private void bEditInfo_Click(object sender, EventArgs e) { PersianDateFormatter pdf = new PersianDateFormatter(); CustomerRepository repository = new CustomerRepository(); Customer customer = repository.getCustomer(customerId); EditCustomerForm editCustomerForm = new EditCustomerForm(customer); var result = editCustomerForm.ShowDialog(); if (result == DialogResult.OK) { CustomerRepository cr = new CustomerRepository(); customer = cr.getCustomer(customerId); lName.Text = customer.FirstName + " " + customer.LastName; lPhoneNumber.Text = "شماره تماس:" + " " + customer.PhoneNumber; lCreatedDate.Text = "تاریخ ایجاد:" + " " + pdf.convert(customer.CreatedDate.Value); if (String.IsNullOrWhiteSpace(customer.Description)) { lDescription.Text = "توضیحات:" + " " + "-"; } else { lDescription.Text = "توضیحات:" + " " + customer.Description; } } }