Student Database using File handling
Write a C++ Menu Driven Program to perform Add,Modify,Append and Display in File Handling. Here’s simple Program for Student Database using File handling in C++ Programming Language.
Below is the source code for C++ Program for Student Database using File handling which is successfully compiled and run on Windows System to produce desired output as shown below :
SOURCE CODE : :
/* C++ Program for Student Database using File handling */ #include <iostream> #include <fstream> using namespace std; static int totrec=0; int main() { int choice; while(1) { cout<<"\nChoose your choice :: \n"; cout<<"1) Add New Record\n"; cout<<"2) Append New records\n"; cout<<"3) Modifying or Append new records\n"; cout<<"4) Display records\n"; cout<<"5) Exit\n"; cout<<"\nEnter your choice :: "; cin>>choice; switch (choice) { case 1 : { ofstream outfile; outfile.open("C:\\Users\\acer\\Documents\\file4.txt",ios::out); cout<<"\n\nPlease Enter Details :: \n"; cout<<"\nEnter the name :: "; char name[20]; cin>>name; outfile<<name<<endl; cout<<"\nEnter Age :: "; int age; cin>>age; outfile<<age<<endl; cout<<"\nEnter programming language known :: "; char lang[25]; cin>>lang; outfile<<lang<<endl; totrec= totrec + 1; outfile.close(); } break; case 2 : { ofstream outfile; outfile.open("C:\\Users\\acer\\Documents\\file4.txt",ios::app); cout<<"\n\nPlease Enter Details :: \n"; cout<<"\nEnter the name :: "; char name[20]; cin>>name; outfile<<name<<endl; cout<<"\nEnter Age :: "; int age; cin>>age; outfile<<age<<endl; cout<<"\nEnter programming language known :: "; char lang[25]; cin>>lang; outfile<<lang<<endl; totrec= totrec + 1; outfile.close(); } break; case 3 : { ofstream outfile; outfile.open("C:\\Users\\acer\\Documents\\file4.txt",ios::ate); cout<<"\nWant to add new record ::\nEnter y or n ? "; char ans; cin>>ans; if(ans=='y' || ans=='Y') { cout<<"\n\nPlease Enter Details :: \n"; cout<<"\nEnter the name :: "; char name[20]; cin>>name; outfile<<name<<endl; cout<<"\nEnter Age :: "; int age; cin>>age; outfile<<age<<endl; cout<<"\nEnter programming language known :: "; char lang[25]; cin>>lang; outfile<<lang<<endl; totrec= totrec + 1; } outfile.close(); } break; case 4 : { ifstream infile; infile.open("C:\\Users\\acer\\Documents\\file4.txt",ios::in); const int size=80; char line[size]; int counter=totrec; while(counter > 0) { infile.getline(line,size); cout<<"\n\nNAME : "<<line<<endl; infile.getline(line,size); cout<<"AGE : "<<line<<endl; infile.getline(line,size); cout<<"LANGUAGE : "<<line<<endl; counter--; } infile.close(); } break; case 5 : exit(0); default : cout<<"\nInvalid Choice\nTRY AGAIN.......\n"; } } return 0; }
OUTPUT : :
/* C++ Program for Student Database using File handling */ Choose your choice :: 1) Add New Record 2) Append New records 3) Modifying or Append new records 4) Display records 5) Exit Enter your choice :: 1 Please Enter Details :: Enter the name :: CodezClub Enter Age :: 19 Enter programming language known :: C Choose your choice :: 1) Add New Record 2) Append New records 3) Modifying or Append new records 4) Display records 5) Exit Enter your choice :: 2 Please Enter Details :: Enter the name :: John Enter Age :: 20 Enter programming language known :: C++ Choose your choice :: 1) Add New Record 2) Append New records 3) Modifying or Append new records 4) Display records 5) Exit Enter your choice :: 2 Please Enter Details :: Enter the name :: Max Enter Age :: 21 Enter programming language known :: Java Choose your choice :: 1) Add New Record 2) Append New records 3) Modifying or Append new records 4) Display records 5) Exit Enter your choice :: 4 NAME : CodezClub AGE : 19 LANGUAGE : C NAME : John AGE : 20 LANGUAGE : C++ NAME : Max AGE : 21 LANGUAGE : Java Choose your choice :: 1) Add New Record 2) Append New records 3) Modifying or Append new records 4) Display records 5) Exit Enter your choice :: 5 Process returned 0
Above is the source code for C++ Program for Student Database using File handling which is successfully compiled and run on Windows System.The Output of the program is shown above .
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case 4 :
{
ifstream infile;
infile.open(“C:\\Users\\acer\\Documents\\file4.txt”,ios::in);
const int size=80;
char line[size];
int counter=totrec;
while(counter > 0)
{
infile.getline(line,size);
cout<<"\n\nNAME : "<<line<<endl;
infile.getline(line,size);
cout<<"AGE : "<<line<<endl;
infile.getline(line,size);
cout<<"LANGUAGE : "<<line<<endl;
counter–;
}
infile.close();
}
break;
code not displaying outcome
#include #include using namespace std; static int totrec=0; int main() { int choice; while(1) { cout<<"\nChoose your choice :: \n"; cout<<"1) Add New Record\n"; cout<<"2) Append New records\n"; cout<<"3) Modifying or Append new records\n"; cout<<"4) Display records\n"; cout<<"5) Exit\n"; cout<>choice; switch (choice) { case 1 : { ofstream outfile; outfile.open(“C:\\Users\\acer\\Documents\\file4.txt”,ios::out); cout<<"\n\nPlease Enter Details :: \n"; cout<>name; outfile<<name<<endl; cout<>age; outfile<<age<<endl; cout<>lang; outfile<<lang<<endl; totrec= totrec + 1; outfile.close(); } break; case 2 : { ofstream outfile; outfile.open("C:\\Users\\acer\\Documents\\file4.txt",ios::app); cout<<"\n\nPlease Enter Details :: \n"; cout<>name; outfile<<name<<endl; cout<>age; outfile<<age<<endl; cout<>lang; outfile<<lang<<endl; totrec= totrec + 1; outfile.close(); } break; case 3 : { ofstream outfile; outfile.open("C:\\Users\\acer\\Documents\\file4.txt",ios::ate);… Read more »