SelectedIndexChanged event is not working in asp.net with bootstrap for radio button list

Dear All,
I am working on asp.net web form web application in asp.net with bootstrap. I am facing a problem. SelectedIndexChanged index change is not worked.
Here is my code:
In aspx file:
<asp:RadioButtonList ID="rblstPaymentMode" runat="server" RepeatDirection="Horizontal" AutoPostBack="true" OnSelectedIndexChanged="rblstPaymentMode_SelectedIndexChanged">                                             <asp:ListItem Value="CASH" Text="Cash"></asp:ListItem>                                  ...