private void LoadCustomerToList()
{
TrainingEntities db = new TrainingEntities();
foreach (var item in db.Customers)
{
listBoxCustomer.Items.Add(item.name);
}
}
private void buttonSearch_Click(object sender, EventArgs e)
{
TrainingEntities db = new TrainingEntities();
listBoxCustomer.Items.Clear();
var searchResult = db.Customers.Where(c => c.name.Contains(txtName.Text));
foreach (var item in searchResult)
{
listBoxCustomer.Items.Add(item.name);
}
}