When renaming a field, can I write an expression that will rename the field. For example, I am trying to create chart reports for a query. Everything is fine except in my bar graph, my legend names or the names of my fields. I want them to be time periods, but these periods will be different because I have the user entering values into parameters. I would like write code so that the name of my query fields is set to the dates the user inputs. Can I do this?