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In the Form A (Ingreso de Vacantes Disponibles), I make de input of new vacancies.
In the Form B (Vacantes Disponibles) I want to make a filter based on the Form A. Where depending of the item choosed in selectbox ?"Area - Departamento Disponibles" , the selectbox "Nombre de la Vacante" shows the elements that belong to the selectbox "Area - Departamento Disponibles" selected.
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