If you read the Rails Guides you will find much useful information. However I suggest that first you work right through a good tutorial such as railstutorial.org (which is free to use online) which will show you the basics of Rails. Then you will be able to answer such questions yourself.
Colin On 23 April 2018 at 11:58, nyt1972 <nyt1...@gmail.com> wrote: > Hello, > > Below are my Models and Tables/Migrations and I want Query Code based on > them > > Model: FinanceFeeCategory > Table: finance_fee_categories > Fields: id,name,batch_id > > Model: FinanceFeeParticular > Table: finance_fee_particulars > Fields: id,finance_fee_category_id,student_category_id,admission_no,batch_id, > due_date > > Model: Batch > Table: batches > Fields: id, name > > > > > Relationships: > > class FinanceFeeCategory < ActiveRecord::Base > belongs_to :batch > belongs_to :student > # > has_many :fee_particulars, :class_name => "FinanceFeeParticular" > has_many :fee_discounts > has_many :batches,:through=>:category_batches > has_many :category_batches > > class FinanceFeeParticular < ActiveRecord::Base > belongs_to :finance_fee_category > belongs_to :student_category > belongs_to :receiver,:polymorphic=>true > belongs_to :batch > has_many :fee_discounts > > > class Batch < ActiveRecord::Base > > belongs_to :course > > has_many :students > has_many :fee_category , :class_name => "FinanceFeeCategory" > > > I am Using Rails 2.3.5 and Ruby 1.8.7 > > Now I have a Dropdown filled with batches I want to populate another > Dropdown with Fee Categories based on the > Batch selected > > And then a 3rd dropdown with Particulars based on the Category selected > > and the need a Query to get all the Students admission_no > based the Due_date if less the Currenct Date for Each the Particular I > select from drop down. > > Pls someone help me in this. > > Thanks in advance. > > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to rubyonrails-talk+unsubscr...@googlegroups.com. > To post to this group, send email to rubyonrails-talk@googlegroups.com. > To view this discussion on the web visit https://groups.google.com/d/ > msgid/rubyonrails-talk/5781dc46-d3ce-4994-8e05- > 74104416746e%40googlegroups.com > <https://groups.google.com/d/msgid/rubyonrails-talk/5781dc46-d3ce-4994-8e05-74104416746e%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to rubyonrails-talk+unsubscr...@googlegroups.com. To post to this group, send email to rubyonrails-talk@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/CAL%3D0gLtGtP6wbOV4ntfOBnKjdhJp-AVpCzgtxW7DqfZFt_d3Pw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
