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($"| {"(1) STUDENTS",-12} | {"(2) TRAINERS",-12} | {"(3) ASSIGNMENTS",-12} | {"(4) COURSES",-11} | {"(E) RETURN",-9} |");
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("============================================================================");
Console.ForegroundColor = ConsoleColor.White;
userInput = Console.ReadLine();
// Simple SELECT QUERYS
if (userInput == one)
{
sqlStudent MyS1 = new sqlStudent();
MyS1.StudentSelectOutput();
}
else if (userInput == two)
{
sqlTrainer MyT1 = new sqlTrainer();
MyT1.TrainerSelectOutput();
}
else if (userInput == three)
{
sqlAssignment MyA1 = new sqlAssignment();
MyA1.AssignmentSelectOutput();
}
else if (userInput == four)
{
sqlCourse MyC1 = new sqlCourse();
MyC1.CourseSelectOutput();
}
// Exit and Wrong Input Cases
else if (userInput == e)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("EXIT");
Console.ForegroundColor = ConsoleColor.White;
}
else
{
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("Unindentified Input, Please Choose Again");
Console.ForegroundColor = ConsoleColor.White;
}
}
}
public void InsertIntoStudentPerCourse()
{
// Bring the Table STUDENT to see/choose a specific STUDENT KEY
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("#==========================================================================#");
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine($"| EXISTING STUDENTS |");
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("#==========================================================================#");
Console.ForegroundColor = ConsoleColor.White;
sqlStudent MyS2 = new sqlStudent();
MyS2.StudentSelectOutput();
// Input Data
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine($"< TIP: Insert KEY of choosen STUDENT from the Table above >");
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("----------------------------------------------------------------------------");
Console.ForegroundColor = ConsoleColor.White;
Console.Write("Input Student ID: ");
Student_ID = Console.ReadLine();
// Bring the Table COURSES to see/choose a specific COURSE KEY
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("#==========================================================================#");
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine($"| EXISTING COURSES |");
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("#==========================================================================#");
Console.ForegroundColor = ConsoleColor.White;
sqlCourse MyC2 = new sqlCourse();
MyC2.CourseSelectOutput();
// Input Data
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine($"< TIP: Insert KEY of choosen COURSE from the Table above >");
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("----------------------------------------------------------------------------");
Console.ForegroundColor = ConsoleColor.White;
Console.Write("Input Course Title: ");
CourseTitle = Console.ReadLine();
string splInsertStudentCourse = "INSERT INTO CourseStudent(CourseTitle, Student_ID ) " +
"VALUES (@coursetitle, @studentid)";
try
{
using (SqlConnection conn = new SqlConnection(ConnectionString.connection))
{
conn.Open();
using (SqlCommand cmInsert = new SqlCommand(splInsertStudentCourse, conn))
{
cmInsert.Parameters.Add(new SqlParameter("CourseTitle", CourseTitle));
cmInsert.Parameters.Add(new SqlParameter("studentid", Student_ID));
int rowsAffected = cmInsert.ExecuteNonQuery();
// Display A message for the Inserted STUDENT
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("#==========================================================================#");
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine($"| Successful Insertion: {rowsAffected,-30} |");
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("#==========================================================================#");
Console.ForegroundColor = ConsoleColor.White;
// Bring the Table STUDENT/COURSE
sqlStudentsPerCourse MySperC2 = new sqlStudentsPerCourse();
MySperC2.StudentCoursetOutput();
// Display A message for the Inserted STUDENT again
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("#==========================================================================#");
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine($"| Successful Insertion: {rowsAffected,-30} |");
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("#==========================================================================#");
Console.ForegroundColor = ConsoleColor.White;
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
public void InsertIntoStudent()
{
// Display STUDENTS
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("#==========================================================================#");
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine($"| EXISTING STUDENTS |");
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("#==========================================================================#");
Console.ForegroundColor = ConsoleColor.White;
sqlStudent MyS2 = new sqlStudent();
MyS2.StudentSelectOutput();
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine($"< TIP: Insert a 5 Character KEY (example: ST088) >");
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("----------------------------------------------------------------------------");
Console.ForegroundColor = ConsoleColor.White;
Console.Write("Input Student ID: ");
Student_ID = Console.ReadLine();
Console.Write("Input First name: ");
FirstName = Console.ReadLine();
Console.Write("Input Last Name: ");
LastName = Console.ReadLine();
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine($"< TIP: Insert Format YYYY/MM/DD (example: 1988/08/08) >");
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("----------------------------------------------------------------------------");
Console.ForegroundColor = ConsoleColor.White;
Console.Write("Input Date of Birth: ");
BirthDate = Console.ReadLine();
Console.Write("Input Tuition Fees Amount: ");
TuitionFees = Console.ReadLine();
string sqlInsertStudents =
"INSERT INTO Student(Student_ID, FirstName, LastName, BirthDate, TuitionFees) " +
"VALUES (@studentid, @firstname, @lastname, @birthdate, @tuitionfees)";
try
{
using (SqlConnection conn = new SqlConnection(ConnectionString.connection))
{
conn.Open();
using (SqlCommand cmInsert = new SqlCommand(sqlInsertStudents, conn))
{
cmInsert.Parameters.Add(new SqlParameter("studentid", Student_ID));
cmInsert.Parameters.Add(new SqlParameter("firstname", FirstName));
cmInsert.Parameters.Add(new SqlParameter("lastname", LastName));
cmInsert.Parameters.Add(new SqlParameter("birthdate", BirthDate));
cmInsert.Parameters.Add(new SqlParameter("tuitionfees", TuitionFees));
int rowsAffected = cmInsert.ExecuteNonQuery();
// Display A message for the Inserted STUDENT
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("#==========================================================================#");
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine($"| Students Inserted Succesfully: {rowsAffected, -26} |");
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("#==========================================================================#");
Console.ForegroundColor = ConsoleColor.White;
// Bring the Table STUDENT to see our newly Input STUDENT
sqlStudent MyIS1 = new sqlStudent();
MyIS1.StudentSelectOutput();
// Again, Show that the Student was Inserted at the end of the Table STUDENTS
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("#==========================================================================#");
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine($"| Students Inserted Succesfully: {rowsAffected,-26} |");
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine("#==========================================================================#");
Console.ForegroundColor = ConsoleColor.White;
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}