Question

How to retain values in a struts jsp page

Asked by: shaan432

I have  a JSP page and have a field called 'Receipt No' which is manually entered. On clicking submit of the page, it checks in the database for a duplicate value and if there, returns to the same jsp page for the user to change the 'Receipt No' value. The problem I am having is that when doing so, I am losing all other values entered in the JSP. Am posting the code snippets I've used.

struts-config.xml
<form-beans>
<form-bean name="addDonationForm" type="com.tpt.dpt.actionforms.AddDonationForm"/>
  </form-beans>
<action-mappings>
         <action path="/dnd/AddDonation"
                      type="com.tpt.dpt.actions.AddDonationAction"
                      name="addDonationForm"
                      parameter="add"
                      scope="request"
                      input="/jsp/DonorAndDonations/addDonation.jsp">
                      <forward name="addDonation" path=".dms.dnd.addDonationForm" ></forward>
    </action>
</action-mappings>

//Action class code below
catch (SQLException ex) {
                ex.printStackTrace();
            System.out.println("Exception is " + ex.getMessage());

              if(ex.getMessage().startsWith("Duplicate entry "))
              {
                 request.setAttribute("dup_flag","1");
                AddDonationForm adForm = (AddDonationForm)form;
                adForm.setAmount("400");      // Pls note that here I was just trying to set the amount value to 400 for testing purpose but was not coming in the page after the forward. Have tried with other fields also but in vain.

                forward = "addDonation";

              }
              else
                    forward = "exception";
      } catch (ParseException ex) {
          ex.printStackTrace();
          forward = "exception";
      }
      return mapping.findForward(forward);
    }

// JSP code
<html:form action="/dnd/AddDonation.do" method="POST" name="frmAddDonation" type="com.tpt.dpt.actionforms.AddDonationForm">
<tr>
          <td class="mylabelcell"  colspan="1">Amount
          <FONT color="#ff0000">&nbsp;*</FONT></td>
          <td class="myfieldcell" colspan="1">
            <html:text property="<%=DmsConstants.AMOUNT%>"/>
          </td>
 </tr>

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Asked On
2010-01-26 at 23:19:32ID25089547
Tags

struts

,

retain jsp values

Topics

Jakarta Struts

,

Java Server Pages (JSP)

,

WebApplications

Participating Experts
2
Points
250
Comments
23

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