Newbie needing help with joining 2 fields

I have a sql 2005 dev ed running an application developed in vs.net 2005 C# I have several gridviews which have a field call first name and a field called lastname I need to put both the firstname and lastname in the same cell or colum row. I do not now how to join these. Can some one help me with a SQL query string that will do this for me.You could do SELECT FirstName + ' ' + LastName FROM YourTable|||SELECT FirstName + ' ' + LastName AS FullName
FROM Employees