Hello,
I'm trying to do some file uploads inside an asp:update panel. I added a postback trigger for my submit button, but the submit button is nested pretty far inside the update panel and I'm getting the error:
InvalidOperationException: A control with ID ' btnFileUpload' could not be found for the trigger in UpdatePanel 'UpdatePanel1'.]
Even though btnFileUpload is in the UpdatePanel.
I was thinking about using a WARP for this, since we also have infragistics 8.2 and I've already used the WebDialogWindow and like that.
Is there a way to assign a control inside a WARP to do a full page postback? Also will it work if the control is nested inside the WARP, not on the top layer?
Thanks,
Eric
HI,
Try setting the Warp's TriggerPostBackId property.
Here is a help link:
http://help.infragistics.com/Help/NetAdvantage/NET/2008.3/CLR2.0/html/Infragistics2.WebUI.Misc.v8.3~Infragistics.WebUI.Misc.WebAsyncRefreshPanel~TriggerPostBackIDs.html
As far as being burried in other controls, that shouldn't present a problem.
I just did a test where I put the button inside the warp, inside a tab. It worked fine