No.
ALTER VIEW <ViewName> AS
<Select Statement>
How would add column work? You're saying nothing about which table that column comes from. A view's just a saved select statement, it's got no actual storage like a table does.
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability