How can I prevent the word “null” from appearing in my HTML input text fields when I populate them with a resultset that has null values?
You could make a simple wrapper function, like
Category: JSP
How do I use a scriptlet to initialize a newly instantiated bean?
A jsp:useBean action may optionally have a body. If the body is specified, its contents will be automatically invoked when the specified bean is instantiated. Typically, the body will contain scriptlets or jsp:setProperty tags...
How can I implement a thread-safe JSP page? What are the advantages and Disadvantages of using it?
You can make your JSPs thread-safe by having them implement the SingleThreadModel interface. This is done by adding the directive <%@ page isThreadSafe=”false” %> within your JSP page. With this, instead of a single...
How does JSP handle run-time exceptions?
You can use the errorPage attribute of the page directive to have uncaught run-time exceptions automatically forwarded to an error processing page. For example: <%@ page errorPage=\”error.jsp\” %> redirects the browser to the JSP...
How do I prevent the output of my JSP or Servlet pages from being cached by the browser?
You will need to set the appropriate HTTP header attributes to prevent the dynamic content output by the JSP page from being cached by the browser. Just execute the following scriptlet at the beginning...
Can U explain JSP Life Cycle?
The generated servlet class for a JSP page implements the HttpJspPage interface of the javax.servlet.jsp package. The HttpJspPage interface extends the JspPage interface which inturn extends the Servlet interface of the javax.servlet package. the...
JSP with JSTL : JSP Standard Tag Library
JSTL? Examples JSTL Java Server Pages Standard Tag Library Java Server Pages Standard Tag Library (JSTL) encapsulates as simple tags the core functionality common to many Web applications. JSTL has support for common, structural...
JSP Using Expression Language
What is EL? Creating JSPs with the Expression Language (EL) Understanding the Expression Language Using Implicit Variables in EL Expressions Using EL Operators in JSP Pages Incorporating functions with EL Conclusion EL Examples What...
Custom Tags Using JSP [ Implementing View Helper Design Pattern ]
What is JSP Custom Tags? Overview of Tags Benefits of Custom Tags How to Develop a Custom Tag Developing a Tag Handler Developing the TLD File Including the Tag Library in a JSP Including...
JavaBeans Using JSP [ implementing View Helper Design Pattern ]
What is Component? What is Distributed Component? What is JavaBean? What is Difference between JavaBean and EJB (Enterprise Java Bean )? How JavaBeans can be Used in JSP pages? JavaBean scope setting in Servlet....
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