C# DoPostBack Function Is Not Appearing In The Html Code?

Oct 5, 2010

I have a form with multiple dropdownlist and each list has onselectedindexchanged defined.

<asp:DropDownList ID="SPR" runat="server" OnSelectedIndexChanged="Reload_OnSelectedIndexChanged" AutoPostBack="true">
<asp:ListItem Text="1 day" Value="1:D"></asp:ListItem>
<asp:ListItem Text="5 days" Value="5:D"></asp:ListItem>
<asp:ListItem Text="1 month" Value="1:M"></asp:ListItem>
<asp:ListItem Text="3 months" Value="3:M"></asp:ListItem>
<asp:ListItem Text="6 months" Value="6:M"></asp:ListItem>
<asp:ListItem Text="1 year" Value="1:Y"></asp:ListItem>
<asp:ListItem Text="2 years" Value="2:Y"></asp:ListItem>
</asp:DropDownList>

So when I run the page I expect to receive the postbackcode and the select code with the onchange property defined.

When I invoke the pages in Explorer, Safari or Chrome everything works fine but in Firefox the __doPostBack function and the onchange property in the select tags are not defined. Why is that?

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