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sandeep reddy 37sandeep reddy 37 

i want know the information on validation rules

i have three pick list fields 1 country 2 state  3 city  i select country state want to chang also 2&3 but  in a diffrent cuntry same states are there also city s witch validation i use   
pconpcon
This is likely going to be to complicated for a validation rule.  Are these dependent picklists?  If they are picklists you can make them dependent picklists by following this article [1].

[1] https://help.salesforce.com/HTViewHelpDoc?id=fields_defining_field_dependencies.htm
jyothsna reddy 5jyothsna reddy 5
Hi Sandeep,

Easy way of acheive this task is by using Dependent Piklist.

Please find the below link for Dependent picklist example.
https://developer.salesforce.com/docs/atlas.en-us.fundamentals.meta/fundamentals/adg_simple_app_adv_field_dependencies_try_it_out.htm

I hopw it will help you.

Regards,
Jyothsna D