//Deleting a student from the student tracker or returns to main menu
public static void DeleteStudent()
{
Console.WriteLine("Enter the first name of the student you wish to delete:");
string deleteInput = Console.ReadLine();
Console.WriteLine("You are deleting all instances of" + deleteInput + ". Is this correct? [Y]es or [N]o");
char answerInput = Console.ReadKey().KeyChar;
if (answerInput == 'Y')
{
foreach (StudentData deleteResult in StudentDataList.Where(s => s.FName.Contains(deleteInput)))
{
StudentDataList.Remove(deleteResult);
}
Console.WriteLine("You have succesfully deleted a student.");
}
else if (answerInput == 'N')
{
StudentDataFunc.DisplayMenu();
}
}
static void Main(string[] args)
{
char choice;
string name;
bool isDone = false;
// The following declaration will build a string of your current directory with the CSV filename
string filePath = Path.Combine(Environment.CurrentDirectory, "StudentDataCSVFile.csv");
try
{
// Loads data from csv file and readies if for processing
LoadData(filePath);
// While user does not QUIT, continually show the menu of options available
while (!isDone)
{
// Displays Menu for user
choice = StudentDataFunc.DisplayMenu();
if (choice == 'F') // Option: FIND
{
// Search List of Students
Console.WriteLine(" ");
Console.WriteLine("Please Enter \r\n [F] to search by student's first name, \r\n [L] to search by student's last or \r\n [T] to search teacher name:");
name = Console.ReadLine().ToUpper();
if (name == "F")
{
searchByFirstName();
break;
}
else if (name == "L")
{
searchByLastName();
break;
}
else if (name == "T")
{
searchByTeacherName();
break;
}
else
{
Console.WriteLine("No matching records found.");
}
Console.WriteLine(" ");
}
else if (choice == 'A') // Option: ADD
{
// Get data from the user to add to the student list
Console.WriteLine(" ");
Console.WriteLine("Enter first name of student to be added:");
string FNameInput = Console.ReadLine();
Console.WriteLine("Enter last name of student to be added:");
string LNameInput = Console.ReadLine();
Console.WriteLine("Enter the last name of the student's teacher:");
string TeacherNameInput = Console.ReadLine();
Console.WriteLine("Enter Quiz 1 score:");
int Quiz1Input = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Enter Quiz 2 score:");
int Quiz2Input = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Enter Quiz 3 score:");
int Quiz3Input = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Enter Quiz 4 score:");
int Quiz4Input = Convert.ToInt32(Console.ReadLine());
StudentDataList.Add(new StudentData(FNameInput, LNameInput, TeacherNameInput, Quiz1Input.ToString(),
Quiz2Input.ToString(), Quiz3Input.ToString(), Quiz4Input.ToString()));
Console.WriteLine(" ");
Console.WriteLine("Your data has been added.");
Console.WriteLine(" ");
}
else if (choice == 'D') // Option: DELETE
{
DeleteStudent();
Console.WriteLine(" ");
}
else if (choice == 'P') // Option: PRINT
{
// Print the student data to the screen
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("Student \tTeacher\tQz 1\tQz 2\tQz 3\tQz 4");
Console.WriteLine("-------- \t-------\t----\t----\t----\t----");
foreach (StudentData item in StudentDataList)
{
Console.WriteLine(item.LName + ", " +
item.FName + "\t" +
item.TeacherName + "\t" +
item.Quiz1 + "\t" +
item.Quiz2 + "\t" +
item.Quiz3 + "\t" +
item.Quiz4);
}
Console.WriteLine();
}
else if (choice == 'Q') // Option: QUIT
{
isDone = true;
}
}
// Save the student data and then set the done flag to exit the while loop
SaveData(filePath);
}
catch (Exception ex)
{
throw new Exception("Your input is invalid.", innerException: ex);
}
}
static void Main(string[] args)
{
char choice;
var p = new Program();
string filePath = @"C:\\Users\\jmrig\\source\\repos\\StudentTracker\\StudentTracker\\StudentDataCSVFile.csv";
bool isDone = false;
//try
//{
while (!isDone)
{
//Loads data from csv file
p.LoadData();
//Displays Menu for user
choice = StudentDataFunc.DisplayMenu();
if (choice == 'F')
{
//Search List of Students
Console.WriteLine(" ");
Console.WriteLine("Please Enter \r\n [F] to search by student's first name, \r\n [L] to search by student's last or \r\n [T] to search teacher name:");
string name = Console.ReadLine().ToUpper();
if (name == "F")
{
searchByFirstName();
break;
}
else if (name == "L")
{
searchByLastName();
break;
}
else if (name == "T")
{
searchByTeacherName();
break;
}
else
{
Console.WriteLine("No matching records found.");
}
Console.WriteLine(" ");
StudentDataFunc.DisplayMenu();
}
else if (choice == 'A')
{
//Add Students to File
using (FileStream fs = new FileStream(@filePath, FileMode.Append))
using (StreamWriter sw = new StreamWriter(fs))
{
Console.WriteLine(" ");
Console.WriteLine("Enter first name of student to be added:");
string FNameInput = Console.ReadLine();
Console.WriteLine("Enter last name of student to be added:");
string LNameInput = Console.ReadLine();
Console.WriteLine("Enter the last name of the student's teacher:");
string TeacherNameInput = Console.ReadLine();
Console.WriteLine("Enter Quiz 1 score:");
int Quiz1Input = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Enter Quiz 2 score:");
int Quiz2Input = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Enter Quiz 3 score:");
int Quiz3Input = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Enter Quiz 4 score:");
int Quiz4Input = Convert.ToInt32(Console.ReadLine());
string textAdd = (FNameInput + "," + LNameInput + "," + TeacherNameInput + "," + Quiz1Input + "," + Quiz2Input + "," + Quiz3Input + "," + Quiz4Input);
sw.WriteLine(filePath, textAdd + Environment.NewLine);
Console.ReadLine();
StudentDataList.Add(new StudentData(FNameInput, LNameInput, TeacherNameInput, Quiz1Input.ToString(),
Quiz2Input.ToString(), Quiz3Input.ToString(), Quiz4Input.ToString()));
//SaveData(ToData());
}
Console.WriteLine("Your data has been added.");
Console.WriteLine(" ");
StudentDataFunc.DisplayMenu();
}
else if (choice == 'D')
{
DeleteStudent();
Console.WriteLine(" ");
StudentDataFunc.DisplayMenu();
}
else if (choice == 'P')
{
foreach (StudentData item in StudentDataList)
{
FileRead(item);
}
StudentDataFunc.DisplayMenu();
}
else if (choice == 'Q')
{
isDone = true;
}
}
//}
//catch (Exception ex)
//{
// throw new Exception("Your input is invalid.", innerException: ex);
//}
}
