TPSQLDirectQuery.Methods.FieldValueByFieldName

Returns field value by it name.

Syntax:

function FieldValueByFieldName(aFieldName : string) : string;

Description:

Call FieldValueByFieldName to get value of field with name aFieldName in active record.

All field values are returned as strings when using TPSQLDirectQuery component for performance reasons.
NULL field's values are returned as empty string. Use FieldIsNull() method to distinguish empty string values from NULL values.