C++ Project for STUDENT REPORT CARD

CODE:

//***************************************************************
//                   HEADER FILE USED IN PROJECT
//****************************************************************

#include<conio.h>
#include<stdio.h>
#include<process.h>
#include<fstream.h>
#include<iomanip.h>

//***************************************************************
//                   CLASS USED IN PROJECT
//****************************************************************

class student
{
 int rollno;
 char name[50];
 int p_marks,c_marks,m_marks,e_marks,cs_marks;
 float per;
 char grade;
 int std;
 void calculate()
{
  per=(p_marks+c_marks+m_marks+e_marks+cs_marks)/5.0;
 if(per>=60)
   grade='A';
 else if(per>=50 && per<60)
  grade='B';
 else if(per>=33 && per<50)
 grade='C';
else
 grade='F';
}
 public:
void getdata()
{
cout<<"\nEnter The roll number of student ";
cin>>rollno;
cout<<"\n\nEnter The Name of student ";
gets(name);
cout<<"\nEnter The marks in physics out of 100 : ";
cin>>p_marks;
cout<<"\nEnter The marks in chemistry out of 100 : ";
cin>>c_marks;
cout<<"\nEnter The marks in maths out of 100 : ";
cin>>m_marks;
cout<<"\nEnter The marks in english out of 100 : ";
cin>>e_marks;
cout<<"\nEnter The marks in computer science out of 100 : ";
cin>>cs_marks;
calculate();
}

void showdata()
{
cout<<"\nRoll number of student : "<<rollno;
cout<<"\nName of student : "<<name;
cout<<"\nMarks in Physics : "<<p_marks;
cout<<"\nMarks in Chemistry : "<<c_marks;
cout<<"\nMarks in Maths : "<<m_marks;
cout<<"\nMarks in English : "<<e_marks;
cout<<"\nMarks in Computer Science :"<<cs_marks;
cout<<"\nPercentage of student is  :"<<setprecision(2)<<per;
cout<<"\nGrade of student is :"<<grade;
}

void show_tabular()
{
cout<<rollno<<setw(12)<<name<<setw(10)<<p_marks<<setw(3)<<c_marks<<setw(3)<<m_marks<<setw(3)<<e_marks<<setw(3)<<cs_marks<<setw(6)<<setprecision(3)<<per<<"   "<<grade<<endl;
}

  int  retrollno()
  {return rollno;}

};         //class ends here



//***************************************************************
//    global declaration for stream object, object
//****************************************************************

 fstream fp;
 student st;

//***************************************************************
//    function to write in file
//****************************************************************

void write_student()
   {
    fp.open("student.dat",ios::out|ios::app);
    st.getdata();
    fp.write((char*)&st,sizeof(student));
    fp.close();
    cout<<"\n\nstudent record Has Been Created ";
    getch();
   }


//***************************************************************
//    function to read all records from file
//****************************************************************


void display_all()
{
    clrscr();
    cout<<"\n\n\n\t\tDISPLAY ALL RECORD !!!\n\n";
    fp.open("student.dat",ios::in);
    while(fp.read((char*)&st,sizeof(student)))
{
st.showdata();
cout<<"\n\n====================================\n";
getch();
}
    fp.close();
    getch();
}


//***************************************************************
//    function to read specific record from file
//****************************************************************


void display_sp(int n)
{
    int flag=0;
    fp.open("student.dat",ios::in);
    while(fp.read((char*)&st,sizeof(student)))
{
if(st.retrollno()==n)
{
clrscr();
st.showdata();
flag=1;
}
}
    fp.close();
if(flag==0)
 cout<<"\n\nrecord not exist";
    getch();
}


//***************************************************************
//    function to modify record of file
//****************************************************************


void modify_student()
{
    int no,found=0;
    clrscr();
    cout<<"\n\n\tTo Modify ";
    cout<<"\n\n\tPlease Enter The roll number of student";
    cin>>no;
    fp.open("student.dat",ios::in|ios::out);
    while(fp.read((char*)&st,sizeof(student)) && found==0)
   {
    if(st.retrollno()==no)
   {
    st.showdata();
    cout<<"\nPlease Enter The New Details of student"<<endl;
    st.getdata();
    int pos=-1*sizeof(st);
    fp.seekp(pos,ios::cur);
    fp.write((char*)&st,sizeof(student));
    cout<<"\n\n\t Record Updated";
    found=1;
   }
     }
    fp.close();
    if(found==0)
    cout<<"\n\n Record Not Found ";
    getch();
}


