How to Create combo box to auto fill while user type the spelings inside the combo Box in c#

Question

My friends , I have a combo box in my windows form , i can fill it with data from database , But i cant fill the combo box when the user type letters in side the combo box , As a example when user type the letter "R" in side the combo box and combo box must dropped down and shows the all possibles with the letter "R"

Answer 1

1. Set yourComboBox.AutoCompleteSource to AutoCompleteSource.ListItems; (if your yourComboBox.Items was already filled from the database)
2. Set yourComboBox.AutoCompleteMode to SuggestAppend