static void Main(string[] args) { String path = "D://xyz.txt"; Program obj_pro = new Program(); Console.Clear(); Console.WriteLine("Press 1 FOR ENTERING STUDENTS PROFILE INFORMATION: "); Console.WriteLine(" 2 FOR SEARCHING RECORD: "); Console.WriteLine(" 3 FOR DELETING A RECORD: "); Console.WriteLine(" 4 FOR LISTING TOP 3 STUDENTS: "); Console.WriteLine(" 5 FOR MARKING ATTENDANCE: "); Console.WriteLine(" 6 FOR VIEWING ATTANDANCE: "); String choice = Console.ReadLine(); if (choice == "1") { Student obj = new Student(); obj.getData(); obj.setData(path); } else if (choice == "2") { Console.Clear(); Console.WriteLine("PRESS 1 TO SEARCH BY ID: "); Console.WriteLine(" 2 TO SEARCH BY NAME "); Console.WriteLine(" 3 TO SEARCH BY SEMSTER"); Console.WriteLine("Total Num of Students Are :"); String searchchoice = Console.ReadLine(); if (searchchoice == "1") { Console.WriteLine("Enter ID :"); string id = Console.ReadLine(); obj_pro.searchById(path, id); } else if (searchchoice == "2") { Console.WriteLine("Enter Name :"); string name = Console.ReadLine(); obj_pro.searchByName(path, name); } else if (searchchoice == "3") { Console.WriteLine("Enter Semester :"); string semester = Console.ReadLine(); obj_pro.searchBySemester(path, semester); } else { Console.WriteLine("Invalid choice"); } } }