InfoPath Dev

Thanks Wilkies. That put me in the right direction - I didnt know about that formatting rule. Doing "Number of occurences of field1 > 1" - disabled the control perfectly. However a clear button to set field1 to blank did not re-enable the control (maybe blank is still an occurence?) So I changed it to "Any occurence of field1 ...

Hi, I would like to limit the user to only making one selection on a Multiple Selection List Box. I know I could use a drop down list box - But I like the format of the MSLB because it has the check boxes. Plus my MSLB is connected to a secondary data source and filtered by a previous field selection. The MSLB resizes and formats beautifully and ...