Using Triggers in update panel

I have a page which contains two update panels. In the first update panel : I have 3 dropdownlist controls: 

In the second update panel i have a check box, on checked changed event of checkbox i want to disable above update panels dropdownlist controls 

Ex: 

< 

asp:UpdatePanel ID=”upCat” runat=”server” UpdateMode=”Conditional”>  

<Triggers> <asp:AsyncPostBackTrigger ControlID=”chkNonCategorisedData” EventName=”CheckedChanged” /> 

</Triggers> 

<ContentTemplate>

</contenttemplate>

</updatepanel>

<updatepanel condition mode=conditional>

<contenttemplate>

< 

asp:CheckBox ID=”chkNonCategorisedData” runat=”server” AutoPostBack=”True” OnCheckedChanged=”chkNonCategorisedData_CheckedChanged”  

TabIndex=”19″ /> 

 </contenttemplate>

</updatepanel> 

EX: 2
I have two update panels in my page. In the first update panel i have gridview with edit command button.
In the second update panel i have different controls . My aim is when i click gridview edit button i have to refresh below controls update panel? 

In the controls update panel add trigger: 

  

<asp:UpdatePanel ID=”locationDetails” runat=”server” UpdateMode=”Conditional”>  

<Triggers>  

<asp:AsyncPostBackTrigger ControlID=”grdLocationDetails” EventName=”RowCommand” />  

</Triggers>  

<ContentTemplate>