Scribd
Upload
61 views24 pages

#Include #Include #Include #Include #Include

This document contains the code for a C++ student report card project. It includes: 1) Header files and class definitions for storing student data like name, marks, percentage, grade. 2) Functions for reading, writing, modifying and deleting student records from a data file. 3) Functions to display individual student reports, full class results, and a menu to select these options. 4) Main functions like introduction, entry menu to interface with the above record handling functions.

Uploaded by

dipu giri
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
61 views24 pages

#Include #Include #Include #Include #Include

This document contains the code for a C++ student report card project. It includes: 1) Header files and class definitions for storing student data like name, marks, percentage, grade. 2) Functions for reading, writing, modifying and deleting student records from a data file. 3) Functions to display individual student reports, full class results, and a menu to select these options. 4) Main functions like introduction, entry menu to interface with the above record handling functions.

Uploaded by

dipu giri
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
You are on page 1/ 24

//***************************************************************

// 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<<e
ndl;

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

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

#include<fstream.h>
#include<iomanip.h>
#include<stdio.h>
#include<conio.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;
void calculate(); //function to calculate grade
public:
void getdata(); //function to accept data from
user
void showdata(); //function to show data on screen
void show_tabular();
int retrollno();
}; //class ends here

void student::calculate()
{
per=(p_marks+c_marks+m_marks+e_marks+cs_marks)/5.0;
if(per>=60)
grade='A';
else if(per>=50)
grade='B';
else if(per>=33)
grade='C';
else
grade='F';
}

void student::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 student::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 :"<<per;
cout<<"\nGrade of student is :"<<grade;
}

void student::show_tabular()
{
cout<<rollno<<setw(6)<<"
"<<name<<setw(10)<<p_marks<<setw(4)<<c_marks<<setw(4)<<m_marks
<<setw(4)

<<e_marks<<setw(4)<<cs_marks<<setw(6)<<per<<setw(6)<<"
"<<grade<<endl;
}
int student::retrollno()
{
return rollno;
}

//************************************************************
***
// function declaration
//************************************************************
****

void write_student(); //write the record in binary file


void display_all(); //read all records from binary file
void display_sp(int); //accept rollno and read record from
binary file
void modify_student(int); //accept rollno and update
record of binary file
void delete_student(int); //accept rollno and delete
selected records from binary file
void class_result(); //display all records in tabular
format from binary file
void result(); //display result menu
void intro(); //display welcome screen
void entry_menu(); //display entry menu on screen

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

int main()
{
char ch;
cout.setf(ios::fixed|ios::showpoint);
cout<<setprecision(2); // program outputs decimal number
to two decimal places
clrscr();
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) ";
cin>>ch;
clrscr();
switch(ch)
{
case '1': result();
break;
case '2': entry_menu();
break;
case '3':
break;
default :cout<<"\a";
}
}while(ch!='3');
return 0;
}

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

void write_student()
{
student st;
ofstream outFile;
outFile.open("student.dat",ios::binary|ios::app);
st.getdata();
outFile.write((char *) &st, sizeof(student));
outFile.close();
cout<<"\n\nStudent record Has Been Created ";
cin.ignore();
getch();
}

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

void display_all()
{
student st;
ifstream inFile;
inFile.open("student.dat",ios::binary);
if(!inFile)
{
cout<<"File could not be open !! Press any
Key...";
getch();
return;
}
cout<<"\n\n\n\t\tDISPLAY ALL RECORD !!!\n\n";
while(inFile.read((char *) &st, sizeof(student)))
{
st.showdata();

cout<<"\n\n====================================\n";
}
inFile.close();
getch();
}

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

void display_sp(int n)
{
student st;
ifstream inFile;
inFile.open("student.dat",ios::binary);
if(!inFile)
{
cout<<"File could not be open !! Press any
Key...";
getch();
return;
}
int flag=0;
while(inFile.read((char *) &st, sizeof(student)))
{
if(st.retrollno()==n)
{
st.showdata();
flag=1;
}
}
inFile.close();
if(flag==0)
cout<<"\n\nrecord not exist";
getch();
}

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

void modify_student(int n)
{
int found=0;
student st;
fstream File;
File.open("student.dat",ios::binary|ios::in|ios::out);
if(!File)
{
cout<<"File could not be open !! Press any
Key...";
getch();
return;
}
while(File.read((char *) &st, sizeof(student)) &&
found==0)
{
if(st.retrollno()==n)
{
st.showdata();
cout<<"\n\nPlease Enter The New Details of
student"<<endl;
st.getdata();
int pos=(-1)*sizeof(st);
File.seekp(pos,ios::cur);
File.write((char *) &st, sizeof(student));
cout<<"\n\n\t Record Updated";
found=1;
}
}
File.close();
if(found==0)
cout<<"\n\n Record Not Found ";
getch();
}

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

void delete_student(int n)
{
student st;
ifstream inFile;
inFile.open("student.dat",ios::binary);
if(!inFile)
{
cout<<"File could not be open !! Press any
Key...";
getch();
return;
}
ofstream outFile;
outFile.open("Temp.dat",ios::out);
inFile.seekg(0,ios::beg);
while(inFile.read((char *) &st, sizeof(student)))
{
if(st.retrollno()!=n)
{
outFile.write((char *) &st,
sizeof(student));
}
}
outFile.close();
inFile.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()
{
student st;
ifstream inFile;
inFile.open("student.dat",ios::binary);
if(!inFile)
{
cout<<"File could not be open !! Press any
Key...";
getch();
return;
}
cout<<"\n\n\t\tALL STUDENTS RESULT \n\n";
cout<<"=================================================
=========\n";
cout<<"R.No Name P C M E CS %age
Grade"<<endl;
cout<<"=================================================
=========\n";
while(inFile.read((char *) &st, sizeof(student)))
{
st.show_tabular();
}
getch();
inFile.close();
}

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

void result()
{
char ch;
int rno;
cout<<"\n\n\n\tRESULT MENU";
cout<<"\n\n\n\t1. Class Result";
cout<<"\n\n\t2. Student Report Card";
cout<<"\n\n\t3. Back to Main Menu";
cout<<"\n\n\n\tEnter Choice (1/2/3)? ";
cin>>ch;
clrscr();
switch(ch)
{
case '1' :class_result(); break;
case '2' :cout<<"\n\n\tEnter Roll Number Of Student : ";
cin>>rno;
display_sp(rno); break;
case '3' :break;
default :cout<<"\a";
}
}

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

void intro()
{
cout<<"\n\n\n\t\t STUDENT";
cout<<"\n\n\t\tREPORT CARD";
cout<<"\n\n\t\t PROJECT";
cout<<"\n\n\n\tMADE BY : SULABH AGRAWAL";
cout<<"\n\tSCHOOL : CAMBRIDGE SCHOOL";
getch();
}

//************************************************************
***
// ENTRY / EDIT MENU FUNCTION
//************************************************************
****

void entry_menu()
{
char ch;
int num;
clrscr();
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) ";
cin>>ch;
clrscr();
switch(ch)
{
case '1': write_student(); break;
case '2': display_all(); break;
case '3': cout<<"\n\n\tPlease Enter The roll number ";
cin>>num;
display_sp(num); break;
case '4': cout<<"\n\n\tPlease Enter The roll number ";
cin>>num;
modify_student(num);break;
case '5': cout<<"\n\n\tPlease Enter The roll number ";
cin>>num;
delete_student(num);break;
case '6': break;
default: cout<<"\a"; entry_menu();
}
}

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

You might also like