private void btnConfirmTutor_Click(object sender, RoutedEventArgs e)
        {
            // General input handling
            Dictionary <String, String> inputValues = new Dictionary <string, string>();

            inputValues.Add("Social security number", tbxSsn.Text);
            inputValues.Add("First name", tbxFirstName.Text);
            inputValues.Add("Last Name", tbxLastName.Text);
            inputValues.Add("Email", tbxEmail.Text);
            inputValues.Add("Password", tbxRePassword.Password);

            String message;

            if (!InputHandler.IsFieldsFilledOut(out message, inputValues))
            {
                tvm.Status = message;
            }
            else if (!tbxPassword.Password.Equals(tbxRePassword.Password))
            {
                tvm.Status = "Passwords does not match!";
            }
            else
            {
                String hashedPassword = PasswordUtility.HashPassword(tbxPassword.Password);
                tvm.AddTutor(tbxSsn.Text, tbxFirstName.Text, tbxLastName.Text, tbxEmail.Text, hashedPassword);
                ((Panel)this.Parent).Children.Remove(this);
            }
        }
        private void BtnAddToPlannedSessions_Click(object sender, RoutedEventArgs e)
        {
            TutoringSession tmpTs = (TutoringSession)dgAvailableSessions.SelectedItem;

            tvm.AddTutor(tmpTs);
        }