private void BtnSaveCustomer_Click(object sender, EventArgs e) { var isValidName = ValidateCustomerName(); var isValidMobile = ValidateCustomerMobile(); var isValidAddress = ValidateAddressLine1(); var isValidCity = ValidateCityName(); var isValidState = ValidateStateName(); var isValidCountry = ValidateCountryName(); if (isValidName && isValidMobile && isValidAddress && isValidCity && isValidState && isValidCountry) { var customer = new CreateCustomerDto { Code = null, Name = txtCustomerName.Text, Mobile = txtCustomerMobile.Text, Telephone = txtCustomerTelephone.Text, AddressLine1 = txtAddressLine1.Text, AddressLine2 = txtAddressLine2.Text, City = txtCityName.Text, State = txtStateName.Text, Country = txtCountryName.Text }; if (_customerBUS.SaveCustomer(customer)) { MessageBox.Show("Customer details saved successfully"); ClearFormInputs(); this.Hide(); ManageCustomerForm manageCustomerForm = new ManageCustomerForm(); } else { MessageBox.Show("Details not saved"); } } else { MessageBox.Show("Please enter required details"); } }