If you want to avoid postback then write something following Add Button.
In this tutorial, we show you how to use Spring’s form tag “input” to render a HTML textbox to store the “user Name“. Simple Form Controller; import com.mkyong.customer.model. Customer; public class Text Box Controller extends Simple Form Controller Create a form validator class and use the Validation Utils class to make sure the “user Name” is not empty, Otherwise, get the “Name” message from the corresponds resource bundle (properties file). Validation Utils; import org.springframework.validation.
Additionally, add an empty check validator to make sure the textbox value is not empty. package com.mkyong.customer.validator; import org.springframework.validation.