// resulset ResultsetFields fields = new ResultsetFields(1);

// define your new composed field via Expression // Ref: GeneratedCode - Field expressions and aggregates fields.DefineField(new EntityField2("storyname", (ArticleFields.StorySection + " - " + ArticleFields.StoryHead)), 0);

I use this code.Bur my database is Oracle. + is used for mathematical operations at Oracle.So that My program gives me a message like that "Invalid number"

in Oracle || is used to concatanate strings. But I could not use this || in the fields.DefineField. .......

How can I solve my problem? thanks Pinar