/**
* <summary>
* The Method is to read grade.txt file
* </summary>
* @Method: DisplayMethod
* @return:{void}
*
*/
public static void DisplayMethod()
{
const char DELIM = ',';
string FILENAME = "../../grade.txt";
FileStream inFile = new FileStream(FILENAME, FileMode.Open, FileAccess.Read);
StreamReader reader = new StreamReader(inFile);
Student student = new Student();
string readerString = reader.ReadLine();
string[] fields;
Console.WriteLine("\n{0,-10}{1,-20}{2,-20}{3,-20}{4,-20}\n","LastName","FirstName","#ID","Class","Grade");
while (readerString != null)
{
fields = readerString.Split(DELIM);
student.LastName = fields[0];
student.FirstName = fields[1];
student.StudentId = fields[2];
student.ClassName = fields[3];
student.Grade = fields[4];
Console.WriteLine("{0,-10}{1,-20}{2,-20}{3,-20}{4,-20}",
student.LastName,
student.FirstName,
student.StudentId,
student.ClassName,
student.Grade);
readerString = reader.ReadLine();
}
reader.Close();
inFile.Close();
}
/**
* <summary>
* The Main method for our driver class program
* </summary>
* @constructor:Main
* @param {string[]}args
*/
static void Main(string[] args)
{
string FILENAME = "../../grade.txt";
FileStream outFile = new FileStream(FILENAME, FileMode.Create, FileAccess.Write);
StreamWriter writer = new StreamWriter(outFile);
string[] fName = { "Owen", "John", "Davis" };
string[] lName = {"Carter","Fox","Lorenzo"};
string[] idNumber = { "AB123", "BC223", "MO345" };
string[] className = { "Programming2", "ComputerScience", "JAVA" };
string[] grade = { "A+", "B+", "C" };
for (int i = 0; i < 3; i++)
{
Student student = new Student(lName[i], fName[i], idNumber[i], className[i], grade[i]);
writer.WriteLine(student);
}
/*
Console.WriteLine("Enter LASTNAME of student or end to quit");
student.LastName = Console.ReadLine();
while (student.LastName != "end")
{
Console.WriteLine("Enter FirstName");
student.FirstName = Console.ReadLine();
Console.WriteLine("Enter Student ID");
student.StudentId = Console.ReadLine();
Console.WriteLine("Enter Class Name");
student.ClassName = Console.ReadLine();
Console.WriteLine("Enter Grade");
student.Grade = Console.ReadLine();
writer.WriteLine(student.LastName + DELIM + student.FirstName + DELIM + student.StudentId + DELIM + student.ClassName + DELIM + student.Grade);
Console.WriteLine("Enter LASTNAME of student or end to quit");
student.LastName = Console.ReadLine();
}
* */
writer.Close();
outFile.Close();
try
{
Console.WriteLine("**************************");
Console.WriteLine("*Enter 1 : Display Grades*");
Console.WriteLine("*Enter 2 : Exit *");
Console.WriteLine("**************************");
Boolean cont = true;
if(File.Exists(FILENAME))
{
Console.WriteLine("FILE Does Exist!");
while (cont)
{
switch (Console.ReadKey().Key)
{
case ConsoleKey.D1:
Console.Clear();
Console.WriteLine("* Student Grades Information ************");
DisplayMethod();
break;//while
case ConsoleKey.D2:
cont = false;
break;
}//switch end
}// while end
}
}//try
catch (Exception error)
{
Console.WriteLine("No such File");
Console.WriteLine(error.Message);
}
}
