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DSAL11 Word

The document contains a C++ program that manages student records using a binary file. It includes functionalities to create, display, search, and delete student records, with each student having attributes like roll number, name, division, and address. The program utilizes file handling to store and retrieve student data efficiently.

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Pragati Shirole
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27 views8 pages

DSAL11 Word

The document contains a C++ program that manages student records using a binary file. It includes functionalities to create, display, search, and delete student records, with each student having attributes like roll number, name, division, and address. The program utilizes file handling to store and retrieve student data efficiently.

Uploaded by

Pragati Shirole
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
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#include<iostream>

#include<fstream>

#include<string.h>

using namespace std;

class student

typedef struct stud

int roll;

char name[10];

char div;

char add[10];

} stud;

stud rec;

public:

void create();

void display();

int search();

void Delete();

};

void student::create()

char ans;

ofstream fout;

fout.open("stud.dat", ios::out | ios::binary);

do

cout << "\n\tEnter Roll No of Student : ";

cin >> rec.roll;

cout << "\n\tEnter a Name of Student : ";

cin >> rec.name;


cout << "\n\tEnter a Division of Student : ";

cin >> rec.div;

cout << "\n\tEnter a Address of Student : ";

cin >> rec.add;

fout.write((char *)&rec, sizeof(stud)) << flush;

cout << "\n\tDo You Want to Add More Records: ";

cin >> ans;

} while (ans == 'y' || ans == 'Y');

fout.close();

void student::display()

ifstream fin;

fin.open("stud.dat", ios::in | ios::binary);

fin.seekg(0, ios::beg);

cout << "\n\tThe Content of File are:\n";

cout << "\n\tRoll\tName\tDiv\tAddress";

while (fin.read((char *)&rec, sizeof(stud)))

if (rec.roll != -1)

cout << "\n\t" << rec.roll << "\t" << rec.name << "\t" << rec.div << "\t" <<

rec.add;

fin.close();

int student::search()

int r, i = 0;

ifstream fin;

fin.open("stud.dat", ios::in | ios::binary);

fin.seekg(0, ios::beg);
cout << "\n\tEnter a Roll No: ";

cin >> r;

while (fin.read((char *)&rec, sizeof(stud)))

if (rec.roll == r)

cout << "\n\tRecord Found...\n";

cout << "\n\tRoll\tName\tDiv\tAddress";

cout << "\n\t" << rec.roll << "\t" << rec.name << "\t" << rec.div << "\t" <<

rec.add;

return i;

i++;

fin.close();

return 0;

void student::Delete()

int pos;

pos = search();

fstream f;

f.open("stud.dat", ios::in | ios::out | ios::binary);

f.seekg(0, ios::beg);

if (pos == 0)

cout << "\n\tRecord Not Found";

return;

int offset = pos * sizeof(stud);

f.seekp(offset);
rec.roll = -1;

strcpy(rec.name, "NULL");

rec.div = 'N';

strcpy(rec.add, "NULL");

f.write((char *)&rec, sizeof(stud));

f.seekg(0);

f.close();

cout << "\n\tRecord Deleted";

int main()

student obj;

int ch, key;

char ans;

do

cout << "\n\t***** Student Information *****";

cout << "\n\t1. Create\n\t2. Display\n\t3. Delete\n\t4. Search\n\t5. Exit";

cout << "\n\t..... Enter Your Choice: ";

cin >> ch;

switch (ch)

case 1:

obj.create();

break;

case 2:

obj.display();

break;

case 3:

obj.Delete();

break;
case 4:

key = obj.search();

if (key == 0)

cout << "\n\tRecord Not Found...\n";

break;

case 5:

break;

cout << "\n\t..... Do You Want to Continue in Main Menu: ";

cin >> ans;

} while (ans == 'y' || ans == 'Y');

return 1;

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