I'm trying to do the following.
The user sets a checkbox or selects a value in a combobox.
In the triggered event I perform some validations to evaluate if the user's action is a valid one.
If it's not I want to set the checkbox or combobox to the previous or other value.
On the event I tried to set an attribute to a given value. In the BSP depending on the attribute's value I define the checked attribute of the checkbox to true or false, but it doesn't change. The user option remains instead of the correct one.
Can this be done?
Thanks in advance.