private void guna2GradientCreer_Click(object sender, EventArgs e)
        {
            try
            {
                checkForm();

                Caisse newCaisse = new Caisse
                                   (
                    guna2TxtCompte.Text,
                    int.Parse(guna2TxtMontant.Text),
                    DateTime.Parse(guna2DateTimePickerDateVersement.Text),
                    guna2ComboBoxModePayement.Text,
                    guna2TxtDescription.Text
                                   );

                CaisseBLO caisseBLO = new CaisseBLO(ConfigurationManager.AppSettings["DbFolder"]);

                if (this.oldCaisse == null)
                {
                    caisseBLO.CreateCaisse(newCaisse);
                }
                else
                {
                    caisseBLO.EditCaisse(oldCaisse, newCaisse);
                }

                MessageBox.Show
                (
                    "Cotisation effectuer !",
                    "Confirmation",
                    MessageBoxButtons.OK,
                    MessageBoxIcon.Information
                );

                if (callBack != null)
                {
                    callBack();
                }

                if (oldCaisse != null)
                {
                    Close();
                }

                guna2TxtCompte.Clear();

                guna2TxtDescription.Clear();

                guna2TxtCompte.Focus();
            }
            catch (TypingException ex)
            {
                MessageBox.Show
                (
                    ex.Message,
                    "Typing error",
                    MessageBoxButtons.OK,
                    MessageBoxIcon.Warning
                );
            }
            catch (DuplicateNameException ex)
            {
                MessageBox.Show
                (
                    ex.Message,
                    "Duplicate error",
                    MessageBoxButtons.OK,
                    MessageBoxIcon.Warning
                );
            }
            catch (KeyNotFoundException ex)
            {
                MessageBox.Show
                (
                    ex.Message,
                    "Not found error",
                    MessageBoxButtons.OK,
                    MessageBoxIcon.Warning
                );
            }
            catch (Exception ex)
            {
                ex.WriteToFile();
                MessageBox.Show
                (
                    "An error occurred! Please try again later.",
                    "Erreur",
                    MessageBoxButtons.OK,
                    MessageBoxIcon.Error
                );
            }
        }
 public FrmEnregistrerVersementList()
 {
     InitializeComponent();
     guna2DataGridViewVersement.AutoGenerateColumns = false;
     caisseBLO = new CaisseBLO(ConfigurationManager.AppSettings["DbFolder"]);
 }