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    You will then receive instructions for successfully completing the program.

    Dynamic updatepanel not updating

    I am using a Modal Popup Extender with a Panel for udpating some values, and upon pressing the OK button on the popup, I need the Update Panel to update.The Panel and the OK button control are in the Update Panel in the file, so as far as I know, it should cause an update. Instead, I have tried adding a hidden button, which lies as the first element in the Update Panel. Update(); **Old attempt of udpating** Button1_Click(date Modal OKButton, new Event Args()); Why does this not work?To run the sample first create a Ajax Control Tool Kit enable site website then create a folder Dynamic Control Loading folder and copy the files in the following attachment.Download: Complete Source Hi, If your usercontrol includes any Text Boxes or other controls with postback data, you will not be able to use these values immediately in the Page_Load.If update a value with a popup, no change happens until the hidden button is pushed (this I have tried with the button visible). I have also tried adding the date Modal OKButton to the collection of triggers for the Update Panel - this does nothing as well. -Rasmus From the client-side click, you can refresh the Update Panel, see Also, see this post: this helps, -Damien I certainly agree with you that, when children makes a post back the update panel should update.In case you dont see the update panel updating, there could issues with your page code, or design or properties of some control or ... However, i recommend you to check if you have 'Children As Triggers' properties is set to true for the update panel. Incase this does not help , post your code, i can help you fixing your issue [:)].Unfortunatelly, in large applications in may be very significant problem.

    In the browser, the client Page Request Manager class performs Document Object Model (DOM) manipulation to replace existing HTML with updated markup. NET Web Parts is an integrated set of controls for creating Web sites that enable end users to modify the content, appearance, and behavior of Web pages directly from a browser.

    The previous rule also applies here, we have to manually show/hide the Modal Popup which we are doing in the above Java Script code.

    You will also found few cool techniques of Modal Popup Extender in this link.

    An asynchronous postback behaves like a regular postback in that the resulting server page executes the complete page and control life cycle.

    However, with an asynchronous postback, page updates are limited to regions of the page that are enclosed in controls and that are marked to be updated.

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