Tuesday, 22 March 2016

C++ Program For Student Report Card ( SRC PROJECT ) With Source Code

#include<iostream>
#include<fstream>
#include<iomanip>
using namespace std;

class student
{
int rollno;
char name[50];
int p_marks, c_marks, m_marks, e_marks, cs_marks;
double per;
char grade;
void calculate(); //function to calculate grade
public:
void getdata(); //function to accept data from user
void showdata() const; //function to show data on screen
void show_tabular() const;
int retrollno() const;
}; //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 ";
cin.ignore();
cin.getline(name,50);
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() const
{
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() const
{
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(8)<<per<<setw(6)<<grade<<endl;
}

int  student::retrollno() const
{
return rollno;
}

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

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

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

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

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...";
cin.ignore();
cin.get();
return;
}
bool flag=false;
while(inFile.read(reinterpret_cast<char *> (&st), sizeof(student)))
{
if(st.retrollno()==n)
{
  st.showdata();
flag=true;
}
}
inFile.close();
if(flag==false)
cout<<"\n\nrecord not exist";
cin.ignore();
cin.get();
}

void modify_student(int n)
{
bool found=false;
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...";
cin.ignore();
cin.get();
return;
}
    while(!File.eof() && found==false)
{

File.read(reinterpret_cast<char *> (&st), sizeof(student));
if(st.retrollno()==n)
{
st.showdata();
cout<<"\n\nPlease Enter The New Details of student"<<endl;
st.getdata();
    int pos=(-1)*static_cast<int>(sizeof(st));
    File.seekp(pos,ios::cur);
    File.write(reinterpret_cast<char *> (&st), sizeof(student));
    cout<<"\n\n\t Record Updated";
    found=true;
}
}
File.close();
if(found==false)
cout<<"\n\n Record Not Found ";
cin.ignore();
cin.get();
}

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...";
cin.ignore();
cin.get();
return;
}
ofstream outFile;
outFile.open("Temp.dat",ios::out);
inFile.seekg(0,ios::beg);
while(inFile.read(reinterpret_cast<char *> (&st), sizeof(student)))
{
if(st.retrollno()!=n)
{
outFile.write(reinterpret_cast<char *> (&st), sizeof(student));
}
}
outFile.close();
inFile.close();
remove("student.dat");
rename("Temp.dat","student.dat");
cout<<"\n\n\tRecord Deleted ..";
cin.ignore();
cin.get();
}

void class_result()
{
student st;
ifstream inFile;
inFile.open("student.dat",ios::binary);
if(!inFile)
{
cout<<"File could not be open !! Press any Key...";
cin.ignore();
cin.get();
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(reinterpret_cast<char *> (&st), sizeof(student)))
{
st.show_tabular();
}
cin.ignore();
cin.get();
inFile.close();
}

void result()
{
char ch;
int rno;
system("cls");
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;
system("cls");
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";
}
}

void intro()
{
cout<<"\n\n\n\t\t WELCOME TO STUDENT REPORT CARD PROJECT";
cout<<"\n\n\n\tPress Enter To Continue\n\n";
//cout<<"\n\n\n\tMADE BY : SULABH AGRAWAL";
//cout<<"\n\tSCHOOL : CAMBRIDGE SCHOOL";
cin.get();
}

void entry_menu()
{
char ch;
int num;
system("cls");
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;
system("cls");
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();
}
}


Output:-

1. Main Page


www.programmingwithbasics.com

2. Main MENU

www.programmingwithbasics.com

3.STUDENT INFOMATION

www.programmingwithbasics.com

4.ENTER STUDENT INFOMATION

www.programmingwithbasics.com

5.DISPLAY STUDENT INFOMATION

www.programmingwithbasics.com

6.FINAL REULT

www.programmingwithbasics.com

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Ghanendra Yadav

Ghanendra Yadav

Hello, I Am Ghanendra Yadav Owner of This Blog, I am professional Blogger and Programmer. I Love Programming, Logo Making, And Banner Designing. My Highest Qualification is MCA From NIT Warangal. You Can Find Me On Social Media Through Below Link And If You Have Any Query Related To Programming And Other Subject Comment Below or You Can Mail Me I Will Try To Answer Within 24 Hours Email:- yghanendra@student.nitw.ac.in

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