private void btnAdd_Click(object sender, EventArgs e)
        {
            if (txtName.Text != "")
            {
                if (editScreen)
                {
                    editPurpose.setName(txtName.Text);
                    editPurpose.setDescription(txtDescription.Text);
                }
                else
                {
                    btnDelete.Visible = false;
                    Purpose purpose = new Purpose();
                    purpose.setName(txtName.Text);
                    purpose.setDescription(txtDescription.Text);
                    purpose.setId(Program.database.getId());

                    KeyValue parentItem = (KeyValue)cbbParrent.SelectedItem;
                    Purpose parent = Program.database.getPurposeById(Convert.ToInt32(parentItem.key));
                    purpose.setParentId(parent.getId());
                    parent.AddSubComponent(purpose);


                }
                this.receiver.Updater();
                exitform = true;
                this.Close();
            }
            else
            {
                string message = "Het naamveld mag niet leeg zijn!";
                MessageBox.Show(message, "Foutmelding", MessageBoxButtons.OK);
            }
        }