how to populate dropdown on button click on same page and make a directory

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Javascript

Java

JSP

Hello,

this is my code, here i want the textboxvalue to be populated in dropdown list and make a directory of that name.

<tr>
    <td>
        Add to Album
    </td>
    <td>
        <input type="text" name="Album"/>

    </td>
</tr>
<tr>
    <td></td>
    <td> <input type="submit" value="addalbum" /></td>
</tr>
  <tr>
    <td>
        Select Album
    </td>
    <td>
        <%

            String webTempPath = "C:\\Users\\Documents\\NetBeansProjects\\Registrationform\\web\\nameoffolder"+ "\\" + (session.getAttribute("uname"));
            String path = webTempPath.toString();
            File file = new File(webTempPath);
            String[] names = file.list();
            out.println("<select name=\"drplistalbum\">");
            for(String name : names)
            {
                if (new File(webTempPath + '\\' + name).isDirectory())
                {

                    out.println("<option>");
                    out.println(name);
                    out.println("</option>");

                }
            }
             out.println("</select>");
         %>

    </td>
</tr>