private void button_Click(object sender, RoutedEventArgs e)
{
choice = (Course)(this.comboBox.SelectedItem);
/**************************************************************************************************
*
* // TO DO - Create code to validate user selection (the choice object)
* // and to display an error or a registation confirmation message accordinlgy
* // Also update the total credit hours textbox if registration is confirmed for a selected course
*
* COMPLETED 12/13/2019 - RH
***************************************************************************************************/
/*******************************RH CODE ADDED FOR PROJECT IN THIS FUNCTION BELOW*******************/
if (this.listBox.Items.Contains(choice) && choice.IsRegisteredAlready())
{
this.textBlock1.Text = "You have already registered for this " + choice.ToString() + " course"; // Add string to custom text block and print it to window.
}
else if (creditHours < 9) // Total credit hours cannot exceed 9 credit hours
{
this.listBox.Items.Add(choice); // Add each select to the output box of course.
choice.SetToRegistered();
creditHours += 3; // Each course has 3 credit hours each and is updated.
this.textBox.Text = Convert.ToString(creditHours); // TextBox is the credit hour text box displayed.
this.textBlock1.Text = "Registration confirmed for course " + choice.ToString(); // Print string when each eligible course is added.
}
else
{
this.textBlock1.Text = "You cannot register for more than 9 credit hours.";
}
}
private void button_Click(object sender, RoutedEventArgs e)
{
choice = (Course)(this.comboBox.SelectedItem);
string courseName = choice.ToString();
switch (validateUserSelection(choice))
{
case 0: //Display error confirmation: Already registered
label3.Content = "You have already registered for this course " + courseName;
break;
case 1: //Display error confirmation: Too many credit hours
label3.Content = "You cannot register for more than 9 credit hours.";
break;
case 2:
choice.SetToRegistered(); //Sets registration bool to true (See ValidateUserSelection function)
listBox.Items.Add(choice); // Display a registration confirmation message
label3.Content = "Registration confirmed for course " + courseName;
TotalCreditHours += 3; // update the total credit hours textbox if registration is confirmed for a selected course
textBox.Text = TotalCreditHours.ToString();
break;
}
}
private void button_Click(object sender, RoutedEventArgs e)
{
//Placed the code in a try statement block
try
{
choice = (Course)(this.comboBox.SelectedItem);
//Message if student clicks button before selection
if (null == choice)
{
label3.Content = "Please make a selection";
return;
}
//Makes sure the student cant register for more than 9 credit hours
if (totalCredit >= 9)
{
label3.Content = "You can not register for more than 9 credit hours";
return;
}
//else statement contains the process of student registering, detecting repeated entries
//and confirming the registration for the selected course
else
{
var isarepeat = false;
foreach (var item in this.listBox.Items)
{
var courseItem = item as Course;
if (null != courseItem)
{
if (courseItem.ToString() == choice.ToString())
{
isarepeat = true;
}
}
}
if (isarepeat)
{
label3.Content = "You are Already Registered for Course " + choice;
}
else
{
this.listBox.Items.Add(choice);
totalCredit = totalCredit + 3;
textBox.Text = totalCredit.ToString();
label3.Content = "Registration Confirmed for Course " + choice;
}
}
}
//End of Try Block
//Catches All Exceptions
catch (Exception exception)
{
label3.Content = exception.Message;
}
}
private void button_Click(object sender, RoutedEventArgs e)
{
choice = (Course)(this.comboBox.SelectedItem);
int creditHours = 0;
String message = "";
// Validate user selection
if (choice.IsRegisteredAlready())
{
message = "Already registered for course: " + choice.ToString();
}
else
{
if (this.textBox.Text != "") // First selection has "" for the Text value.
{
creditHours = int.Parse(this.textBox.Text);
}
if (creditHours >= 9)
{
message = "You cannot register for more than 9 credit hours.";
}
else
{
message = "Registration confirmed for course " + choice.ToString() + ".";
choice.SetToRegistered();
// Update credit hours
creditHours += 3;
this.listBox.Items.Add(choice.ToString());
this.textBox.Text = creditHours.ToString();
}
}
// Display error or confirmation
this.label3.Content = message;
}
private void button_Click(object sender, RoutedEventArgs e)
{
/*int numericalCourseIdentifier = 0;
*
* choice = (Course)(this.comboBox.SelectedItem);
* string chosenCourseName = choice.ToString(); //Retrieves string of course name
*
* numericalCourseIdentifier = IdentifyCourse(chosenCourseName, numericalCourseIdentifier); //Takes the course name and converts it to an integer representative
*
* switch (ValidateUserSelection(numericalCourseIdentifier, firstChoice, secondChoice, thirdChoice, TotalCredits)) //Updates the label3 text based on selection
* {
* case -1:
* label3.Content = chosenCourseName + " is not a recognized course."; //Not really necessary, but I included it just in case
* break;
* case -2:
* label3.Content = "You have already registered for this " + chosenCourseName + " course.";
* break;
* case -3:
* label3.Content = "You cannot register for more than 9 credit hours.";
* break;
* case -4:
* label3.Content = "Registration confirmed for course " + chosenCourseName; //Updates label to confirm registration
*
* TotalCredits += 3;
* textBox.Text = TotalCredits.ToString();
*
* if (firstChoice == 0)
* firstChoice = numericalCourseIdentifier;
* else if (secondChoice == 0)
* secondChoice = numericalCourseIdentifier;
* else if (thirdChoice == 0)
* thirdChoice = numericalCourseIdentifier;
*
* listBox.Items.Add(choice); //Update the listBox with each registration
*
* break;
* }
* choice = (Course)(this.comboBox.SelectedItem);
* string chosenCourseName = choice.ToString(); //Retrieves string of course name
*
* switch (validateSelection(choice))
* {
* case 1:
* label3.Content = "You have already registered for this " + chosenCourseName + " course.";
* break;
* case 2:
* label3.Content = "You cannot register for more than 9 credit hours.";
* break;
* case 0:
* label3.Content = "Registration confirmed for course " + chosenCourseName; //Updates label to confirm registration
* choice.SetToRegistered();
* TotalCredits += 3;
* textBox.Text = TotalCredits.ToString();
* listBox.Items.Add(choice); //Update the listBox with each registration
* break;
* }
* }
*
* int ValidateUserSelection (int choice, int firstChoice, int secondChoice, int thirdChoice, int totalCredit)
* {
* if (choice < 1 || choice > 7)
* return -1;
* else if (choice == firstChoice || choice == secondChoice || choice == thirdChoice)
* return -2;
* else if (totalCredit > 8)
* return -3;
* return -4;
*/
choice = (Course)(this.comboBox.SelectedItem);
string chosenCourseName = choice.ToString(); //Retrieves string of course name
switch (ValidateUserSelection(choice))
{
case 1:
label3.Content = "You have already registered for this " + chosenCourseName + " course.";
break;
case 2:
label3.Content = "You cannot register for more than 9 credit hours.";
break;
case 0:
label3.Content = "Registration confirmed for course " + chosenCourseName; //Updates label to confirm registration
choice.SetToRegistered();
TotalCredits += 3;
textBox.Text = TotalCredits.ToString();
listBox.Items.Add(choice); //Update the listBox with each registration
break;
}
}
