public bool ValidateUserInformation()
{
// BEGIN USER INPUT DATA VALIDATION.....
// Verify that PERSONAL information was not left blank
if ((this.txtFirstName.Text == "") || (this.txtLastName.Text == "") || (this.txtPhoneNumber.Text == "") ||
(this.txtEmailAddress.Text == "") || (this.txtUsername.Text == "") || (this.txtUserPassword.Text == "") ||
(this.txtManagerPassword.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(false);
}
// Variable used in TryParse functions
long number;
// Validate numeric input for phone number
if ((!long.TryParse((txtPhoneNumber.Text), out number)) || (txtPhoneNumber.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(false);
}
// validate email address format
if (!ApplicationObjects.EmailIsValid(txtEmailAddress.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(false);
}
// validate user name
if (!(txtUsername.Text.Length >= 4))
{
ApplicationObjects.DisplayInvalidInput("Invalid username entered. Your username must be four characters or longer.");
return(false);
}
// validate password
if (!(txtUserPassword.Text.Length >= 4))
{
ApplicationObjects.DisplayInvalidInput("Invalid password entered. Your password must be four characters or longer.");
return(false);
}
// .....END USER INPUT DATA VALIDATION
return(true);
}
// 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();
}// End CREATE CUSTOMER button click event
// CUSTOMER SEARCH BUTTON click event
private void btn_CustomerSearch_Click(object sender, EventArgs e)
{
// Make sure all controls are visible
gbx_SearchCriteria.Visible = true;
btn_ViewOrders.Visible = true;
btn_CreateCustomer.Visible = true;
btn_CustomerSearch.Visible = true;;
btn_MainPage.Visible = true;
btn_EnableEditing.Visible = true;
btn_NewOrder.Visible = true;
btn_SaveChanges.Visible = false;
lbl_CustomerResultSort.Visible = false;
//Make all customer data fields read-only by default
MakeReadOnly();
//Reset form to prepare for new search results
ClearResults();
// Verify that a query type was selected by the user
if ((cbx_CustomerSearchType.SelectedItem == null) || (tbx_CustomerSearchInput.Text == null))
{
ApplicationObjects.DisplayInvalidInput("Please make sure all search criterea is filled out.");
return;
}
// SEARCH BY CUSTOMER FIRST NAME - Chech to see if user entered a customer first name
else if (cbx_CustomerSearchType.SelectedItem.ToString() == "First Name")
{
// Generate a list of customers that match the first name entered by the user
customers = ApplicationObjects.GetCustomerByFirstName(tbx_CustomerSearchInput.Text);
// If customer list is empty, display no results found
if (customers == null)
{
lbl_CustomerResultsFound.Text = "No results found!";
}
else
{
// Populate the search results combo box with result first and last names
foreach (Customer customer in customers)
{
cbx_CustomerResultsList.Items.Add(customer.FirstName + " " + customer.LastName);
}
// Change result label to show how results are listed in the results combobox
lbl_CustomerResultSort.Text = "results listed by [first name] [last name]";
lbl_CustomerResultsFound.Text = cbx_CustomerResultsList.Items.Count.ToString() + " results found!";
}
}
// SEARCH BY CUSTOMER LAST NAME - Check to see if user entered a customer last name
else if (cbx_CustomerSearchType.SelectedItem.ToString() == "Last Name")
{
// Generate a list of customers that match the last name entered by the user
customers = ApplicationObjects.GetCustomerByLastName(tbx_CustomerSearchInput.Text);
if (customers == null)
{
lbl_CustomerResultsFound.Text = "No results found!";
}
else
{
// Populate the search results combo box with result last, first names
foreach (Customer customer in customers)
{
cbx_CustomerResultsList.Items.Add(customer.LastName + ", " + customer.FirstName);
}
// Change result label to show how results are listed in the results combobox
lbl_CustomerResultSort.Text = "results listed by [last name], [first name]";
lbl_CustomerResultsFound.Text = cbx_CustomerResultsList.Items.Count.ToString() + " results found!";
}
}
// SEARCH BY CUSTOMER ID - Check to see if user entered a customer ID
else if (cbx_CustomerSearchType.SelectedItem.ToString() == "Customer ID")
{ //if invalid Guid, display error
if (!Guid.TryParse((tbx_CustomerSearchInput.Text), out guidValidation))
{
ApplicationObjects.DisplayInvalidInput("Invalid customer ID. Please try again.");
return;
}
//If valid Guid, continue with search
else
{
// Generate a list of customers that match the customer ID entered by the user
customers = ApplicationObjects.GetCustomerByCustomerId(Guid.Parse(tbx_CustomerSearchInput.Text));
if (customers == null)
{
lbl_CustomerResultsFound.Text = "No results found!";
}
else
{
// Populate the search results combo box with result last, first names
foreach (Customer customer in customers)
{
cbx_CustomerResultsList.Items.Add(customer.CustomerId.ToString());
}
// Change result label to show how results are listed in the results combobox
lbl_CustomerResultSort.Text = "results listed by [customer id]";
lbl_CustomerResultsFound.Text = cbx_CustomerResultsList.Items.Count.ToString() + " results found!";
}
}
}
// SEARCH BY CUSTOMER PHONE NUMBER - Check to see if user entered a customer phone number
else if (cbx_CustomerSearchType.SelectedItem.ToString() == "Phone Number")
{
// Validate numeric input for phone number
