Rails: update nested resource from the view -

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i need form update tasks, belong projects projects view , error 

no route matches [patch] "/projects/1/tasks/1/edit"

this list of routes available

project_tasks_path       /projects/:project_id/tasks(.:format)   tasks#index                      post    /projects/:project_id/tasks(.:format)   tasks#create new_project_task_path        /projects/:project_id/tasks/new(.:format) tasks#new edit_project_task_path       /projects/:project_id/tasks/:id/edit(.:format)  tasks#edit project_task_path        /projects/:project_id/tasks/:id(.:format)   tasks#show                      patch   /projects/:project_id/tasks/:id(.:format)   tasks#update                      put     /projects/:project_id/tasks/:id(.:format)   tasks#update                      delete  /projects/:project_id/tasks/:id(.:format)   tasks#destroy  projects_path       /projects(.:format)     projects#index                      post    /projects(.:format)     projects#create  new_project_path        /projects/new(.:format)     projects#new  edit_project_path       /projects/:id/edit(.:format)    projects#edit  project_path        /projects/:id(.:format)     projects#show                      patch   /projects/:id(.:format)     projects#update                      put     /projects/:id(.:format)     projects#update                      delete  /projects/:id(.:format)     projects#destroy  projects_update_path    post    /projects/update(.:format)  projects#update  projects_add_path   post    /projects/add(.:format)     projects#add                      post    /projects/:project_id/tasks/:id/edit(.:format)  tasks#edit  root_path       /   projects#index

here's view code

<% @projects.each |project| %>  <%= project.name %> <% project.tasks.each |task| %>    <%= task.name %></p>    <%= form_for [task.project, task], url: edit_project_task_path(task.project, task) |f| %>   <%= f.label :name %>   <%= f.text_field :name %>   <%= f.submit "update task" %>   <% end %> <% end %> <% end %>

you're trying submit request edit route.

instead, try using project_task_path(task.project, task) in form_for. rails know send patch request proper route.


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