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POchange selected value of dynamically generated dropdown list
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  1. POchange selected value of dynamically generated dropdown list
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    copied!<p>I have a dynamic drop down list generated in a JSP page as follow:</p> <pre><code>&lt;table BORDER=4 BORDERCOLOR=ORANGE width="300px"&gt; &lt;tr&gt; &lt;td&gt;Model:&lt;/td&gt; &lt;td&gt;&lt;select name="model" id="model"&gt; &lt;c:forEach items="${model_list}" var="item"&gt; &lt;option value="${item.modelId}"&gt;${item.modelName}&lt;/option&gt; &lt;/c:forEach&gt; &lt;/select&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; </code></pre> <p>I just want to change the selected value of these drop down based on another value that I get from here:</p> <pre><code>&lt;table BORDER=4 BORDERCOLOR=ORANGE width="120px" id="product_table"&gt; &lt;c:forEach items="${product_list}" var="car"&gt; &lt;tr&gt; &lt;td&gt;&lt;INPUT type="checkbox" name="chk_group" value="${car.carId}" /&gt;&lt;/td&gt; &lt;td&gt;&lt;c:out value="${car.carId}" /&gt;&lt;/td&gt; &lt;td&gt;&lt;c:out value="${car.model.modelName}" /&gt;&lt;/td&gt; &lt;td&gt;&lt;c:out value="${car.model.modelId}" /&gt;&lt;/td&gt; &lt;/table&gt; </code></pre> <p>And here's the script:</p> <pre><code>function findRowNumber() { var rowIdx; var rowData = new Array(); var table = document.getElementById('product_table'); var rows = table.getElementsByTagName('tr'); var selectedRow; for ( var i = 0; i &lt; rows.length; i++) { rows[i].onclick = function() { rowIdx = this.rowIndex; selectedRow = rows[rowIdx]; document.getElementById('model').value = selectedRow.cells[3].innerHTML; } } } </code></pre> <p>Note: <code>selectedRow.cells[3].innerHTML</code> returns 3 but the value doesn't change.</p>
 

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