Alexey Zvolinskiy in Enterprise Java July 2nd, Drop-down lists are the one of the most frequent elements in web forms. In HTML you can create such control using appropriate tags: Spring MVC tag library has its own solution for the drop-down lists.

In the previous articles about form handling using Spring MVC I have made an overview of cases when we need to bind text field, check-boxes or radio buttons with a java object. Almost all steps will be repeated for the select drop-down list element. Further I will examine three situations with drop-down lists in context of binding it with java object using Spring MVC tag library.

The first case will be about form: Map , the second example will be about usage of form: Every example will have the same result jsp page, so only the form pages will be different and controllers for them. Setup of configuration will be omitted because it was explained in the one of previous articles.

How to set default value to form:select tag in spring - Stack Overflow

HTC, SAMSUNG, IPHONE etc. We can implement this in several ways using the Spring MVC form tag library. In the selectTag method I create a Map with values which will be displayed on page with drop-down. The second method processPhone ModelAttribute Smartphone smartphone will be used as a shared end point for the all examples. As specified in official Spring Documentation you can use any kind of java objects with appropriate getters and setters for the form: The items attribute is typically populated with a collection or array of item objects.

Alternatively, you may specify a Map of items, in which case the map keys are interpreted as option values and the map values correspond to option labels. Each of these examples is convenient in particular situation and should be used rationally. Source code of the tutorial you can find on GitHub. In the very last example, how would you make one of the options for example, HTC the default value?

Congratulations man, but I have one question How to do get the list value on controller class? When I dispatch form to my controller, it arrives null values. OK, this is all over good stuff. But in all of these examples the options are hard-coded. What if, I have a database, and the database takes in values say for ice cream flavors. Right now it has vanilla, chocolate, strawberry, later on someone enters in rocky road.

How would one go about pulling dropdown options from a DB column without hard coding it? All these examples have the options hard coded. Your email address will not be published.

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Java Code Geeks Java Developers Resource Center. Android Android Core Android Games Java Core Java Desktop Java Enterprise Java JVM Languages Ceylon Clojure Groovy JRuby Kotlin Scala Software Development Agile Career Communications DevOps Meta JCG Best Of The Week Misc. Alexey is a test developer with solid experience in automation of web-applications using Java, TestNG and Selenium. He is so much into QA that even after work he provides training courses for junior QA engineers. Do you want to know how to develop your skillset to become a Java Rockstar?

Yu-Cheng Wang July 2nd, at 6: Debojit August 7th, at 7: David December 5th, at 3: Mike February 25th, at Inyavic March 6th, at 1: This is really a well detailed tutorial on form handling. Paulo May 8th, at 7: Ali August 24th, at 5: M Abdul Munaf December 18th, at 3: Thank you very much.

Jack January 22nd, at 4: I want those to populate the drop down list. How do I go about doing that? Leave a Reply Cancel reply Your email address will not be published. Team Lead, Financial Analytics System New York, NY, United States. Python NY, United States. Java Experts Needed Anywhere, California. Courses Examples Resources Tutorials Whitepapers. The Code Geeks Network.

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spring - How to populate a form:select and select a default value? - Stack Overflow

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