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#include<iostream>
#include<string.h>
#include<conio.h>
#include<stdlib.h>
using namespace std;
int main();
void show(int search_key);
void get(int i);
void searchdata(int search_key);
void add_name();
void update(int id_number);
// void delete_data(int id_number);
int ts;
struct student
{
int rollno;
string name;
string fname;
string phoneno;
string dob;
string address;
};
student s[60];
int main()
{
system("cls");
int choice;
int id_number;
int search_key;
cout<<"enter total students:"<<endl;
cin>>ts;
while(ts--)
{
cout<<"\nwhat operation to do"<<endl;
cout<<"\nadd student"<<endl;
cout<<"\nupdate record"<<endl;
cout<<"\nsearch record"<<endl;
//cout<<"\ndelete record"<<endl;
cout<<"\nquit the database"<<endl;
cout<<"enter the choice"<<endl;
cin>>choice;
switch(choice)
{
case 1:
add_name();
break;
case 2:
if(s[0].rollno == 0)
{
cout<<"enter record first"<<endl;
system("pause");
main();
}
else
{
cout<<endl;
cout<<"Student record table"<<endl;
cout<<"ID "<<"ROLLNO "<<"NAME "<<"PHONE "<<"DOB "<<"ADDRESS "<<endl<<endl;
for(int i=0;i<ts;i++)
{
show(i);
}
cout<<"enter the id number to be edited"<<endl;
cin>>id_number;
if(id_number>ts||id_number<0)
{
cout<<"invalid id number passed"<<endl;
}
else{
update(id_number);
}
break;
}
case 3:
if(s[0].rollno == 0)
{
cout<<"enter student record first"<<endl;
}
else
{
cout<<"enter id for search"<<endl;
cin>>search_key;
searchdata(search_key);
}
break;
/*case 4:
if(s[0].rollno == 0)
{
cout<<"enter student record first"<<endl;
}
else
{
cout<<"enter id to be deleted"<<endl;
cin>>id_number;
delete_data(id_number);
}
break;*/
case 5:
return 0;
break;
default:
cout<<"invalid choice"<<endl;
system("pause");
main();
}
}
return 0;
}
void get(int i)
{
cout<<"enter student rollno"<<endl;
cin>>s[i].rollno;
cout<<"enter student name"<<endl;
cin>>s[i].name;
cout<<"enter student fname"<<endl;
cin>>s[i].fname;
cout<<"enter student phoneno"<<endl;
cin>>s[i].phoneno;
cout<<"enter student dob"<<endl;
cin>>s[i].dob;
cout<<"enter student address"<<endl;
cin>>s[i].address;
}
void show(int search_key)
{
int i = search_key;
cout<<i<<" ";
cout<<s[i].rollno<<" ";
cout<<s[i].name<<" ";
cout<<s[i].fname<<" ";
cout<<s[i].phoneno<<" ";
cout<<s[i].dob<<" ";
cout<<s[i].address<<" ";
}
void searchdata(int search_key)
{
for(int i=0;i<ts;i++)
{
if(s[i].rollno == search_key)
{
cout<<"ID "<<"ROLLNO "<<"NAME "<<"PHONE "<<"DOB "<<"ADDRESS "<<endl<<endl;
show(i);
}
}
}
void add_name()
{
for(int i=0;i<ts;i++)
{
get(i);
}
system("cls");
cout<<endl;
cout<<"student record table"<<endl;
cout<<"ID "<<"ROLLNO "<<"NAME "<<"PHONE "<<"ADDRESS "<<endl<<endl;
for(int i=0;i<ts;i++)
{
show(i);
}
system("pause");
cout<<"student record added"<<endl;
main();
}
void update(int id_number)
{
for(int i=0;i<ts;i++)
{
if(id_number == i)
{
cout<<"existed record"<<endl;
cout<<"ID "<<"ROLLNO "<<"NAME "<<"PHONE "<<"ADDRESS "<<endl<<endl;
show(i);
cout<<"taking new record for same id"<<endl;
get(i);
cout<<"record updated"<<endl;
system("pause");
main();
}
}
}
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