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ASP 2.0 breaks Validation giving WebForm_PostBackOptions is Undefined
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After I upgraded to .NET 2.0 I started getting the following Error:
'Webform_PostBackOptions' is undefined when calling
WebForm_PostBackOptions("dlstDataList$ctl01$LinkBu ttonT3", "", true,
"", "", false, true))

After I remove the following RequiredFieldValidator control it works
perfectly. It also works perfectly if I leave the
RequiredFieldValidator in but switch back to .NET 1.1. This also
happens with any of the other ASP.NET validators, Any ideas? Missing
some required javascript file?

<asp:TextBox id="Project" Columns="100" CssClass="FormControls"
Runat="Server" Text='<%# DataBinder.Eval(Container.DataItem,

<asp:RequiredFieldValidator id="RequiredFieldValidator1"
ControlToValidate="Project" runat="server" ErrorMessage="Error !"/>

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Has anyone seen this error before?
Thanks in advance... Removed)

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panania panania is offline
Junior Member
Join Date: Oct 2006
Location: Scranton, PA
Posts: 1
Are any of the MS Engineers seeing this? I've just recently migrated 2 apps (each edevloped in 2003) to 2005 and they both have the exact same problem. I've combed the net and found a lot of different proposed solutions, but nearly all are application specific (e.g. DNN) Nothing I've read deals specifically with this issue, addresses the validator scripts and/or has a development based solution. Help!

Thanks in advance,

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