Function to Proper Case a text string

The following function will capitalise the first letter of each word:

create function ProperCase(@Text as varchar(8000))

returns varchar(8000)

as

begin

   declare @Reset bit;

   declare @Ret varchar(8000);

   declare @i int;

   declare @c char(1);

   select @Reset = 1, @i=1, @Ret = '';

   while (@i <= len(@Text))

    select @c= substring(@Text,@i,1),

               @Ret = @Ret + case when @Reset=1 then UPPER(@c) else LOWER(@c) end,

               @Reset = case when @c like '[a-zA-Z]' then 0 else 1 end,

               @i = @i +1

   return @Ret

end

Credit to the Stack Overflow post here: http://stackoverflow.com/questions/230138/sql-server-make-all-upper-case-to-proper-case-title-case