Re: WebImageViewer is not displayed after Ajax-Postback

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This topic and its replies were posted before the current version of LEADTOOLS was released and may no longer be applicable.

#1 Posted : Monday, November 17, 2008 2:34:44 AM(UTC)

Praveen136

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Posts: 13

I am dynamically setting the visible to True/False depending on the user request but the image is not displayed on the browser.

I am working on .Net 2.0 web site and the post back is AjaxPost back.


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#2 Posted : Monday, November 17, 2008 6:02:33 AM(UTC)

Adnan Ismail

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Can you tell me which version of LEADTOOLS toolkit do you have? Also, please provide me with more details about the problem. Do you get the same behavior using our WebFormsDemo example shipped with our toolkit? If yes, please give me the steps to see it.

If it is in your own code and you can isolate the problem in a very small test project (not your full application), please put this project in a ZIP or RAR file and send it to me so I can check it for you.

#3 Posted : Monday, November 17, 2008 6:46:33 AM(UTC)

Praveen136

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Posts: 13

we are using Version 15

Steps to reproduce:
1.create a new website
2. add update panel(ajax)
3. add a button and webimageviewer inside the update panel
4.in code behind on button click add some ImageURL such as http://localhost:1010/TestAPP/test.gif"
5. run the application and click the button(image is not displayed.)
6.remove onlly update panel and run application and click button (image is displayed)

Please let me know if you require more details....its very urgent.

#4 Posted : Monday, November 17, 2008 6:51:48 AM(UTC)

Praveen136

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Posts: 13

One more issue even though i am setting width, height of webimageviewer to 100% its not expanding to fullscreen of the IE.

#5 Posted : Tuesday, November 18, 2008 12:01:43 AM(UTC)

Adnan Ismail

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I haven't tried to use our viewer inside an UpdatePanel control before, but I'm not sure why this would be done. Our control itself does partial updates, so the partial update functionality of the UpdatePanel will not be useful with it. Is it possible to use our control without putting it in an UpdatePanel?

#6 Posted : Tuesday, November 18, 2008 12:13:44 AM(UTC)

Praveen136

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Posts: 13

No its not Possible as Lead tool controls are one of many controls which we use and also main update panel is in our main master page.

#7 Posted : Tuesday, November 18, 2008 6:43:20 AM(UTC)

Adnan Ismail

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I am afraid that our WebImageViewer control will not work with the Update Panel.

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