Rails - Apr 2006 - how to perform client side validations in RoR?

Hi,

I have a form for user registration. In that form there are fields for 
password & confirm_password. Now in my database there is column 
corresponding to password field. Now at clicnt side I want to validate 
equality of password & confirm_password field. How to do that?
I have downloaded one password validator plugin & tried to used it. But 
it requirs two seperate fields in database for password & confirm 
passowrd. & I don''t want field for confirm_password in database.
How to
do that?
can we use Some client side validations here? If yes ..how?  please tell 
me.
Thanx in advance.
Prash

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Prashant Tiwari wrote:
> I have a form for user registration. In that form there are fields for 
> password & confirm_password. Now in my database there is column 
> corresponding to password field. Now at clicnt side I want to validate 
> equality of password & confirm_password field. How to do that?
> I have downloaded one password validator plugin & tried to used it. But
> it requirs two seperate fields in database for password & confirm 
> passowrd. & I don''t want field for confirm_password in
database. How to
> do that?
> can we use Some client side validations here? If yes ..how?  please tell 
> me.
You might want to look up validates_confirmation_of

ie.

db users table id, login, password

class User < ActiveRecord::Base
  validates_confirmation_of :password
end

Your controller could be something like:

class UserController < ApplicationController

 def signup
     @user = User.new(params[:user])
     if @user.save
         render_partial ''signup_success''
     else
        render_partial ''signup'', @user
     end
 end

and in your view


<div id="signup_form_area">
<%= form_remote_tag :update => ''signup_form_area'',
        :url => { :controller => ''user_controller'',
:action=> ''signup'' }%>

        <% if !@user.nil? %>
            <%= error_message_on ''user'',
''login'', ''User '' %>
        <% end %>
        <label
for="user_login">username:</label><br/>
        <%= text_field "user", "login", :size => 30
%><br/>

        <% if !@user.nil? %>
            <%= error_message_on ''user'',
''password'', ''Password '' %>
        <% end %>
        <label
for="user_password">password:</label><br/>
        <%= password_field "user", "password", :size
=> 30 %><br/>

        <label for="user_password_confirmation">confirm 
password:</label><br/>
        <%= password_field "user",
"password_confirmation", :size => 30
%><br/>
        <input type="submit" value="add user&#187;"
class="primary" />

    <%= end_form_tag %>
</div>

NOTE: this implementation uses Ajax, but you could easily do w/o.

--
Bryan Buecking

What does this do exactly?

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