Logical String Concantenation

[Keeyter]

I know how to string two values together but I am having trouble doing the following.

I have a Form based on Customers
Field1 is "Business Name"
Field2 is "Customer First Name"
Field3 is "Customer Last Name"



I am trying to get the following.

If customer is a business then:

Business Name appears from my concantenation

If Customer is a private individual then: (This I know how to do)

Last Name, First Name appears from my concantenation.

I am having trouble with the logical expression. If anyone can help with the expression builder to get this value I would be forever grateful.

[Keeyter]

=IIf(IsNull([Business Name]),[Customer First Name] & " " & [Customer Last Name],[Business Name])

Solved it, big pat on the back to me!!!!!!!!!