Have you worked right through railstutorial.org already?
Colin
John
It looks ok. Can you post your models/post.rb file, the error message you are getting, the stack trace, and the relevant section of code where the error is generated (I know you have posted this previously but copy it and paste it again just so we have everything together). Tell us which line in the source is the one referred to in the error. Copy from your actual files so we make sure there are no typos. If while doing this you realise that the error is not actually the same one you were getting previously then try to work it out before posting.
Also check that the database does now actually contain the posts table with the correct columns.
Colin
No.I followed yet it from Agile web development with Rails (Pdf).Does
everything seems right with coding part?
It looks ok. Can you post your models/post.rb file,
model/post.rb file looks like:
class Post < ActiveRecord::Base
end
the error message
you are getting, the stack trace, and the relevant section of code
where the error is generated
(I know you have posted this previously
but copy it and paste it again just so we have everything together).
Tell us which line in the source is the one referred to in the error. In /app/view/try.htm…erb file generate error at line number 8
which is
<%= f.text_field :name %>
Copy from your actual files so we make sure there are no typos. If
while doing this you realise that the error is not actually the same
one you were getting previously then try to work it out before
posting.
Also check that the database does now actually contain the posts table
with the correct columns. Posts table exist in database but there is no column for name,title
and content even after “rake db:migrate”,it couldn’t generate.
John
If your migration didn't run, then how do you expect this to work any better than before?
And your previously posted migration code was trying to *create* a
table that apparently already exists, which is pretty much guaranteed
to fail 
You might want to read up on migrations at this point...
FWIW,
>> Also check that the database does now actually contain the posts table >> with the correct columns.
> Posts table exist in database but there is no column for name,title > and content even after "rake db:migrate",it couldn't generate.
If your migration didn't run, then how do you expect this to work any better than before?
But to run a migration "rake db:migrate" is right command ,still it didn't run .why?
And your previously posted migration code was trying to *create* a table that apparently already exists, which is pretty much guaranteed to fail
Yes table already exist but migration didn't run so columns are not added in table.
John
I checked out this and it seems ok with my migration coding part
Active Record Migrations — Ruby on Rails Guides
John
That's what error messages tell you. But you have to read them.
But to run a migration “rake db:migrate” is right command ,still
it didn’t run .why?
That’s what error messages tell you. But you have to read them.
I checked out this and it seems ok with my migration coding part
But to run a migration “rake db:migrate” is right command ,still
it didn’t run .why?
That’s what error messages tell you. But you have to read them.
Problem is solved.