public PdfReport MainTableAdHocColumnsConventions(Action<MainTableAdHocColumnsConventionsBuilder> mainTableAdHocColumnsConventionsBuilder) { var builder = new MainTableAdHocColumnsConventionsBuilder(); mainTableAdHocColumnsConventionsBuilder(builder); DataBuilder.SetAdHocColumnsConventions(builder.PdfRptAdHocColumnsConventions); return this; }