changing from id to ids will get assigned value implicitly. Check the 32 and 33rd slide of the following URL:
http://www.slideshare.net/ihower/rails-best-practices It may useful to you. On Tue, Apr 13, 2010 at 2:59 PM, Rahul Mehta <[email protected]>wrote: > Hiii K Arunmohan > > thanks for reply.. > > i have change id to ids > > but in controller create i can't do the exact same > because me having following code in my controller > > def create > @content_master = ContentMaster.new > @content_master.title = params[:title] > @content_master.abstract_text = params[:abstract_text] > #...@content_master.image_path = imageObject.original_path > @content_master.content_text = params[:content_text] > @content_master.promote= params[:promote] > @content_master.promote_block= params[:promote_block] > @content_master.draft_state= params[:draft_state] > @content_master.parent_id=params[:content_master][:parent_id] > @content_master.tags=params[:content_master][:tag_ids] > > if(params[:order_no_article]=='') > @content_master.order_no_article = 0 > else > @content_master.order_no_article = params[:order_no_article] > end > # @content_master.promote = params[:promote] > > #...@metadata = @content_master.metadata.build(params[:metadata ]) > respond_to do |format| > if @content_master.save > > > and it is still giving the same error.. > > please suggest the solution.. > > thanks > > rahul > > > On Apr 13, 2:21 pm, "K.Arunmohan" <[email protected]> wrote: > > I assume that u r following models: > > > > class ContentMaster < ActiveRecord::Base > > has_and_belongs_to_many :tags > > end > > > > class Tags < ActiveRecord::Base > > has_and_belongs_to_many :content_masters > > end > > > > change ur view as: > > > > <% for tag in Tag.find(:all) %> > > <div> > > <%=check_box_tag "content_master[tag_id*s*][]", tag.id, > > @content_master.tags.include?( > > > > > > > > > tag) %> > > > <%= tag.name %> > > > > > </div> > > > <% end %> > > > > Carefully look on the above code, I have changed tag_id to tag_ids. > > > > Then you have to change the create method as follows: > > def create > > @content_master = ContentMaster.new(params[:content_master]) > > > > > respond_to do |format| > > > if @content_master.save > > > #save images > > > > The above code will perfectly work > > > > On Tue, Apr 13, 2010 at 2:14 PM, Rahul Mehta <[email protected] > >wrote: > > > > > Hiiii, > > > > > I have created one migration.. > > > > > class TagContentMasterJoin < ActiveRecord::Migration > > > def self.up > > > create_table 'content_masters_tags' do |t| > > > t.column 'tag_id', :integer > > > t.column 'content_master_id', :integer > > > t.timestamps > > > end > > > end > > > > > def self.down > > > drop_table 'content_masters_tags' > > > end > > > end > > > for joining two tables > > > and in content_master view new want to save associated tag in the > > > above table for that i have written this code in content_master view > > > new > > > > > <% for tag in Tag.find(:all) %> > > > <div> > > > <%=check_box_tag "content_master[tag_id][]", tag.id, > > > @content_master.tags.include?(tag) %> > > > <%= tag.name %> > > > > > </div> > > > <% end %> > > > > > and in my create function of content master controller following code > > > is present .. > > > def create > > > @content_master = ContentMaster.new > > > @content_master.tags=params[:content_master][:tag_id] > > > respond_to do |format| > > > if @content_master.save > > > #save images > > > and some code here > > > > > but this all giving me this error > > > ActiveRecord::AssociationTypeMismatch in Content > > > mastersController#create > > > > > Tag(#46439460) expected, got String(#21132310) > > > > > RAILS_ROOT: D:/TestingGeek/trunk/Site > > > Application Trace | Framework Trace | Full Trace > > > > > C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.5/lib/active_record/ > > > associations/association_proxy.rb:262:in `raise_on_type_mismatch' > > > C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.5/lib/active_record/ > > > associations/association_collection.rb:320:in `replace' > > > C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.5/lib/active_record/ > > > associations/association_collection.rb:320:in `each' > > > C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.5/lib/active_record/ > > > associations/association_collection.rb:320:in `replace' > > > C:/Ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.5/lib/active_record/ > > > associations.rb:1325:in `tags=' > > > D:/TestingGeek/trunk/Site/app/controllers/ > > > content_masters_controller.rb:64:in `create' > > > > > and in my model code is > > > has_and_belongs_to_many :content_masters > > > has_and_belongs_to_many :tags > > > > > i have give as respective model.. > > > > > please help this is urgent.. > > > > > thanks > > > > > rahul.. > > > > > -- > > > You received this message because you are subscribed to the Google > Groups > > > "Ruby on Rails: Talk" group. > > > To post to this group, send email to [email protected] > . > > > To unsubscribe from this group, send email to > > > [email protected]<rubyonrails-talk%[email protected]> > <rubyonrails-talk%[email protected]<rubyonrails-talk%[email protected]> > > > > > . > > > For more options, visit this group at > > >http://groups.google.com/group/rubyonrails-talk?hl=en. > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]<rubyonrails-talk%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/rubyonrails-talk?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
