public StudentProfile(Student stud, bool isAdmin, bool IsEdit)
: this(isAdmin)
{
student = stud;
this.studentFirstName_TB.Text = stud.FirstName;
this.studentLastName_TB.Text = stud.LastName;
this.studentID_TB.Text = stud.Student_ID.ToString();
this.studentemail_TB.Text = stud.Email;
this.graduationYear_TB.Text = stud.GraduationYear.ToString();
LoadStudentLearningExperiences();
}
public StudentProfile(Student stud, bool isAdmin, bool IsEdit)
{
InitializeComponent();
if (isAdmin == false)studentNotes_DataGrid.IsEnabled = false;
#if Demo
studentID_TB.Visibility = Visibility.Hidden;
#endif
student = stud;
this.studentFirstName_TB.Text = stud.FirstName;
this.studentLastName_TB.Text = stud.LastName;
this.studentID_TB.Text = stud.Student_ID.ToString();
this.studentemail_TB.Text = stud.Email;
this.graduationYear_TB.Text = stud.GraduationYear.ToString();
LoadStudentLearningExperiences();
}
public StudentProfile(Student stud, bool isAdmin, bool IsEdit)
{
InitializeComponent();
using (PubsDataContext db = new PubsDataContext())
{
servicelearningtype = (from type in db.Service_Learning_Types
select type.Name).AsEnumerable().ToArray();
}
if (isAdmin == false)studentNotes_DataGrid.IsEnabled = false;
#if Demo
studentID_TB.Visibility = Visibility.Hidden;
#endif
student = stud;
this.studentFirstName_TB.Text = stud.FirstName;
this.studentLastName_TB.Text = stud.LastName;
this.studentID_TB.Text = stud.Student_ID.ToString();
this.studentemail_TB.Text = stud.Email;
this.graduationYear_TB.Text = stud.GraduationYear.ToString();
LoadStudentLearningExperiences();
}
private void save_BTN_Click(object sender, RoutedEventArgs e)
{
if (dbMethods.CheckDatabaseConnection())
{
using (PubsDataContext db = new PubsDataContext())
{
if(studentID_TB.Text.Length > 0 && graduationYear_TB.Text.Length > 0)
{
// if there's a problem with the student ID, exit function
if (!student_ID_IntCheck(studentID_TB.Text))
{
return;
}
// if there's a problem with the student's grad year year, exit function
if (!studentGradYearIntCheck(graduationYear_TB.Text))
{
return;
}
var CheckExists = (from s in db.Students
where s.Student_ID == Convert.ToInt32(studentID_TB.Text)
select s);
//if the user does not exist, application will create a new user
if (CheckExists.Count() == 0)
{
student.Student_ID = Convert.ToInt32(studentID_TB.Text);
student.FirstName = studentFirstName_TB.Text;
student.LastName = studentLastName_TB.Text;
student.GraduationYear = Convert.ToInt32(graduationYear_TB.Text);
student.Email = studentemail_TB.Text;
Learning_Experience exp = new Learning_Experience();
exp.Student_ID = Convert.ToInt32(studentID_TB.Text);
db.Students.InsertOnSubmit(student);
db.Learning_Experiences.InsertOnSubmit(exp);
db.SubmitChanges();
LoadStudentLearningExperiences();
}
else //if the student ID is found in the database
{
//save student info after checking that the user did not accidentally change information
Student stud = (from s in db.Students
where s.Student_ID == Convert.ToInt32(studentID_TB.Text)
select s).Single();
//Create a shallow copy to see if indentification info changes
Student studCopy = new Student();
studCopy.Student_ID = stud.Student_ID;
studCopy.FirstName = stud.FirstName;
studCopy.LastName = stud.LastName;
studCopy.GraduationYear = stud.GraduationYear;
studCopy.Email = stud.Email;
//Update student information using input fields
stud.Student_ID = Convert.ToInt32(studentID_TB.Text);
stud.FirstName = studentFirstName_TB.Text;
stud.LastName = studentLastName_TB.Text;
stud.GraduationYear = Convert.ToInt32(graduationYear_TB.Text);
stud.Email = studentemail_TB.Text;
//If the user has changed the basic information in the student profile, make sure
// that was intentional before updating.
if (!(studCopy.Student_ID == stud.Student_ID &&
studCopy.FirstName == stud.FirstName &&
studCopy.LastName == stud.LastName &&
studCopy.GraduationYear == stud.GraduationYear &&
studCopy.Email == stud.Email))
{
bool check = overwriteCheck(studCopy);
if (!check){ //If it was a mistake, don't save changes
return;
}
}
student = stud; // fills in this window's student information
//saves experience by calling the save experiences button event
learningExperienceSave();
db.SubmitChanges();
LoadStudentLearningExperiences(); // reloads student information into the window
}
}
else
{
MessageBox.Show(
"SLApp apologizes for the inconvenience, but at this time all fields must contain data before saving.",
"Save Error!", MessageBoxButton.OK, MessageBoxImage.Error);
}
//this.Close();
}
}
}
/*Added to address SLApp bug fix B, upon which SlApp occasionally crashes when
* the user creates a student profile which contains no service learning experiences */
private bool overwriteCheck(Student stud)
{
// Prompt the user with a yes/no message box.
string message =
"Are you sure you want to change identification information for the following student?\n\nName: "
+ stud.FirstName + " " + stud.LastName + "\nID: " + stud.Student_ID + "\nGrad Year: "
+ stud.GraduationYear + "\nEmail: " + stud.Email;
const string caption = "Confirm overwrite?";
System.Windows.Forms.DialogResult result = System.Windows.Forms.MessageBox.Show(message, caption,
System.Windows.Forms.MessageBoxButtons.YesNo,
System.Windows.Forms.MessageBoxIcon.Question);
switch (result)
{
case System.Windows.Forms.DialogResult.Yes: return true;
default: return false;
}
}
partial void DeleteStudent(Student instance);
partial void UpdateStudent(Student instance);
partial void InsertStudent(Student instance);