Right Align text in SQL Server

CREATE FUNCTION PadLeft(@PadString nvarchar(100), @PadLength int)
RETURNS nvarchar(200)
AS
begin
return  replicate(' ',@padlength-len(@PadString)) + @PadStringend
goprint dbo.PadLeft('123.456', 20)
print dbo.PadLeft('1.23', 20)