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    <p>The main thing to remember here is that when validation fails, struts just renders the jsp page the same as it did when you first entered the page, just with the form fields already populated. Since your jsp page only displays one row, the form only has one row after it gets regenerated after validation.</p> <p>If you want all the rows to show up, you will need to use an s:iterator tag, to iterate over the saved values. Given the fact that you only have one instance of addComponent, and the values of that object are the arrays, you actually need to iterate over one of the attributes of addComponent, but set the name of the form field to the fully qualified object name, including an array index. You use the iterator status object in order to get the index of the array. Try something like the following in place of your dataTable above:</p> <pre><code>&lt;table id="dataTable" border="1"&gt; &lt;s:iterator value="addComponent.partNumber" status="componentStatus"&gt; &lt;tr&gt; &lt;td&gt;&lt;s:checkbox name="test" id="chk" /&gt;&lt;/td&gt; &lt;td&gt;&lt;s:textfield name="addComponent.partNumber[%{#componentStatus.index}]" id="txt" /&gt;&lt;/td&gt; &lt;td&gt;&lt;s:textfield name="addComponent.componentDescription[%{#componentStatus.index}]" id="txt"/&gt;&lt;/td&gt; &lt;td&gt;&lt;s:textfield name="addComponent.quantity[%{#componentStatus.index}]" id="txt"/&gt;&lt;/td&gt; &lt;td&gt;&lt;s:textfield name="addComponent.unitPrice[%{#componentStatus.index}]" id="txt"/&gt;&lt;/td&gt; &lt;td&gt;&lt;s:textfield name="addComponent.totalPrice[%{#componentStatus.index}]" id="txt"/&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/s:iterator&gt; &lt;/table&gt; </code></pre> <p>If that does not work, you may try just playing around with the syntax a bit. Using an iterator is definitely the best way to go here.</p> <p>Here are some more links for some more information.</p> <ul> <li><a href="http://struts.apache.org/2.0.14/docs/iterator.html" rel="nofollow">http://struts.apache.org/2.0.14/docs/iterator.html</a></li> <li><a href="http://www.roseindia.net/struts/struts2/struts2controltags/iterator-tag.shtml" rel="nofollow">http://www.roseindia.net/struts/struts2/struts2controltags/iterator-tag.shtml</a></li> <li><a href="http://www.mkyong.com/struts2/struts-2-iterator-tag-example/" rel="nofollow">http://www.mkyong.com/struts2/struts-2-iterator-tag-example/</a></li> </ul>
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    1. POHow to retain the dynamically generated form fields when the page reloads in struts2?
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    1. USDustin Wilhelmi
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    1. COThanks for the reply Dustin. Sorry for incorrect formatting, this was my first post and I just copied & pasted the code and removed extra spaces and moved all flower brackets in single line to reduce the length. The "addComponent" is not a list, it's object of a POJO of all String arrays for all fields in jsp. I edited the question itself as I don't know how to post remaining codes again,so please refer the question again and help me resolving this either by the way I am trying to implement or suggest me a good way. Thanks.
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    2. COOK, updated my response to match the information you provided. The formatting on the question looks much better now, thanks for updating it. Hope this helps!
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    3. COHi Dustin thanks for the update. I tried as you suggested but still it's not working. If I put just you code in form nothing is coming except 3 buttons when the page loads first time but when I tried using both code a single row will come at first time and I can add multiple rows after submit I can get those multiple rows along with the extra row filled with all data and if I add any extra row or try to delete the existing row it's not happening. Can you tell me what I am doing wrong here? Even I tried replacing String array with List but got the same result. Please help me. Thanks!
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