How to get the value from a database without submitting a jsp page
I have a jsp which has a text box depending on the value entered I want to get the value from a database for other two fields with out submitting jsp page. I am using struts.
Thanks For any assistance provided.
Alright,here is an example for you for the first case.
Present.jsp:
============
<html:html>
<head>
<title><html:message key="page.title"/></title>
</head>
<body>
<html:form action="ChangeEvent.do">
<html:hidden property="method"/>
<!-- Submitting the Form onKeyUp of EmpId field and trying to save the
state of the Form in the scope of session -->
Emp Id:<html:text property="empId" size="5" onkeyup="if(true){this.form.elements[0].value='populateDetails';this.form.submit();}"/>
Emp Name:<html:text property="empName" size="10" />
Email Address:<html:text property="email" size="10" />
<html:submit>Submit</html:submit>
</html:form>
</body>
</html:html>struts-config.xml:
==================
<?xml version="1.0" encoding="ISO-8859-1" ?>
<!DOCTYPE struts-config PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 1.1//EN" "http://jakarta.apache.org/struts/dtds/struts-config_1_1.dtd">
<struts-config>
<!-- Form bean which stores the properties of all the Form elements -->
<form-beans>
<form-bean name="employeeFormBean" type="org.apache.struts.action.DynaActionForm">
<form-property name="empId" type="java.lang.String"/>
<form-property name="empName" type="java.lang.String"/>
<form-property name="email" type="java.lang.String" />
</form-bean>
</form-bean>
<action-mappings>
<action path="/ChangeEvent" type="Test.GetChangeAction" name="employeeFormBean" scope="request" parameter="method">
<!-- On successful call of DB the Page has to be forwarded to the same page again by
uploading updated form bean values. -->
<forward name="success" path="/Present.jsp"></forward>
<forward name="failed" path="/error.jsp"></forward>
</action>
</action-mappings>
</struts-config>GetChangeAction.java:
=====================
public class GetChangeAction extends DispatchAction{
public ActionForward populateDetails(ActionMapping mapping,ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
DynaActionForm dForm = (DynaActionForm)form;
String empId = dForm.get("empId");
// calling Model / Db and then getting back Employee Details
EmployeeBean eb = ModelUtils.getDetails(empId);
// Updating form bean by updating values from the Model
dForm.set("empName".eb.getEmpName());
dForm.set("email".eb.getEmail());
return mapping.findForward("success");
}well to me this should work regardless to any browser but we need to make sure we put in our logic properly.
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