help with my UPDATE query

I'm receiving this error: Incorrect syntax near the keyword 'SET'

CODE:

Code Snippet

BEGIN
-- SET NOCOUNT ON added to prevent extra result sets from
-- interfering with SELECT statements.
SET NOCOUNT ON;

-- Insert statements for procedure here
UPDATE dbo.pnpcart_Customer_Details
SET dbo.pnpcart_Customer_Details.Prefix = @.Prefix,
SET dbo.pnpcart_Customer_Details.FirstName = @.FirstName,
SET dbo.pnpcart_Customer_Details.MiddleName = @.MiddleName,
SET dbo.pnpcart_Customer_Details.LastName = @.LastName,
SET dbo.pnpcart_Customer_Details.Address = @.Address,
SET dbo.pnpcart_Customer_Details.City = @.City,
SET dbo.pnpcart_Customer_Details.State = @.State,
SET dbo.pnpcart_Customer_Details.Zip = @.Zip,
SET dbo.pnpcart_Customer_Details.HomePhone = @.HomePhone,
SET dbo.pnpcart_Customer_Details.CellPhone = @.CellPhone,
SET dbo.pnpcart_Customer_Details.Email = @.Email
END

Thanks for the help in advanced!

-Thanks,
Rich

Use the following query...(are you forget your where clause, the current query will update all the records in the table)

UPDATE dbo.pnpcart_Customer_Details
SET Prefix = @.Prefix,
FirstName = @.FirstName,
MiddleName = @.MiddleName,
LastName = @.LastName,
Address = @.Address,
City = @.City,
State = @.State,
Zip = @.Zip,
HomePhone = @.HomePhone,
CellPhone = @.CellPhone,
Email = @.Email

Where (logical expression)

|||GREAT! That works perfectly for now. I'm going to have to revamp my code to work with a JOIN along with asp.net grid control.

Thanks,
Rich