public void Navigate()
{
while (userInput != e)
{
// NAVIGATION PANEL
Console.ForegroundColor = ConsoleColor.White;
Console.WriteLine("____________________________TYPE TO NAVIGATE________________________________");
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("============================================================================");
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine($"| {"(1) STUDENTS/COURSE",-20} | {"(2) TRAINERS/COURSE",-20} | {"(3) ASSIGNMENTS/COURSE",-26} | " +
$"\n| {"(4) ASSIGNMENTS per COURSE per STUDENT",-43} | {"(E) RETURN",-26} |");
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("============================================================================");
Console.ForegroundColor = ConsoleColor.White;
userInput = Console.ReadLine();
// More Complex SELECT QUERYS
if (userInput == one)
{
sqlStudentsPerCourse MySperC1 = new sqlStudentsPerCourse();
MySperC1.StudentCoursetOutput();
}
else if (userInput == two)
{
sqlTrainersPerCourse MyTperC1 = new sqlTrainersPerCourse();
MyTperC1.TrainerCoursetOutput();
}
else if (userInput == three)
{
sqlAssPerCourse MyAperC1 = new sqlAssPerCourse();
MyAperC1.AssignmentCoursetOutput();
}
else if (userInput == four)
{
sqlAssPerCoursePerStudent MyAperCperS1 = new sqlAssPerCoursePerStudent();
MyAperCperS1.AssCourseStudenttOutput();
}
// Exit and Wrong Input Cases
else if (userInput == e)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("EXIT");
Console.ForegroundColor = ConsoleColor.White;
}
else
{
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("Unindentified Input, Please Choose Again");
Console.ForegroundColor = ConsoleColor.White;
}
}
}
public void InsertIntoTrainersPerCourse()
{
// Bring the Table COURSES to see/choose a specific COURSE KEY
sqlCourse MyIC1 = new sqlCourse();
MyIC1.CourseSelectOutput();
// Input Data
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine($"< TIP: Insert KEY of choosen COURSE from the Table above >");
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("----------------------------------------------------------------------------");
Console.ForegroundColor = ConsoleColor.White;
Console.Write("Input Course Title: ");
CourseTitle = Console.ReadLine();
// Bring the Table TRAINER as Existing TRAINERS
// And ask Input of a new TRAINER
// (That is because a TRAINER can teach ONLY ONE COURSE)
// Display Title for the Table TRAINERS
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("#==========================================================================#");
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine($"| EXISTING TRAINERS |");
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("#==========================================================================#");
Console.ForegroundColor = ConsoleColor.White;
sqlTrainer MyIT1 = new sqlTrainer();
MyIT1.TrainerSelectOutput();
// Display Title for the Table TRAINERS
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("#==========================================================================#");
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine($"| INPUT NEW TRAINER FOR THE CHOOSEN COURSE |");
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("#==========================================================================#");
Console.ForegroundColor = ConsoleColor.White;
// Input Data
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine($"< TIP: Insert a 5 Character KEY (As seen in the above Table) >");
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("----------------------------------------------------------------------------");
Console.ForegroundColor = ConsoleColor.White;
Console.Write("Input Trainer ID: ");
Trainer_ID = Console.ReadLine();
Console.Write("Input First name: ");
FirstName = Console.ReadLine();
Console.Write("Input Last Name: ");
LastName = Console.ReadLine();
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine($"< TIP: The subject description is suggested to match the COURSE previously choosen >");
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("----------------------------------------------------------------------------");
Console.ForegroundColor = ConsoleColor.White;
Console.Write("Input Subject of Teaching: ");
Subject = Console.ReadLine();
string sqlInsertTrainer =
"INSERT INTO Trainer(Trainer_ID, FirstName, LastName, Subject, CourseTitle) " +
"VALUES (@trainerid, @firstname, @lastname, @sub, @coursetitle)";
try
{
using (SqlConnection conn = new SqlConnection(ConnectionString.connection))
{
conn.Open();
using (SqlCommand cmInsert = new SqlCommand(sqlInsertTrainer, conn))
{
cmInsert.Parameters.Add(new SqlParameter("trainerid", Trainer_ID));
cmInsert.Parameters.Add(new SqlParameter("firstname", FirstName));
cmInsert.Parameters.Add(new SqlParameter("lastname", LastName));
cmInsert.Parameters.Add(new SqlParameter("sub", Subject));
cmInsert.Parameters.Add(new SqlParameter("coursetitle", CourseTitle));
int rowsAffected = cmInsert.ExecuteNonQuery();
// Display A message for the Inserted TRAINER
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("#==========================================================================#");
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine($"| Trainers Inserted Succesfully: {rowsAffected,-26} |");
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("#==========================================================================#");
Console.ForegroundColor = ConsoleColor.White;
// Bring the Table TRAINER to see our newly Input TRAINER
sqlTrainer MyNEWIT1 = new sqlTrainer();
MyNEWIT1.TrainerSelectOutput();
// Again, Show that the Trainer was Inserted at the end of the Table TRAINER
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("#==========================================================================#");
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine($"| Trainers Inserted Succesfully: {rowsAffected,-26} |");
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("#==========================================================================#");
Console.ForegroundColor = ConsoleColor.White;
// Bring the Table TRAINER/COURSE to see our newly Input TRAINER
sqlTrainersPerCourse MyTperC1NT = new sqlTrainersPerCourse();
MyTperC1NT.TrainerCoursetOutput();
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
