Hi,
Sorry for the confusion. I thought you wanted to remove an empty line.
In your case what you could do is something like this.
You would create an expression for your First Name field.
You would remove the space in the text box and add it manually if we need it or not.
You could do something like this.
if([Middle Name]="",[First Name], [First Name]&" ")
So if Middle Name is empty then just show the First Name and if Middle Name is not empty it will display the First Name and add a space.
Let me know if that is what you were looking for.
Thanks,
Marc