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Key fields to use when looking up a field value.
Source position: db.pas line 453
 published property TField.KeyFields : string  | 
KeyFields should contain a semi-colon separated list of field names from the lookupfield's dataset which will be matched to the fields enumerated in LookupKeyFields in the dataset pointed to by the LookupDataset property.
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Names of fields on which to perform a locate  | 
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Dataset with lookup values  |