//function for updating records
void Update()
{
//create an instance of the customer book
APhoneLibrary.clsCustomerCollection CustomerBook = new APhoneLibrary.clsCustomerCollection();
//validate the data on the web form
String Error = CustomerBook.ThisCustomer.Valid(txtFirstName.Text, txtHouseNumber.Text, txtDOB.Text, txtPhoneNo.Text, txtPostCode.Text, txtStreetName.Text, txtSurname.Text);
//if the data is OK then add it to the object
if (Error == "")
{
//find the record to update
CustomerBook.ThisCustomer.FirstName = txtFirstName.Text;
CustomerBook.ThisCustomer.HouseNumber = txtHouseNumber.Text;
CustomerBook.ThisCustomer.DOB = Convert.ToDateTime(txtDOB.Text);
CustomerBook.ThisCustomer.PhoneNo = txtPhoneNo.Text;
CustomerBook.ThisCustomer.PostCode = txtPostCode.Text;
CustomerBook.ThisCustomer.StreetName = txtStreetName.Text;
CustomerBook.ThisCustomer.Surname = txtSurname.Text;
//update the record
CustomerBook.Update();
//all done so redirect back to the main page
Response.Redirect("Default.aspx");
}
else
{
//report an error
lblError.Text = "There were problems with the data entered " + Error;
}
}
void DisplayCustomers()
{
//create an instance of the customer collection
APhoneLibrary.clsCustomerCollection Customers = new APhoneLibrary.clsCustomerCollection();
//set the data source to the list of customers in the collection
lstCustomers.DataSource = Customers.CustomerList;
//set the name of the primary key
lstCustomers.DataValueField = "CustomerID";
//set the data field to display
lstCustomers.DataValueField = "Surname";
//bind the data to the list
lstCustomers.DataBind();
}
void DisplayCustomerSurname()
{
//create an instance of the County Collection
APhoneLibrary.clsCustomerCollection CustomerSurnameName = new APhoneLibrary.clsCustomerCollection();
//set the data source to the list of Customer in the collection
ddlSurname.DataSource = CustomerSurnameName.CustomerList;
//set the name of the primary key
ddlSurname.DataValueField = "CustomerID";
//set the data field to display
ddlSurname.DataTextField = "Surname";
//bind the data to the list
ddlSurname.DataBind();
}