How to use select tag in struts2?

In Struts 2 , you can use the tag to create a HTML drop down box. The syntaxs are self explanatory, but the “headerKey” and “headerValue“. The “headerKey” is a key for the first item in the drop down list, and the “headerValue” is the value expression for the first item in the drop down list.

How to create dynamic drop down list in struts2?

In order to create a dropdown list in struts2 is used on a jsp page. Just define a action name for displaying a dropdown list having value from database. In action class we define a list, and its getter and setter. and in execute method we add the elements in the list from the database.

Is servlet and JSP outdated?

Servlets and JSPs are considered outdated technologies and no longer chosen for the new projects. These were found in use significantly for legacy projects. Servlet JSPs were used enormously in around 2000. With the popularity of emerging MVC frameworks like Struts, Webwork, Spring etc.

Is JSP still alive?

JSP are becoming non existent. If people are using some view technologies than tags are use but rarely anyone uses JSP to compose pages in the backend in new projects. Servlets are still relevant, the majority of REST frameworks run on top of servlettechnology.

What is alternative of JSP?

In the standard Java EE API, the only alternative to JSP is Facelets. As far now (2010) JSF is the only MVC framework which natively supports Facelets. Spring MVC supports out of the box only JSP, but it has a configurable view resolver which allows you to use Facelets anyway.

How to auto select drop down box value in Struts 2?

To auto select a default value for drop down box, read this artcle : Auto select drop down box value in Struts 2 Struts 2 example A full Struts 2 example to create drop down box via , and populate the select options via Java list and OGNL list, stored the selected values and display it in another page.

What is headerkey and headervalue in Struts 2?

The “ headerKey ” is a key for the first item in the drop down list, and the “ headerValue ” is the value expression for the first item in the drop down list. A full Struts 2 example to create drop down box via , and populate the select options via Java list and OGNL list, stored the selected values and display it in another page.

What is doubleselect> example?

Struts 2 example 11 years ago […] is refer to the second drop down list. The data population is same with the “ ” […] -1 Reply Struts 2 combo box example

Why doesn’t my list auto-select all values in my list?

This is important since if the value returned by your “value” attribute is NOT the same type as the key in the “list” attribute, they WILL NOT MATCH, even though their String values may be equivalent. If they don’t match, nothing in your list will be auto-selected.