if ((!long.TryParse((tbx_CustomerSearchInput.Text), out longValidation)) || (tbx_CustomerSearchInput.Text.Length != 10))
{
ApplicationObjects.DisplayInvalidInput("Invalid phone number entered. Please enter 10 digits (no dashes) & try again.");
return;
}
else
{
// Generate a list of customers that match the phone number entered by the user
customers = ApplicationObjects.GetCustomerByPhoneNumber(tbx_CustomerSearchInput.Text);
// If customer list is empty, display no results found
if (customers == null)
{
lbl_CustomerResultsFound.Text = "No results found!";
}
else
{
// Populate the search results combo box with result last, first names
foreach (Customer customer in customers)
{
cbx_CustomerResultsList.Items.Add(customer.PhoneNumber);
}
// Change result label to show how results are listed in the results combobox
lbl_CustomerResultSort.Text = "results listed by [phone number]";
lbl_CustomerResultsFound.Text = cbx_CustomerResultsList.Items.Count.ToString() + " results found!";
}
}
}
// SEARCH BY CUSTOMER EMAIL ADDRESS - Check to see if user entered a customer email address
else if (cbx_CustomerSearchType.SelectedItem.ToString() == "Email Address")
{
// validate email address format
if (!ApplicationObjects.EmailIsValid(tbx_CustomerSearchInput.Text))
{
ApplicationObjects.DisplayInvalidInput("Invalid e-mail address entered. Please try again.");
return;
}
else
{
// Generate a list of customers that match the email address entered by the user
customers = ApplicationObjects.GetCustomerByEmail(tbx_CustomerSearchInput.Text);
// If customer list is empty, display no results found
if (customers == null)
{
lbl_CustomerResultsFound.Text = "No results found!";
}
else
{
// Populate the search results combo box with result last, first names
foreach (Customer customer in customers)
{
cbx_CustomerResultsList.Items.Add(customer.EmailAddress);
}
// Change result label to show how results are listed in the results combobox
lbl_CustomerResultSort.Text = "results listed by [email address]";
lbl_CustomerResultsFound.Text = cbx_CustomerResultsList.Items.Count.ToString() + " results found!";
}
}
}
// If the customer list is empty (no results found)
if (customers.Count == 0)
{ // Display no results found
lbl_CustomerResultsFound.Text = "No results found!";
return;
}
// If customer list is not empty, display results
else
{
lbl_CustomerResultSort.Visible = true;
cbx_CustomerResultsList.Visible = true;
cbx_CustomerResultsList.SelectedIndex = 0;
//Populate Customer details for first search result
PopulateCustomerDetailsWithSelectedIndex();
}
}
// SAVE CHANGES BUTTON click event - Save changes made to currently selected customer
private void btn_SaveChanges_Click(object sender, EventArgs e)
{
// BEGIN USER INPUT DATA VALIDATION.....
// Verify that PERSONAL information was not left blank
if ((this.tbx_FirstName.Text == "") || (this.tbx_LastName.Text == "") || (this.tbx_PhoneNumber.Text == "") || (this.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 ((this.tbx_MailingStreetNumber.Text == "") || (this.tbx_MailingStreetName.Text == "") || (this.tbx_MailingCity.Text == "") ||
(this.tbx_MailingState.Text == "") || (this.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 ((this.tbx_BillingStreetNumber.Text == "") || (this.tbx_BillingStreetName.Text == "") || (this.tbx_BillingCity.Text == "") ||
(this.tbx_BillingState.Text == "") || (this.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;
}
// Validate numeric input for phone number
if ((!long.TryParse((this.tbx_PhoneNumber.Text), out longValidation)) || (this.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(this.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((this.tbx_MailingStreetNumber.Text), out longValidation)) || (!long.TryParse((this.tbx_BillingStreetNumber.Text), out longValidation)))
{ // 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 ((this.tbx_MailingState.Text.Length != 2) || (this.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((this.tbx_MailingZipCode.Text), out longValidation)) || (!long.TryParse((this.tbx_BillingZipCode.Text), out longValidation)))
{ // 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 ((this.tbx_MailingZipCode.Text.Length != 5) || (this.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
// Take the user input from the text boxes and update the currently selected...
// ...customer's information within the customer object
PopulateCustomerObjectWithDetails();
// Send update request to business layer
int returnValue = ApplicationObjects.UpdateCustomer(customers[cbx_CustomerResultsList.SelectedIndex]);
// Re-run search
if (returnValue == 0)
{ // If update successfull, re-run search based on the customerID of the customer that was just updated
cbx_CustomerSearchType.SelectedIndex = 2;
tbx_CustomerSearchInput.Text = customers[cbx_CustomerResultsList.SelectedIndex].CustomerId.ToString();
}
// Perform search button click to re-populate search results
gbx_SearchCriteria.Visible = true;
btn_ViewOrders.Visible = true;
btn_CreateCustomer.Visible = true;
btn_CustomerSearch.Visible = true;;
btn_MainPage.Visible = true;
btn_EnableEditing.Visible = true;
btn_NewOrder.Visible = true;
btn_SaveChanges.Visible = false;
lbl_CustomerResultSort.Visible = false;
cbx_SameAsMailing.Visible = true;
btn_CustomerSearch.PerformClick();
}