//***************************************************************
//    function to delete record of file
//****************************************************************


void delete_student()
   {
    int no;
    clrscr();
    cout<<"\n\n\n\tDelete Record";
    cout<<"\n\nPlease Enter The roll number of student You Want To Delete";
    cin>>no;
    fp.open("student.dat",ios::in|ios::out);
    fstream fp2;
    fp2.open("Temp.dat",ios::out);
    fp.seekg(0,ios::beg);
    while(fp.read((char*)&st,sizeof(student)))
{
if(st.retrollno()!=no)
{
fp2.write((char*)&st,sizeof(student));
}
}
    fp2.close();
    fp.close();
    remove("student.dat");
    rename("Temp.dat","student.dat");
    cout<<"\n\n\tRecord Deleted ..";
    getch();
    }


//***************************************************************
//    function to display all students grade report
//****************************************************************

    void class_result()
    {
     clrscr();
     fp.open("student.dat",ios::in);
     if(!fp)
     {
       cout<<"ERROR!!! FILE COULD NOT BE OPEN\n\n\n Go To Entry Menu to create File";
       cout<<"\n\n\n Program is closing ....";
       getch();
       exit(0);
     }

     cout<<"\n\n\t\tALL STUDENTS RESULT \n\n";
  cout<<"====================================================\n";
  cout<<"Roll No. Name          P  C  M  E  CS  %age Grade\n";
  cout<<"====================================================\n";

      while(fp.read((char*)&st,sizeof(student)))
{
   st.show_tabular();
}
     fp.close();
     getch();
}




//***************************************************************
//    function to display result menu
//****************************************************************

   void result()
   {
    int ans,rno;
    char ch;
    clrscr();
    cout<<"\n\n\nRESULT MENU";
    cout<<"\n\n\n1. Class Result\n\n2. Student Report Card\n\n3.Back to Main Menu";
    cout<<"\n\n\nEnter Choice (1/2)? ";
    cin>>ans;
    switch(ans)
    {
     case 1 : class_result();break;
     case 2 : {
do{
clrscr();
char ans;
cout<<"\n\nEnter Roll Number Of Student : ";
cin>>rno;
display_sp(rno);
cout<<"\n\nDo you want to See More Result (y/n)?";
cin>>ans;
}while(ans=='y'||ans=='Y');

break;
       }
     case 3: break;
     default:  cout<<"\a";
    }
 }

//***************************************************************
//    INTRODUCTION FUNCTION
//****************************************************************

void intro()
{
 clrscr();
 gotoxy(35,11);
 cout<<"STUDENT";
 gotoxy(33,14);
 cout<<"REPORT CARD";
 gotoxy(35,17);
 cout<<"PROJECT";
 cout<<"\n\nMADE BY : SULABH AGRAWAL";
 cout<<"\n\nSCHOOL : CAMBRIDGE SCHOOL";
 getch();

}




//***************************************************************
//    ENTRY / EDIT MENU FUNCTION
//****************************************************************
void entry_menu()
{
  clrscr();
  char ch2;
  cout<<"\n\n\n\tENTRY MENU";
  cout<<"\n\n\t1.CREATE STUDENT RECORD";
  cout<<"\n\n\t2.DISPLAY ALL STUDENTS RECORDS";
  cout<<"\n\n\t3.SEARCH STUDENT RECORD ";
  cout<<"\n\n\t4.MODIFY STUDENT RECORD";
  cout<<"\n\n\t5.DELETE STUDENT RECORD";
  cout<<"\n\n\t6.BACK TO MAIN MENU";
  cout<<"\n\n\tPlease Enter Your Choice (1-6) ";
  ch2=getche();
  switch(ch2)
  {
    case '1': clrscr();
      write_student();
      break;
    case '2': display_all();break;
    case '3':
       int num;
       clrscr();
       cout<<"\n\n\tPlease Enter The roll number ";
       cin>>num;
       display_sp(num);
       break;
      case '4': modify_student();break;
      case '5': delete_student();break;
      case '6': break;
      default:cout<<"\a";entry_menu();
   }
}


//***************************************************************
//    THE MAIN FUNCTION OF PROGRAM
//****************************************************************


void main()
{
  char ch;
  intro();
  do
    {
  clrscr();
  cout<<"\n\n\n\tMAIN MENU";
  cout<<"\n\n\t01. RESULT MENU";
  cout<<"\n\n\t02. ENTRY/EDIT MENU";
  cout<<"\n\n\t03. EXIT";
  cout<<"\n\n\tPlease Select Your Option (1-3) ";
  ch=getche();
  switch(ch)
  {
case '1': clrscr();
   result();
   break;
  case '2': entry_menu();
    break;
  case '3':exit(0);
  default :cout<<"\a";
}
    }while(ch!='3');
}

//***************************************************************
//    END OF PROJECT
//***************************************************************

Contact:

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