
printInfo(ArrSV);
Continue(ref y_choice, "sua");
if (y_choice == "y")
{
Console.WriteLine("Ban muon tiep tuc sua sinh vien nay hay sua sinh vien khac ");
Console.Write("Nhap 0 de tiep tuc sua sinh vien hay nhap gi cx duoc de sua sv khac");
_choice = Console.ReadLine();
if (_choice == "0")
{
goto ThisSVchange;
}
else
{
goto StartChange;
}
}
} while (y_choice == "y");
Endprogam(ref choice);
break;
case 6: //Tim kiem sinh vien
Console.Write("Nhap ten Sinh vien muon tim kiem : ");
string name_search = Console.ReadLine();
SV searchSV = ArrSV.Find(new SearchNameSV(name_search).search);//Tim kiem vi tri SV can kiem trong list ban dau
Console.WriteLine("Thong tin sinh vien sau khi tim kiem la: ");
searchSV.OutputInfo();
Endprogam(ref choice);
break;
case 7: //Xoa toan bo thong tin SV
ArrSV.Clear();
printInfo(ArrSV);
break;
case 8: //Xoa man hinh
Console.WriteLine("Chuong trinh dang thuc hien xoa man hinh. ");
Console.Clear();
Console.WriteLine("Man Hinh Da Xoa Xong.");
Console.WriteLine("Dang Cap Nhap Lai Du Lieu");
Console.WriteLine("Data Update......");
Pause();
Console.WriteLine("Cap Nhap Data Hoan thanh");
Pause();
Console.Clear();
Console.WriteLine("--------------------------------------Chuong Trinh Quan Li Sinh Vien--------------------------------------------");
goto Menu;
case 9: //Ket thuc chuong trinh
Console.WriteLine("Ban da chon ket thuc chuong trinh. Cam on vi da su dung chuong trinh");
Console.WriteLine("See you again in next time. Bye");
choice = false;
break;
default:
Console.WriteLine("Lua chon khong hop le ");
Endprogam(ref choice);
break;
}
} while (choice == true);
Console.Read();
}
private int byDate(SV sv1, SV sv2)
{
return(sv1.NS.CompareTo(sv2.NS));
}
private int byName(SV sv1, SV sv2)
{
return(sv1.NameSV.CompareTo(sv2.NameSV));
}
// Sort
private int byMSSV(SV sv1, SV sv2)
{
return(sv1.MSSV.CompareTo(sv2.MSSV));
}
static void Main(string[] args)
{
SV sv1 = new SV
{
MSSV = 111,
Name = "A",
DHT = 1.1
};
SV sv2 = new SV
{
MSSV = 222,
Name = "B",
DHT = 9.1
};
SV sv3 = new SV
{
MSSV = 333,
Name = "C",
DHT = 8.1
};
SV sv4 = new SV
{
MSSV = 444,
Name = "D",
DHT = 7.1
};
SV sv5 = new SV
{
MSSV = 555,
Name = "E",
DHT = 5.1
};
QLSV a = new QLSV();
a.ThemSV(sv1);
a.ThemSV(sv2);
a.ThemSV(sv3);
a.ThemSV(sv4);
/*a.ThemSV(sv4);
* a.ThemSV(sv5);
* Console.WriteLine("Danh sach SV:");
* a.Show();
* a.XoaSV1(3);
* Console.WriteLine("Da xoa SV thu 3 ra khoi DS:");
* a.Show();
* a.XoaSV(sv1);
* Console.WriteLine("Da xoa SV sv1 ra khoi DS:");
* a.Show();
* Console.WriteLine("Da xoa SV sv5 ra khoi DS:");
* a.XoaSV(sv5);
* a.Show();
*/
a.Insert(3, sv5);
a.Sort();
//a.Show();
int k = a.BinarySearch(sv3);
Console.WriteLine("Vi tri tim thay: {0}", k + 1);
Console.WriteLine("Done!");
Console.ReadKey();
}
public void Remove(SV s)
{
RemoveAt(IndexOF(s));
}
public void passData(SV sv)
{
this.sv = sv;
}
// Hàm gán cho delegage
public bool search(SV p)
{
return(p.getName == namesearch);
}
