InfoPath Dev

My dropdownlist is populated dynamically from a SharePoint list using a data connection. A user can have mutliple choices or  just a one choice.  I would like that when he have just one choice in the dropdownlist to select by default this value.   How to achieve my requirement. 

Hi , How to select first entry in an inofpath dropdown list ? Thanks

I have a requirement which consist to connect two infopath form webparts : the first infopath form webpart is for the product's categories and the second one is for the products. The products list have a lookup column that point to the title colum of the product's category list. I use infopath for the both lists and i would like to ...

I have a requirement which consist to connect two infopath form webparts : the first infopath form webpart is for the product's categories and the second one is for the products. The products list have a lookup column that point to the title colum of the product's category list. I use infopath for the both lists and i would like ...