student result report card system in vb net
#1

Hi am Mohamed i would like to get details on student result report card system in vb net ..My friend Justin said student result report card system in vb net will be available here and now i am living at ......... and i last studied in the college/school ......... and now am doing ....i need help on ......etc
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#2

//***************************************************************
// 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:Confusedhowdata()
{
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:Confusedhow_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:Confusedhowpoint);
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
//***************************************************************
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