student management system project 2
#include<iostream>
#include<string>
#include<conio.h>
#include<stdlib.h>
using namespace std;
int main();
void show_data(int searchkey); //function used to show data to end-user.
void get_data(int i); //function used to obtain data from end-user.
void search_student(int searchkey);
void add_student(); //This function is used to add record of new student.
void edit_student(int idnumber); //function is used to edit existing record.
void fullscreen();
int ts;
struct student
//Structure student is made to store student attributes.
{
int rollno;
string name;
string fname;
string cell;
string dob;
string address;
};
student rec[50]; //This is basic array of defined structure to sore data.
int main()
{
system("CLS");
system("color B1");
int choice; //int variable used to determine which operation user want to do.
int idnumber; //int variable used to record ID number whih user want to edit.
int searchkey; //int variable to store student roll_no by which user can search.
cout<<"Enter The Total Number of Student(s)- Max 50: ";
cin>>ts;
while(ts--)
{
cout<<"\n\t\tWhat do you want to do?"<<endl;
cout<<"\t\t----------------------"<<endl;
cout<<"\t\t1-Add student"<<endl;
cout<<"\t\t2-Edit student"<<endl;
cout<<"\t\t3-Search student"<<endl;
cout<<"\t\t4-Quit Program"<<endl;
cout<<"\t\t----------------------"<<endl;
cout<<"Enter your choice: ";
cin>>choice;
switch(choice)
{
case 1: //If user presses 1 then student adding module would be displayed.
add_student();
break;
case 2: //If there are no records in array then it will ask the user to input records first.
if(rec[0].rollno==0)
{
cout<<"Please Add sudents first."<<endl;
system("pause");
main();
}
else //If records are present in array then it will show table.
{
cout<<endl;
cout<<"--------------------------------------------------------------------------------"<<endl;
cout<<"---------------------------Student record Table---------------------------------"<<endl;
cout<<"--------------------------------------------------------------------------------"<<endl;
cout<<"ID "<<"Roll "<<"Name "<<"Father\tCell no. "<<"DOB "<<"Address\n\n";
cout<<"--------------------------------------------------------------------------------"<<endl;
for(int i=0;i<=ts;i++)
{
show_data(i); //funtion is called with index value to show data.
}
cout<<"--------------------------------------------------------------------------------"<<endl;
cout<<"Which ID number your want to edit: ";
cin>>idnumber; //Asking the user at which ID he wants to make a change.
if(idnumber>ts || idnumber<0) //Validating the ID number.
{
cout<<"\nInvalid ID Number."<<endl;
}
else
{
edit_student(idnumber); //Passing ID number to Edit Function.
}
}
break;
case 3:
if(rec[0].rollno==0) //If no record exist then ask the user o enter records first.
{
cout<<"Please Add sudents first."<<endl;
system("pause");
main(); //Return to main so user can input new record.
}
else
{
cout<<"Enter roll_no of student you want to search: ";
cin>>searchkey; //roll_no as the search key can be entered by user.
search_student(searchkey);}
break;
case 4:
return 0; //Terminating the records.
break;
default: //Default value for ivalid Input.
cout<<"Invalid number."<<endl;
system("pause");
main();
}
}
return 0;
}
void get_data(int i) //Function for receiving data from user and populatiing the variables with values.
{
cout<<"Enter student roll number in format(1XXX): ";
cin>>rec[i].rollno;
cout<<"Enter student name: ";
cin>>rec[i].name;
cout<<"Enter student's Father name: ";
cin>>rec[i].fname;
cout<<"Enter student's cell phone number: ";
cin>>rec[i].cell;
cout<<"Enter student's Date of Birth(dd/mm/yyyy): ";
cin>>rec[i].dob;
cout<<"Enter student's Address: ";
cin>>rec[i].address;
}
void show_data(int searchkey)//Function for showing data on the screen.
{
int i=searchkey;
cout<<i<<" ";
cout<<rec[i].rollno<<" ";
cout<<rec[i].name<<" ";
cout<<rec[i].fname<<"\t";
cout<<rec[i].cell<<" ";
cout<<rec[i].dob<<" ";
cout<<rec[i].address<<"\n\n";
}
void search_student(int searchkey)
{
for(int i=0;i<=ts;i++) //Loop thrugh complete array.
{
if(rec[i].rollno==searchkey) //If roll number matches to search term.
{
cout<<"ID "<<"Roll "<<"Name "<<"Father\tCell no. "<<"DOB "<<"Address\n\n";
show_data(i); //A function is used inside another function.
}
}
}
void add_student() //This function is used to add record of new student.
{
for(int i=0;i<=ts;i++)
{
get_data(i); //Loop was processed 5 times to get input for 5 students.
}
system("CLS");
cout<<endl;
cout<<"--------------------------------------------------------------------------------"<<endl;
cout<<"---------------------------Student record Table---------------------------------"<<endl;
cout<<"--------------------------------------------------------------------------------"<<endl;
cout<<"ID "<<"Roll "<<"Name "<<"Father\tCell no. "<<"DOB "<<"Address\n\n";
cout<<"--------------------------------------------------------------------------------"<<endl;
for(int i=0;i<=ts;i++)
{
show_data(i); //Loop was processed for 5 times to show obtained records.
}
cout<<"--------------------------------------------------------------------------------"<<endl;
cout<<"---------------------------------FINISH-----------------------------------------"<<endl;
cout<<"--------------------------------------------------------------------------------"<<endl;
system("pause");
main(); //Return to main function to again show menu.
}
void edit_student(int idnumber) //function is used to edit existing record.
{
for(int i=0;i<=ts;i++) //Loop is started.
{
if(idnumber==i) //Through loop every value is compared with search term.
{
cout<<"\nExisted information about this record.\n\n";
cout<<"--------------------------------------------------------------------------------"<<endl;
cout<<"ID "<<"Roll "<<"Name "<<"Father\tCell no. "<<"DOB "<<"Address\n\n";
cout<<"--------------------------------------------------------------------------------"<<endl;
show_data(i); //Load information for existing record.
cout<<"\n\nEnter new data for above shown record.\n\n";
get_data(i); //Inputing data for that specific record.
cout<<"\n\nRecord updated successfully."<<endl;
system("pause");
main(); //Return to main function.
}
}
}
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