How to use OR condition in query builder wizard

[behnam]

Hi guys,



I have to three fields in my query wizard, lets call them A and B and C. The condition for the query is either A or B is Null and C is Null. Im not sure how to do this though becuase A and B are different fields. I wrote

Is Null

under the criteria of A and B and C, but this specifies that A,b and C is Null, how can I make it so that C must be Null and either A or B or Both. Thanks.

[pbaldy]

As answered elsewhere:

Put that under field A in the first row, under field B in the second row, and under field C in both rows.

[behnam]

By first row are you refering to the criteria row, and second row the or field?

[pbaldy]

Correct, yes.