private void Register_Button_Click(object sender, EventArgs e)
{
int rowindex = ModulesDataGrid.CurrentCell.RowIndex;
int ModuleNameIndex = 0;
string SelectedModule = ModulesDataGrid.Rows[rowindex].Cells[ModuleNameIndex].Value.ToString();
debug_text.Text = SelectedModule;
studyCourse.AddModules(student.GetStudentID(), SelectedModule);
MessageBox.Show("Je inschrijving is succesvol voltooid!", "Succesvolle inschrijving", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
