private void buttonUpdate_Click(object sender, RoutedEventArgs e) { using (var db = new NorthwindEntities1()) { var CustomerSearch = db.Customers.First(customer => customer.Country == "Finland"); if (CustomerSearch != null) { CustomerSearch.ContactName = textBox01.Text; buttonUpdate.Content = string.Format("Name Updated !!! Now {0}", CustomerSearch.ContactName); } db.SaveChanges(); } }
private void buttonDisplayItems_Click(object sender, RoutedEventArgs e) { using (var db = new NorthwindEntities1()) { var customers = from customer in db.Customers select customer; foreach (var customer in customers) { textBlock01.Text += customer.ContactName + Environment.NewLine; } var CustomerSearch = db.Customers.First(customer => customer.Country == "Finland"); buttonUpdate.Content = string.Format("Update Name : Currently {0}", CustomerSearch.ContactName); } }