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How to make one of 3 radio button to be checked using  jquery.

Posted on 2013-05-21
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Last Modified: 2013-06-07
I have 3 radio buttons like
<asp:radiobutton id="r1" runat="server" Text="Pf"/>
<asp:radiobutton id="r1" runat="server" Text="Pv"/>
<asp:radiobutton id="r1" runat="server" Text="Invalid"/>

I want the user should click atleast once otherwise the message should come.
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Question by:searchsanjaysharma
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sedgwick earned 500 total points
ID: 39186635
add GroupName="radiobuttons" to each on of the asp:radiobutton and use this:
<asp:radiobutton id="r1" runat="server" Text="Pf" GroupName="radiobuttons"/>
<asp:radiobutton id="r1" runat="server" Text="Pv" GroupName="radiobuttons"/>
<asp:radiobutton id="r1" runat="server" Text="Invalid" GroupName="radiobuttons"/>

 if ($("input[name='radiobuttons']:checked").length) {
           // at least one of the radio buttons was checked
      }
      else {
           // no radio button was checked
      }

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by:searchsanjaysharma
ID: 39228356
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