I am doing a typical database list, but when I do
<% for m in @private_messages %> (Line 28) It tells me that the method
''each'' is undefined. What''s wrong, I did not call the
method each....
Here''s the error:
Showing app/views/account/mail.rhtml where line #28 raised:
undefined method `each? for #<PrivateMessage:0x408bb830>
Extracted source (around line #28):
25: <th width="69" bgcolor="#F3D54A"
scope="col">Reply </th>
26: <th width="71" bgcolor="#EB7761"
scope="col">Delete </th>
27: </tr>
28: <% for m in @private_messages %>
29: <tr>
etc..
RAILS_ROOT: ../config/..
Application Trace | Framework Trace | Full Trace
#{RAILS_ROOT}/vendor/rails/activerecord/lib/active_record/base.rb:1792:in
`method_missing''
#{RAILS_ROOT}/app/views/account/mail.rhtml:28:in
`_run_rhtml_account_mail''
Thanks for your help and time
--
Posted via http://www.ruby-forum.com/.
My guess is that behind the scenes the interpreter translates the
''in''
construct to ''each'' with a block. A little experimentation
confirms
the guess:
class Foo
def each
puts ''Each called''
end
end
f=Foo.new
for m in f
puts m
end
www-data wrote:> I am doing a typical database list, but when I do
> <% for m in @private_messages %> (Line 28) It tells me that the
method
> ''each'' is undefined. What''s wrong, I did not
call the method each....
> Here''s the error:
> Showing app/views/account/mail.rhtml where line #28 raised:
>
> undefined method `each? for #<PrivateMessage:0x408bb830>
>
> Extracted source (around line #28):
>
> 25: <th width="69" bgcolor="#F3D54A"
scope="col">Reply </th>
> 26: <th width="71" bgcolor="#EB7761"
scope="col">Delete </th>
> 27: </tr>
> 28: <% for m in @private_messages %>
> 29: <tr>
> etc..
>
> RAILS_ROOT: ../config/..
> Application Trace | Framework Trace | Full Trace
>
> #{RAILS_ROOT}/vendor/rails/activerecord/lib/active_record/base.rb:1792:in
> `method_missing''
> #{RAILS_ROOT}/app/views/account/mail.rhtml:28:in
> `_run_rhtml_account_mail''
>
> Thanks for your help and time
>
>
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Ruby has a method where you could do... for example... @private_messages.each do |m| and that would do a for loop, with each object of @private_messages... basically the same thing you''re trying to do with that for loop... I assume the for loop calls the .each method. Is @private_messages an array? or a Hash.. if it isn''t, it won''t have the .each method. www-data-5 wrote:> > I am doing a typical database list, but when I do > <% for m in @private_messages %> (Line 28) It tells me that the method > ''each'' is undefined. What''s wrong, I did not call the method each.... > Here''s the error: > Showing app/views/account/mail.rhtml where line #28 raised: > > undefined method `each? for #<PrivateMessage:0x408bb830> > > Extracted source (around line #28): > > 25: <th width="69" bgcolor="#F3D54A" scope="col">Reply </th> > 26: <th width="71" bgcolor="#EB7761" scope="col">Delete </th> > 27: </tr> > 28: <% for m in @private_messages %> > 29: <tr> > etc.. > > RAILS_ROOT: ../config/.. > Application Trace | Framework Trace | Full Trace > > #{RAILS_ROOT}/vendor/rails/activerecord/lib/active_record/base.rb:1792:in > `method_missing'' > #{RAILS_ROOT}/app/views/account/mail.rhtml:28:in > `_run_rhtml_account_mail'' > > Thanks for your help and time > > -- > Posted via http://www.ruby-forum.com/. > _______________________________________________ > Rails mailing list > Rails@lists.rubyonrails.org > http://lists.rubyonrails.org/mailman/listinfo/rails > >-- View this message in context: http://www.nabble.com/Undefined-method---what-undefined-method-tf2117354.html#a5840069 Sent from the RubyOnRails Users forum at Nabble.com.
Is @private_messages an array? or> a > Hash.. if it isn''t, it won''t have the .each method.It''s an array, or a database query @private_messages = PrivateMessage.find_by_to_and_folder(authemail, folder) -- Posted via http://www.ruby-forum.com/.
You want find_all_by_*. find_by_* does a find(:first). The error message is a giveaway: for #<PrivateMessage:0x408bb830> means it is trying to call .each on a PrivateMessage object, not a list of things. Max On 8/17/06, www-data <www-data@andreas-s.net> wrote:> Is @private_messages an array? or > > a > > Hash.. if it isn''t, it won''t have the .each method. > It''s an array, or a database query @private_messages > PrivateMessage.find_by_to_and_folder(authemail, folder) > > -- > Posted via http://www.ruby-forum.com/. > _______________________________________________ > Rails mailing list > Rails@lists.rubyonrails.org > http://lists.rubyonrails.org/mailman/listinfo/rails >