From date and toDate query ranges in Report and form X++ code in AX 2012

Below logic can be used for filtering using from date and to date.

dateRange.value(SysQuery::range(FromDate.dateValue(), ToDate.dateValue()));

Form level in the execute query can write the below logic.

QueryBuildRange dateRange = SysQuery::findOrCreateRange(this.queryBuildDataSource(), fieldNum(MyTable, MyDateField));