TVirtualTableOption Enumeration

Specifies the actions to take on fields data at the time of opening or closing TVirtualTable dataset.

Unit

VirtualTable

Syntax

TVirtualTableOption = (voPersistentData, voStored, voSetEmptyStrToNull, voSkipUnSupportedFieldTypes, voResetAutoInc, voAssignReadOnly, voAssignRequired);

Values

Value	Meaning
voAssignReadOnly	When the Assign or AssignDataSet methods are called, the ReadOnly property of the fields in the source dataset is copied to the corresponding fields in TVirtualTable.
voAssignRequired	When the Assign or AssignDataSet methods are called, the Required property of the fields in the source dataset is copied to the corresponding fields in TVirtualTable.
voPersistentData	Dataset will not dispose of its data at the time of dataset closing.
voResetAutoInc	When the Clear method is called, the initial values of the AutoInc fields are reset.
voSetEmptyStrToNull	During data editing, empty values in string fields are treated as NULL.
voSkipUnSupportedFieldTypes	When calling the Assign or AssignDataSet methods, source fields with unsupported data types are omitted.
voStored	Dataset will keep its data set at design-time in DFM file along with other form's stored properties.