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RAD Studio VCL Reference
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TFieldDefs.HiddenFields Property
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RAD Studio VCL Reference
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Determines whether to show the extra hidden columns that may be included to ensure unique records.
property HiddenFields: Boolean;
__property Boolean HiddenFields;
When the user performs a live query, the BDE returns extra hidden columns in the query result set. Similarly, pProviders sometimes include extra hidden columns in data packets. These extra columns ensure that each record contains enough information to locate the corresponding record in the underlying database tables.
Setting HiddenFields to true and calling TFieldDefs . ::Update allows these columns to be seen. HiddenFields is primarily for internal use.
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Description