Retrieve data from database and display it dynamically in the rows of the table using textboxes
<table>
    <tr>
        <td>
            <select name="choice_type">
            <option>select</option>
            <option value="part_type">part_type</option>
            <option value="category">category</option>
            <option value="names">names</option>
            </select>
        </td>
    </tr>
    <tr>
        <th>VAL</th>
        <th>VAL DESC</th>
    </tr>
    <tr>
        <td> <input type="text" name="val"  id="val" size="15" /></td>
        <td> <input type="text" name="val_desc"  id="val_desc" size="15" /></td>
    </tr>
</table>

<input type="submit" name="Query" value="Query" onClick="getData();"/>

function getData(){
    xmlHttp=GetXmlHttpObject()
    var id=document.getElementById("choice_type").value;
    var url="choice_retrieval.jsp";//The code for this file is defined below
    url=url+"?choice_type="+id;
    xmlHttp.onreadystatechange=stateChanged
    xmlHttp.open("GET",url,true)
    xmlHttp.send(null);
}

function stateChanged(){
    if(xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){
    var showdata = xmlHttp.responseText;
    var strar = showdata.split(":");
    if(strar.length>1){
    var strname = strar[1];
    document.getElementById("val").value= strar[1];
    document.getElementById("val_desc").value= strar[2];
   }
}

<%
    String ch = request.getParameter("choice_type").toString();
    System.out.println(ch);
    String data ="";
    try{
        Class.forName("com.mysql.jdbc.Driver");
        Connection con = DriverManager.getConnection("jdbc:mysql://", "", "");
        Statement st=con.createStatement();
        ResultSet rs=st.executeQuery("select * from master_panel where choice_type='"+ch+"'");
        while(rs.next())
        {
            data = ":" + rs.getString("val") + ": " + rs.getString("val_desc");
        }
        out.println(data);
        System.out.println(data);
    }
    catch(Exception e) {
        System.out.println(e);
    }
%>

var table = document.getElementById('tableId');
var data = xmlHttp.responseText.split(":");

for (int i = 0; i < data.length; i + 2)
{
  var valueText = document.createElement('input');
  valueText.type = 'text';
  valueText.name = 'value' + i;
  valueText.value = data[i];

  var valueCell = document.createElement('td');
  valueCell.appendChild(valueText);

  var descriptionText = document.createElement('input');
  descriptionText.type = 'text';
  descriptionText.name = 'value' + i;
  descriptionText.value = data[i + 1];

  var descriptionCell = document.createElement('td');
  descriptionCell.appendChild(descriptionText);

  var tableRow = document.createElement('tr');
  tableRow.appendChild(valueCell);
  tableRow.appendChild(descriptionCell);

  table.tBodies[0].appendChild(tableRow);
}