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From " Siva Gurusamy" <si...@ivycomptech.com>
Subject Ajax Form Submit
Date Thu, 01 Feb 2007 10:36:42 GMT
HI,

I am having a problem in using ajax in Struts 2 Application.

Can someone explain me how to resolve this issue.

I have a form and an ajax div in the page. On submit of the form I wanted to
reload ajax div. But result was, after doing submit form, 'undefined' text
was appeared in targets (resultDivId) for a second and then browsers url got
changed to form submit url. Hence, the result which needs to appear in
targets(resultDivId) appeared in entire browser.

My Code:

JSP:
<%@taglib prefix="s" uri="/struts-tags" %>
<html>
<head>
    <title>Ajax Examples</title>
    <!--// START SNIPPET: common-include--> 
    <s:head theme="ajax"/>
    <!--// END SNIPPET: common-include-->
</head>

<body>
				<div id="createResult"></div>

				<s:form id="createId" action="createajax"
namespace="/" method="POST" theme="ajax">
					 <s:textfield label="AccountName"
name="accountName"/>
					 <s:submit value="Save" name="Save"
resultDivId="createResult" notifyTopics="topicCreated" theme="ajax"
errorText="Error" showErrorTransportText="true"/>
					 <!--s:submit action="!cancel"
value="Cancel" name="Cancel"
					   onclick="form.onsubmit=null"/-->
				</s:form>
	
				<h1>Users</h1>
			    <s:div
            		id="userlists"
		            cssStyle="border: 200x solid blue"
        		    href="ajaxList.action"
		            theme="ajax"
					delay="1"
		            errorText="There was an fatal error"
        		    showErrorTransportText="true"
					listenTopics="topicCreated"
		            loadingText="Loading users...">Loading...
			    </s:div>

</body>
</html>

Struts.xml
    <package name="example" extends="struts-default" namespace="/">
		<interceptors>
			<interceptor-stack name="ajaxStack">
				<interceptor-ref name="createSession" />
				<interceptor-ref name="exception"/>
                <interceptor-ref name="alias"/>
                <interceptor-ref name="servlet-config"/>
                <interceptor-ref name="prepare"/>
                <interceptor-ref name="i18n"/>
                <interceptor-ref name="chain"/>
                <interceptor-ref name="debugging"/>
                <interceptor-ref name="model-driven"/>
                <interceptor-ref name="fileUpload"/>
                <interceptor-ref name="static-params"/>
                <interceptor-ref name="params"/>
                <interceptor-ref name="conversionError"/>
                <interceptor-ref name="validation">
                    <param
name="excludeMethods">input,back,cancel,browse</param>
                </interceptor-ref>
                <interceptor-ref name="workflow">
                    <param
name="excludeMethods">input,back,cancel,browse</param>
                </interceptor-ref>
			</interceptor-stack>

		</interceptors>

		<default-interceptor-ref name="defaultStack"/>

		<action name="createajax"
class="com.app.view.action.UserAction" method="create">
			<result type="freemarker">createerror.ftl</result>
			<interceptor-ref name="ajaxStack"/>
        </action>
</package>

UserAction.create method

	public String create()	{
		// This is just preparing the form prior to saving the new
user
		actionType = CREATE;
		System.out.println("--------> Going to create new user
(name)=" + accountName);
		User u = new User();
		u.setUserId(userId);
		u.setAccountName(accountName);

		try {
			userService.createUser(u);
		} catch (Exception e)	{
			e.printStackTrace();
			System.out.println("Adding error to
ActionError...");
			//addActionError(e.toString());
		}

		return SUCCESS;
	}

createerror.ftl:
<@s.actionerror />
<@s.fielderror />


Thanks
siva





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