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Let's create a Client-Side validation workflow, step by step.

The validate attribute is set to true.

Some themes do not support client-side validation.

Step 1

Create the form.

Wiki Markup
{snippet:id=clientValidation\|lang=xml\|javadoc=false\|url=action2/apps/showcase/src/main/webapp/validation/quiz-client.jsp}

This case uses the default xhtml theme, so the <saf:head > tag is used to link a style sheet.

Create the Action class.

Wiki Markup
{snippet:id=quizAction\|javadoc=false\|lang=java\|url=action2/apps/showcase/src/main/java/org/apache/struts/action2/showcase/validation/QuizAction.java}

Create the validation.xml to configure the validators to be used.

Wiki Markup
{snippet:id=quizValidators\|javadoc=false\|lang=xml\|url=action2/apps/showcase/src/main/java/org/apache/struts/action2/showcase/validation/QuizAction-validation.xml}