Deletes a field expression by index.
procedure DeleteFieldExpression(Index: integer); overload;
The method deletes a field expression by its index in the TCustomEntityDataSet.FieldExpressions list. Also, a field expression can be deleted by its field name using the overloaded DeleteFieldExpression method.
To add new field expression, TCustomEntityDataSet.AddFieldExpression method is used. To clear all dataset field expressions, the TCustomEntityDataSet.ClearFieldExpressions method is used.