probl;ems with Rails 2.1.0

i just install the Ruby on Rails 2.1.0..... But i faced lots of problem....

is there any way to install Ruby On Rails 2.0.2

thanking you

gem install rails --version=2.0.2

Thankx a lots....

Which version is more better for devolopment...

besically i had done a project on rails2.0.2.. but now a days i got 2.1.0.... but in this version i faced lots of problem... So is there any way to overcome these problem in rauils2.1.0.

Thanking You

Thankx a lots....

Which version is more better for devolopment...

besically i had done a project on rails2.0.2.. but now a days i got 2.1.0.... but in this version i faced lots of problem... So is there any way to overcome these problem in rauils2.1.0.

Short answer: yes. I (and others) have rails 2.1 apps that work just
fine. Without any details about the problems you're having you're
unlikely to get a more helpful answer.

Fred

in some other language have a concept e.i "auto postback"

So, in Ruby on rails is there any such option e.i "auto postback" or same as "auto postback"

basically what i want ot do is that i have 2 select box One for "Industry" and other for "Chemical"

1st we show all the industry in "Industry" select box. if we select any 1 industry from there, then the corrosponding chemicals will b shown in the "chemical" select box...

please help me any one....

THankx