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                                Jay Warshaw 02.02.2010

                                  • I have an Update panel on an ASP.NET page. Under certain circumstances, when the panel is called back, I add some DevExpress controls to it. (Grid Control and a few combo boxes, etc.) This seems to work, but when I click on the controls they are non-responsive.

                                    My guess is that there is inline script which is expecting to be run when the page is parsed, which isn’t being run in this circumstance.

                                    Using style – “display : none” to hide the controls until they're needed is not an acceptable alternative.

                                    Is there a work around? This is showstopper for us.

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                                Plato (DevExpress Support) 01.28.2010

                                Hi Jay,

                                Please try the solution from the Adding an aspxGridView control to the page during an AjaxPanel Postback thread. Does this help you?

                                Thanks,
                                Plato

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                                Jay Warshaw 02.01.2010

                                Thanks for the suggestion.

                                I did some testing. Unfortunately, using the register scripts method as you outlined, only seems to work in the scenario described in your documentation.
                                That is, if the control is added to an update panel the first time the page is loaded, and it’s visible property is set to false.
                                Using the register scripts method does not seem to work if the control is not first created until an Update Panel update event has occurred.

                                Adding the control on page load and setting the visible property to false is not a good solution for us.
                                We are trying to speed our page load time, by creating controls as needed from Update Panel post-backs.

                                Are we missing something? Can you suggest a different way to get the control’s scripts registered properly.

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                                Plato (DevExpress Support) 02.01.2010

                                Hi Jay,

                                My sample project is attached and it works fine here. Please run it on your machine and let us know what we should do to reproduce this issue. Or send us a page where we can reproduce this issue. We will do our best to help you.

                                Thanks,
                                Plato

                                dxSample.zip
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                                Jay Warshaw 02.01.2010

                                We compared the sample project you sent us to eh one we are working with and found that the following entry in the web.config causes the our application to exhibit the broken behavior we described:

                                     <appSettings>
                                          <add key="DXEnableResourceMerging" value="true"/>
                                     </appSettings>

                                Why would this key cause the problem we are having?
                                What should we do to fix or investigate?

                                0
                                Plato (DevExpress Support) 02.02.2010

                                Hi Jay,

                                I think that this is a bug. I've converted your question to a bug report and we will research it further. You will be notified when its status is changed.

                                Thanks,
                                Plato

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