You're using a select far different than the one I recommended. It's not what you want. If you are unioning, use the same column name.


>tb2 = bundata2.Total12 + bundata2.Total22 + bundata2.Total32 + bundata2.Total42 + bundata2.Total52 + bundata2.Total62 + bundata2.Total72 + bundata2.Total82