The JavaServer Pages Standard Tag Library (JSTL) is a collection of useful JSP tags which encapsulates the core functionality common to many JSP applications. Evaluate empty or null JSTL c tags . Hello! is not blank), we can assume the task is complete. Re: jstl c:choose & c:when not working 794117 Sep 11, 2006 8:16 PM ( in response to 843838 ) I presume ''PA" is the value you want selected if there is nothing currently selected? ... and returns a boolean value indicating whether or not the expression evaluates to an "empty" value. My controller sends the below, where networks is json array model.addAttribute("approvedNetworksData",networks); My jsp:
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