Select dropdown event in webbrowser

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C#

automation

Hi friends,

The below html code which i need to select dropdown once done the next dropdown which get name list from web.

<td class="required" colspan="2" width="32%">*ID:</td>
     <td colspan="4">
       <select name="TID" class="pulldown" style="width:120px;" tabIndex="1" onKeyPress="submitEnter(window.event.keyCode,'Val','Status')" onChange="JavaScript:submitData('tid', 'Status')">
         <option value="" > Select a ID </option>


                <option value="ListAction.do?TID=205&FUNCTION=Status&txn=Status"  selected ="selected"  >
                    205
                </option>



                <option value="ListAction.do?TID=331&FUNCTION=Status&txn=Status"  >
                    331
                </option>


     </select>
     </td>


 <tr>



     <td class="required" colspan="2" width="32%">Name:</td>
     <td colspan="4">
       <select name="NameList"  class="pulldown" style="width:300px;" tabIndex="2" onKeyPress="submitEnter(window.event.keyCode,'Val','Status')" onChange="JavaScript:submitData('pr', 'Status')">
         <option value="">Select a Pr </option>


          <option value="205"  >ID only</option>

For this i written code like below

<pre lang="text"> HTMLSelectElementClass iElement = (HTMLSelectElementClass) dropdown.DomElement;
                iElement.value = value;
                //iElement.options[index].selected = true;
                ////mySelect.onchange();
                //iElement.onkeypress();

                object tmp = new object();
                iElement.FireEvent("onchange", ref tmp);
                //iElement.FireEvent("onkeypress", ref tmp);

Select event is not working.. The TID Dropdown is not selecting... Please let me know what issue here?