InfoPath Dev

Can someone please look at my code to see where I went wrong please  xdXDocument:GetDOM("Vision Database")/dfs:myFields/dfs:dataFields/d:ProjectCustomTabFields/@custReimbursibleMaxRateAir[../@WBS1 = xdXDocument:get-DOM()/my:travelRequest/my:JobNumber] 

 Clay   I just shot you an email 

Hello   This may seem like something very easy but I just can't get it working correctly.  I have a text box field and a submit button setup.  The submit button takes the data from the textbox and I want it to check a particular table in a SQL DB, and if the number is there to display some static numbers.    Here ...