static void Main(string[] args)
{
GradeBook GradeBook = new GradeBook();
bool Done = false;
int MaxNumberOfAttempts = 5;
int NumberOfAttempts = 0;
while (!Done)
{
Console.WriteLine("Please enter name of file containing student grades.");
try {
using (FileStream stream = File.Open(Console.ReadLine(), FileMode.Open))
using (StreamReader reader = new StreamReader(stream)) {
string line = reader.ReadLine();
while (line != null)
{
float grade = float.Parse(line);
GradeBook.AddGrade(grade);
line = reader.ReadLine();
}
Console.WriteLine("Student's grades:");
foreach (float grade in GradeBook.GetGrades())
{
Console.WriteLine(grade);
}
Console.WriteLine(GradeBook.Name);
Console.WriteLine("Average grade:" + GradeBook.LetterGrade + " (" + GradeBook.AverageGrade() + ")");
Console.WriteLine("Highest grade:" + GradeBook.HighestGrade());
Console.WriteLine("Lowest grade:" + GradeBook.LowestGrade());
Done = true;
}
} catch (DirectoryNotFoundException ex) {
Console.WriteLine("Invalid entry, please try again.");
} catch (ArgumentException ex) {
Console.WriteLine("Invalid entry, please try again.");
} catch (FileNotFoundException ex) {
Console.WriteLine("Could not find the file grades.txt");
} catch (UnauthorizedAccessException ex) {
Console.WriteLine("You do not have access to grades.txt");
}
NumberOfAttempts++;
if (NumberOfAttempts > MaxNumberOfAttempts)
{
Console.WriteLine("Max number of attempts exceeded, exiting.");
Done = true;
}
}
Console.Read();
}
static void Main(string[] args)
{
GradeBook GradeBook = new GradeBook();
bool Done = false;
int MaxNumberOfAttempts = 5;
int NumberOfAttempts = 0;
while (!Done) {
Console.WriteLine("Please enter name of file containing student grades.");
try {
using (FileStream stream = File.Open(Console.ReadLine(), FileMode.Open))
using (StreamReader reader = new StreamReader(stream)) {
string line = reader.ReadLine();
while (line != null) {
float grade = float.Parse(line);
GradeBook.AddGrade(grade);
line = reader.ReadLine();
}
Console.WriteLine("Student's grades:");
foreach (float grade in GradeBook.GetGrades()) {
Console.WriteLine(grade);
}
Console.WriteLine(GradeBook.Name);
Console.WriteLine("Average grade:" + GradeBook.LetterGrade + " (" + GradeBook.AverageGrade() +")");
Console.WriteLine("Highest grade:" + GradeBook.HighestGrade());
Console.WriteLine("Lowest grade:" + GradeBook.LowestGrade());
Done = true;
}
} catch (DirectoryNotFoundException ex) {
Console.WriteLine("Invalid entry, please try again.");
} catch (ArgumentException ex) {
Console.WriteLine("Invalid entry, please try again.");
} catch (FileNotFoundException ex) {
Console.WriteLine("Could not find the file grades.txt");
} catch (UnauthorizedAccessException ex) {
Console.WriteLine("You do not have access to grades.txt");
}
NumberOfAttempts++;
if (NumberOfAttempts > MaxNumberOfAttempts) {
Console.WriteLine("Max number of attempts exceeded, exiting.");
Done = true;
}
}
Console.Read();
}
