/// <summary>
/// Event handler to find a customer by their last name.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
/// <remarks>
/// Possibly refactor to a seperate function.
/// </remarks>
protected void btnFindLastName_OnClick(object sender, EventArgs e)
{
// NMeggos
// Define the location of the remote or local db.
// Possibly refactor connection string assigned here to a global constant
// configuration type property.
var tempPath = Server.MapPath("~/App_Data/Accounts.mdb");
var dataLayerObj = new clsDataLayer(tempPath);
try
{
var dsFindLastName = myBusinessLayer.FindCustomer(txtLastName.Text);
// NMeggos
// Check if the returned object has any records returned,
// and assigned to the object. Else apply message to end-user, no records found.
// If true, assign each control the returned value of the object.
if (dsFindLastName.tblCustomers.Rows.Count > 0)
{
txtFirstName.Text = dsFindLastName.tblCustomers[0].FirstName;
txtLastName.Text = dsFindLastName.tblCustomers[0].LastName;
txtLine1.Text = dsFindLastName.tblCustomers[0].Address1;
txtLine2.Text = dsFindLastName.tblCustomers[0].Address2;
txtCity.Text = dsFindLastName.tblCustomers[0].City;
txtState.Text = dsFindLastName.tblCustomers[0].State;
txtPhone.Text = dsFindLastName.tblCustomers[0].PhoneNumber;
lblCustomerId.Text = dsFindLastName.tblCustomers[0].CustomerID.ToString();
Master.UserFeedBack.Text = "Record Found.";
}
else
{
// NMeggos
// If no record is found, display message to client
Master.UserFeedBack.Text = "No records were found!";
}
}
catch (Exception ex)
{
// NMeggos
// If an exception occurs, provide message to client.
// Append the error message to the initial event message.
var message = "Something went wrong: ";
Master.UserFeedBack.Text = $@"{message} {ex.Message}";
}
}
/// <summary>
/// NMeggos
/// Method that will be called on page load in the build page
/// that will bind to the customer list grid.
/// </summary>
/// <returns></returns>
private dsAccounts BindCustomerGridView()
{
// NMeggos
// Path to the Access DB asset.
// New instance of data layer object, passing the connection string for data access.
string tempPath = Server.MapPath("~/App_Data/Accounts.mdb");
clsDataLayer myDataLayer = new clsDataLayer(tempPath);
// NMeggos
// Create a cache of the returned data set of customers.
dsAccounts customerListing = myBusinessLayer.SelectAllCustomers();
// NMeggos
// Bind the returned results assigned to customerListing
// to gvCustomerList
gvCustomerList.DataSource = customerListing.tblCustomers;
gvCustomerList.DataBind();
// NMeggos
// Create the cache object of the page
Cache.Insert("CustomerDataSet", customerListing);
return customerListing;
}