Ajax Page Methods accessing Dropdown inside a gridview

Hi Experts,

I had a dropdownlist inside a gridview, i need to know how can i get the value of dropdownlist in javascript.
i used the below... but the dropdownlist1 is inside my Gridview1.
var selectedvalue = $get("DropDownList1").value;

please help me how can i do this,,,a dropdown inside a gridview1...
<script type="text/javascript">  
     function Validate() {
   var selectedvalue = $get("DropDownListHWComponent").value;
   PageMethods.Dropdownselectunitcose(selectedvalue,OnSucceeded, OnFailed);
    }
 
function OnSucceeded(value) {
   // Dispaly "thank you."
   alert("success");
}
 
function OnFailed(error) {
   // Alert user to the error.
   alert(error.get_message());
}

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DeathraceAsked:
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tetorvikConnect With a Mentor Commented:
the link below gives you an idea how to access dropdownlist properties with javascript
http://weblogs.asp.net/farazshahkhan/archive/2008/02/27/javascript-enable-disable-dropdown-in-gridview-using-checkboxes.aspx
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