/// <summary>
/// Reusable method to query data, unlike the example above changes are made in
/// one place in code.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void IncludeStatementsUsingExtensionButton_Click(object sender, EventArgs e)
{
var customerIdentifier = ((CustomerLister)CustomerListBox.SelectedItem).Id;;
using (var context = new NorthwindContext())
{
context.Diagnostics = LogConsoleCheckBox.Checked;
var customer = await context.CustomerPartial(customerIdentifier);
FirstNameTextBox.Text = customer.Contact.FirstName;
LastNameTextBox.Text = customer.Contact.LastName;
ContactTypeTextBox.Text = customer.ContactTypeIdentifierNavigation.ContactTitle;
CountryTextBox.Text = customer.CountryIdentifierNavigation.Name;
}
/*
* Alternate to using an extension method as per above
*/
using (var context = new NorthwindContext())
{
var customer = await CustomerHelpers.CustomerEntityAsync(context, customerIdentifier);
}
}
