// Begin CREATE CUSTOMER button click event
private void btnCreateCustomer_Click(object sender, EventArgs e)
{
// BEGIN USER INPUT DATA VALIDATION.....
// Verify that PERSONAL information was not left blank
if ((tbx_FirstName.Text == "") || (tbx_LastName.Text == "") || (tbx_PhoneNumber.Text == "") || (tbx_EMail.Text == ""))
{ // If any personal information was blank, display error and break code
ApplicationObjects.DisplayInvalidInput("Please make sure that you have filled out all of the personal fields and try again.");
return;
}
// Verify that MAILING address information was not left blank
if ((tbx_MailingStreetNumber.Text == "") || (tbx_MailingStreetName.Text == "") || (tbx_MailingCity.Text == "") ||
(tbx_MailingState.Text == "") || (tbx_MailingZipCode.Text == ""))
{ // If any mailing address information was blank, display error and break code
ApplicationObjects.DisplayInvalidInput("Please make sure that you have filled out all of the mailing address fields and try again.");
return;
}
// Verify that BILLING address information was not left blank
if ((tbx_BillingStreetNumber.Text == "") || (tbx_BillingStreetName.Text == "") || (tbx_BillingCity.Text == "") ||
(tbx_BillingState.Text == "") || (tbx_BillingZipCode.Text == ""))
{ // If any billing address information was blank, display error and break code
ApplicationObjects.DisplayInvalidInput("Please make sure that you have filled out all of the billing address fields and try again.");
return;
}
// Variable used in TryParse functions
long number;
// Validate numeric input for phone number
if ((!long.TryParse((tbx_PhoneNumber.Text), out number)) || (tbx_PhoneNumber.Text.Length != 10))
{ // If phone number input was not numeric, display error and break code
ApplicationObjects.DisplayInvalidInput("Invalid phone number entered. Please enter 10 digits (no dashes) & try again.");
return;
}
// validate email address format
if (!ApplicationObjects.EmailIsValid(tbx_EMail.Text))
{ // If email address was not in specified format, display error and break code
ApplicationObjects.DisplayInvalidInput("Invalid e-mail address entered. Please try again.");
return;
}
// Validate numeric input for street numbers
if ((!long.TryParse((tbx_MailingStreetNumber.Text), out number)) || (!long.TryParse((tbx_BillingStreetNumber.Text), out number)))
{ // If street number input was not numeric, display error and break code
ApplicationObjects.DisplayInvalidInput("Invalid street number entered. Please enter only numeric values & try again.");
return;
}
// Verify that the state is only 2 characters
if ((tbx_MailingState.Text.Length != 2) || (tbx_BillingState.Text.Length != 2))
{ // If state input does not have only 2 characters, display error and break code
ApplicationObjects.DisplayInvalidInput("Invalid state entered. Please enter a 2-letter state abbreviation & try again.");
return;
}
// Validate numeric input for zip codes
if ((!long.TryParse((tbx_MailingZipCode.Text), out number)) || (!long.TryParse((tbx_BillingZipCode.Text), out number)))
{ // If zip code input was not numeric, display error and break code
ApplicationObjects.DisplayInvalidInput("Invalid zip code entered. Please enter only numeric values & try again.");
return;
}
// If zip is numeric, validate only 5 digits
else if ((tbx_MailingZipCode.Text.Length != 5) || (tbx_BillingZipCode.Text.Length != 5))
{ // If zip code does not have only 5 characters, display error and break code
ApplicationObjects.DisplayInvalidInput("Invalid zip code entered. Please enter only 5 digits & try again.");
return;
}
// .....END USER INPUT DATA VALIDATION
// Populate customer object with user input
Customer customer = new Customer();
customer.FirstName = tbx_FirstName.Text;
customer.LastName = tbx_LastName.Text;
customer.PhoneNumber = tbx_PhoneNumber.Text;
customer.EmailAddress = tbx_EMail.Text;
// Populate mailing address object with user input
Address mailingAddress = new Address();
mailingAddress.PersonId = customer.PersonId;
mailingAddress.StreetNumber = int.Parse(tbx_MailingStreetNumber.Text);
mailingAddress.StreetName = tbx_MailingStreetName.Text;
mailingAddress.AddressCity = tbx_MailingCity.Text;
mailingAddress.AddressState = tbx_MailingState.Text;
mailingAddress.AddressZip = tbx_MailingZipCode.Text;
mailingAddress.AddressType = AddressType.Mailing;
// Populate billing address object with user input
Address billingAddress = new Address();
billingAddress.PersonId = customer.PersonId;
billingAddress.StreetNumber = int.Parse(tbx_BillingStreetNumber.Text);
billingAddress.StreetName = tbx_BillingStreetName.Text;
billingAddress.AddressCity = tbx_BillingCity.Text;
billingAddress.AddressState = tbx_BillingState.Text;
billingAddress.AddressZip = tbx_BillingZipCode.Text;
billingAddress.AddressType = AddressType.Billing;
// Transaction to perform 4 inter-related data inserts on multiple database tables
using (TransactionScope scope = new TransactionScope())
{
int returnValue = 1;
// Write PERSON record to database
BusinessObjects _personBusinessObject = new BusinessObjects();
returnValue = _personBusinessObject.InsertPersonFromCustomer(customer);
if (returnValue == 1)
{ // If insert fails, rollback transaction & display error message
scope.Dispose();
ApplicationObjects.DisplayDataStatus(returnValue);
return;
}
// Write CUSTOMER record to database
BusinessObjects _customerBusinessObject = new BusinessObjects();
returnValue = _customerBusinessObject.InsertCustomer(customer);
if (returnValue == 1)
{ // If insert fails, rollback transaction & display error message
scope.Dispose();
ApplicationObjects.DisplayDataStatus(returnValue);
return;
}
// Write MAILING ADDRESS record to database
BusinessObjects _mailingAddressBusinessObject = new BusinessObjects();
returnValue = _mailingAddressBusinessObject.InsertAddress(mailingAddress);
if (returnValue == 1)
{ // If insert fails, rollback transaction & display error message
scope.Dispose();
ApplicationObjects.DisplayDataStatus(returnValue);
return;
}
// Write BILLING ADDRESS record to database
BusinessObjects _billingAddressBusinessObject = new BusinessObjects();
returnValue = _billingAddressBusinessObject.InsertAddress(billingAddress);
if (returnValue == 1)
{ // If insert fails, rollback transaction & display error message
scope.Dispose();
ApplicationObjects.DisplayDataStatus(returnValue);
return;
}
// Committ data transaction & display success message
scope.Complete();
ApplicationObjects.DisplayDataStatus(returnValue);
}// End transaction
_loginForm.ShowCustomerInfoForm(userAccount, _loginForm);
this.Close();
}