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Juan Antonio CantareroJuan Antonio Cantarero 

Show help text when picklist value selected

Dear.
This seems an easy question, but is doesn't. 
What I need is to show additional description about the picklist value selected in an Opportunity field. This description can be in a text field, another picklist, etc.
  • Approach 1: Using a formula in a VisualForce page. This sounds good, but I cannot get the value of the selected item of the custom field in the picklist. Also, I have to replicate this VisualForce on "New", "Edit" pages.
  • Approach 2: using dependant field: this partially works but by default, the selected value is "None". 
  • Approach 3: Using a text formula: but on "New" page, the formula is not calculated when the picklist value is selected. So it doesn't works. 
Any idea? I am very surprised about how SalesForce do not include this basic functionality. 
Thanks.
SwethaSwetha (Salesforce Developers) 
HI Juan,
Can you share the code you have tried in approach 1 so I can check and suggest?

Thanks