How to access getter/setters from the entity classes

Let me brake my question to two:
1. in My JSP page, I need to get an exception from either the entity or the view class if I insert a duplicate value into the associated table. How can I do that?
2. How can I access the entity's getter/setter functions in the JSP page?
Thank you

Let me brake my question to two:
1. in My JSP page, I need to get an exception from either the entity or the view class if I insert a duplicate value into the associated table. How can I do that?You can mark the attribute as unique key attribute and choose to implement the unique-key validation in the Bc4J side. See help on UniqueKey and how to establish such validation
2. How can I access the entity's getter/setter functions in the JSP page?You cannot access entities directly. You have to expose the accessors via ViewObject Rows and use those Rows from the JSP/or any client side.
Thank you

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