TDBLookupComboBoxEh represents a combo box that identifies a set of field(s) values in one dataset with a corresponding set of values from another dataset. To understand 'lookup' concepts see Delphi help, Topic - Displaying and editing data in lookup list and combo boxes.
TDBLookupComboboxEh can be of two styles (Style property):
If KeyField, ListField, ListSource, DataField and DataSource properties are empty then you can assign KeyValue and Text values which doesn't affect each other.
Drop down window takes values from dataset that determines by ListSource property.
Drop down list can:
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