Employee Management Data Base System By: Aman Gupta Roll No 1 Class 12 C

CertificateThis is to certificate that the project entitled “Employee Management Database System”, which deals with the data record of all the employees in a company is being submitted by AMAN GUPTA. This project is a bonafide piece of work carried with the consultation of the supervisor.

AcknowledgementIt is with great pleasure that I find myself penning down these lines to express my sincere thanks to various people who helped me a long way in completing this project. It was a privilege to have been guided by Mrs. Rita Joseph.

/*Employee Management Database System made by Aman Gupta Roll No. - 1 */

#include<fstream.h>#include<dos.h>#include<conio.h>#include<stdlib.h>#include<stdio.h>#include<string.h>#include<iomanip.h>#include<graphics.h>

class group{

private:struct person{ char flag; char empcode[5];

char name[40]; int age; float sal; int day;

int month;int year;

}p;fstream file;public:

group();

void addrec();void listrec();void modirec();void delrec();void exit();

};

void main()

{ char choice,v; group g; do {

clrscr();struct dosdate_t d;_dos_getdate(&d);

cout<<"Made by Aman Gupta"<<endl;gotoxy(12,5);textcolor(6);cprintf("Todays date:");printf("%d",d.day);cout<<"/";

printf("%d",d.month);cout<<"/";cout<<d.year;gotoxy(12,9);gotoxy(12,13);

cout<<"1.Add record";gotoxy(12,15);cout<<"2.List Record";gotoxy(12,17);cout<<"3.Modify record";gotoxy(12,19);cout<<"4.Delete record";gotoxy(12,21);

cout<<"0.Exit"<<endl;gotoxy(12,28);cout<<"Your choice"<<" ";

cin>>choice;clrscr();

switch(choice) { case '1': g.addrec();

break; case'2': g.listrec();

break;

case'3': g.modirec(); break;

case'4': g.delrec(); break;

case'0': g.exit(); exit(1);

}}while(choice!=0);

}

void group::group(){

file.open("Emp.dat",ios::binary|ios::in|ios::out);p.flag=' ';if(!file){

cout<<endl<<"Unable to open file";exit();

}

}

void group::addrec(){

char ch;file.seekp(0L,ios::end);struct dosdate_t d;_dos_getdate(&d);p.day=d.day;p.month=d.month;p.year=d.year;

cout<<"Make sure that no employee has the same code"<<endl;do{

cout<<endl<<"To return to the Main menu press'm' key else press'a' followed by employee details";

cout<<" as shown:"<<endl<<endl; cout<<endl<<endl;

cout<<"Enter a code, name, age & salary"; cin>>ch; if(ch=='m'||ch=='M') {

main();}

cin>>p.empcode>>p.name>>p.age>>p.sal;p.flag=' ';

file.write((char*)&p,sizeof(p)); cout<<"Add another record ?(y/n) :"; cin>>ch; }while(ch=='y'||ch=='Y');

}

void group::listrec(){

int j=0,a;file.seekg(0L,ios::beg);

cout<<"List of records present are as under>>>"<<endl<<endl;cout<<" "<<"|CODE|"<<" "<<"|NAME|"<<""<<"|

AGE|"<<" "<<"|SALARY|"<<" "<<"|DATED|"<<endl;while(file.read((char*)&p,sizeof(p))){

if(p.flag!='*')

cout<<endl<<"Record#"<<""<<j++<<setw(6)<<p.empcode<<setw(20)<<p.name<<setw(4)<<p.age<<setw(9)<<p.sal;

cout<<" "<<p.day<<"/"<<p.month<<"/"<<p.year<<endl;}file.clear();

if(j==0){

gotoxy(10,10); cout<<"No record exit"; gotoxy(10,11); cout<<"Press any key..."; getch();

}else{

cout<<endl<<"Press any key..."; getch();

}}

void group::modirec(){

char code[5];int count=0;long int pos;cout<<"Enter employee code whose record is to be modified :";cin>>code;file.seekg(0L,ios::beg);while(file.read((char*)&p,sizeof(p))){ if(strcmp(p.empcode,code)==0)

{ cout<<endl<<"Enter new record "<<endl; cout<<endl<<"Enter employee name,age &

salary :"<<endl; cin>>p.name>>p.age>>p.sal; struct dosdate_t d; _dos_getdate(&d); p.day=d.day; p.month=d.month; p.year=d.year; p.flag=' ';

pos=count*sizeof(p); file.seekp(pos,ios::beg); file.write((char*)&p,sizeof(p)); return;

} count++;

}cout<<endl<<"No employee in file with code= "<<code;getch();file.clear();

}

void group::delrec(){

char code[5];long int pos;int count=0;cout<<"Enter employee code to be deleted :";cin>>code;file.seekg(0L,ios::beg);while(file.read((char*)&p,sizeof(p))){ if (strcmp(p.empcode,code)==0) {

p.flag='*'; pos=count*sizeof(p); file.seekp(pos,ios::beg); file.write((char*)&p,sizeof(p)); return;

} count++;

} cout<<endl<<"No employee in file with code="<<code; cout<<endl<<"Press any key..."; getch(); file.clear();

}

void group::exit(){ file.close();}

OUTPUT