Advantage TDataSet Descendant
Retrieves an 8-byte double value from the given field.
function AdsGetDouble( strFieldName : String ) : Double;
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strFieldName |
Name of the field to retrieve. |
CAUTION It is recommended that this Advantage extended method not be used. Please read the Caution About Extended Methods for more information. The suggested native Delphi method to use instead is: TField.AsFloat. See your Delphi documentation for more information about this native Delphi method.
AdsGetDouble returns the IEEE 64-bit double representation of the value in a numeric, integer, short integer, double, CurDouble, Money, RowVersion, or autoincrement field. This function provides the most precision available in the Advantage Client Engine for retrieving numeric values.
fValue := AdsTable1.FieldByName( ‘Salary’ ).AsFloat;