A checkbox to check all other checkboxes on the page in asp.net.

 Hi ,
I am looking for some code of how can I create a checkbox on a web page which will select all the other checkboxes on the pages when I select it and vice versa.
Here is an example of other checkboxes on the page:
<td>
<asp:checkbox id='' " runat="server"  text ='' "></asp:checkbox></td>
 
Thanks in advance
Sushim 

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