📚 Student Record Management System

A simple console-based Student Record Management System built in C++ that allows users to sign up, log in, and manage student records (Add, Display, Search, Update, Delete). The data is stored using CSV files.

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🔧 Features

• ✅ User Authentication (Signup/Login using users.txt)
• ➕ Add Student (Roll No, Name, Marks)
• 📋 Display All Students
• 🔍 Search Student by Roll No
• ✏️ Update Student Information
• ❌ Delete Student Record
• 📁 Persistent storage using text and CSV files

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💡 How It Works

🔐 Authentication Flow

1. Signup – Adds a new user to users.txt.
2. Login – Checks credentials from users.txt.
3. Only authenticated users can access the Student Management System.

🧑‍🎓 Student Operations

• All records are stored in student.csv with fields:

  rollno,name,marks,grade
  

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📂 File Structure

.
├── main.cpp            // Main application logic
├── users.txt           // Stores user credentials
├── student.csv         // Stores student records
└── README.md           // Project documentation

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🔄 Menu Options (After Login)

--- Main Menu ---
1. Add Student
2. Display All Students
3. Search Student
4. Update Student
5. Delete Student
6. Exit

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🧪 Example Record

1,sarvesh,85.5,B
2,sarang,92.0,A

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🚀 How to Run

1. Compile:

   g++ main.cpp -o studentApp

2. Run:

   ./studentApp

3. Follow prompts to sign up, log in, and manage student data.

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🛠 Prerequisites

• C++ Compiler (g++, clang++)
• Basic knowledge of file handling in C++

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⚠️ Input Error Handling

• If a non-integer is entered for menu options (like pressing q), the program will detect the error and prompt again instead of crashing or looping infinitely.

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📌 Notes

• Passwords are stored in plaintext (for simplicity); not recommended for real applications.
• student.csv and users.txt are created if they don’t exist.
• Grades are auto-calculated:

  A: 90+
  B: 75–89
  C: 60–74
  D: 40–59
  F: Below 40
  

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🙌 Contributing

Feel free to fork and enhance:

• Add password masking
• Improve file encryption
• Create a GUI using C++ libraries like Qt

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📄 License

This project is open-source and free to use for learning purposes.