InfoPath Dev

 Hi Jimmy  thanks for the reply, Unfortunately,  that did not display the first initial.... only " . LastName"  It is not picking up substring(FullName, 1, 1)   Edit: oddly I changed it to this and it seems to have worked concat(substring(substring-after(Full Name, ","), 1, 2), ". ...

 HI  I am trying to get the First Name initial and Last Name from a drop down list of names in the format "last name, first name". When a user selects a name from the drop down a field should display the "First Name initial and Last Name"  Rabbit, Roger should be R. Rabbit I tried ...