//Auto Complete Suggestion in textbox
void autoComplete()
{
RestaurantService restaurantService = new RestaurantService();
ByNameTextBox.AutoCompleteMode = AutoCompleteMode.Suggest;
ByNameTextBox.AutoCompleteSource = AutoCompleteSource.CustomSource;
var autoComplete1 = new AutoCompleteStringCollection();
autoComplete1.AddRange(restaurantService.GetAllByName().ToArray());
ByNameTextBox.AutoCompleteCustomSource = autoComplete1;
ByLocationTextBox.AutoCompleteMode = AutoCompleteMode.Suggest;
ByLocationTextBox.AutoCompleteSource = AutoCompleteSource.CustomSource;
var autoComplete2 = new AutoCompleteStringCollection();
autoComplete2.AddRange(restaurantService.GetAllByLocation().ToArray());
ByLocationTextBox.AutoCompleteCustomSource = autoComplete2;
}