# AJAX form validation

**URL:** <https://www.ruby-forum.com/t/ajax-form-validation/123489>\
**Category:** Rails\
**Created:** [December 18, 2007, 6:23am UTC](https://www.ruby-forum.com/t/ajax-form-validation/123489 "2007-12-18T06:23:33Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![vapor](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/v/5e9695/32.png) [@vapor](https://www.ruby-forum.com/u/vapor)\
**Post date:** [December 18, 2007, 6:23am UTC](https://www.ruby-forum.com/t/ajax-form-validation/123489/1 "2007-12-18T06:23:33Z")

</div>

I am making simple login form with…

if session[:user] = User.authenticate(params[:user][:login],  
params[:user][:password])  
render :update do |page|  
page.redirect :action =\> ‘index’  
end  
end

in controller but this doesnt seem to work