<asp:Button ID="btnSend" runat="server" Text="Go!"
ValidationGroup="EmailForm" onclick="btnSend_Click" />
WebForm_DoPostBackWithOptions(
new WebForm_PostBackOptions('ctl00$cphLeft$C001$btnSend', '', true, '**MISSING??**',
'', false, true))
Above first the ASP.NET code we use to put a button on a form. Below that is the code that is rendered. Where i put MISSING?? , i was expecting the ValidationGroup…
One detail is that we are using this in a user control that is used in Sitefinity. But, as that is just a ASP.NET CMS, i can’t think of anything special that influences this type of code.
Any ideas on how this can happen?
I’m not sure if this is the cause, but by default, Sitefinity pages have Viewstate disabled. Open the Properties of the page (under the Actions menu in the list of pages in the backend) and check the box to enable viewstate and let me know if that resolves the issue.
hope this is helpful!