public void InsertOrUpdate(Customer customer)
{
if (customer.ID == default(int))
{
CustomerCache.Add(customer);
//this.context.Customers.Add(customer);
}
else
{
this.context.Entry(customer).State = EntityState.Modified;
}
}
private void EnsureCacheInitialized()
{
System.Diagnostics.Trace.WriteLine("Listing Customers");
if (CustomerCache == null)
{
CustomerCache = new List <Customer>();
}
foreach (var c in this.context.Customers)
{
CustomerCache.Add(c);
}
}
public static T GetData <T>(string key, Func <T> func)
{
T result = default(T);
if (CustomerCache.Contains(key))
{
result = CustomerCache.Get <T>(key);
}
else
{
result = func.Invoke();
CustomerCache.Add(key, result);
}
return(result);
}
private void mnuEditAdd_Click(object sender, EventArgs e)
{
Customer customer = new Customer()
{
CustomerId = Guid.NewGuid()
};
using (CustomerForm f = new CustomerForm(
customer,
EntityOperation.Add,
new PropertyValueExists(_customerCache.PropertyValueExists)))
{
if (f.ShowDialog() == DialogResult.OK)
{
_customerCache.Add(customer);
Refresh(false);
_unsavedChanges = true;
}
}
}