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ChanKK
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Group: Forum Members
Posts: 190,
Visits: 1.3K
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Hi Thank you for your efforts. Really need your help!! Thank you
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Trent Taylor
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Group: StrataFrame Developers
Posts: 6.6K,
Visits: 6.9K
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We are going to look at it one more time, but like all previous examples that you have shown, the problem only seems to persist with the DevExpress grid. If the same thing is done with an Infragistics grid or the standard web grid, it works perfectly.
Looking back in our notes, this is the same thing that was mentioned on the previous 2 samples that were sent in. It looks the disposal does not fire through the DevExpress web grid...and ironically, this was due to an issue that you turned in after a point release of DevExpress over a year ago.
We are not through testing, but these are the current results.
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ChanKK
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Group: Forum Members
Posts: 190,
Visits: 1.3K
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Hi May I know any update? My customer keep calling us, and they expect this issue to be solved before 25/3/2011.
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ChanKK
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Group: Forum Members
Posts: 190,
Visits: 1.3K
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Hi I totally agree with what you mentioned, "How come only we hit this issue?!!?!?!" Just like last time, only we hit thread-safe issue, transaction issue and etc. At last only found that 1. Thread-safe - bug 2. Transaction - Only happen if using ad-hoc CRUD for, working fine for SP 3. Memory leak (1st reported) - DevExpress and SF integration issue My mgmt also asking since so many developers are using SF and DevExpress UI why don't they hit issue as us? I also don't know how to answer. Anyway, if you think is our environment issue, please post me question, or I can arrange remote access for you. We can do anything for you, we just need solution!!! Memory leak issue has brought our company into very very worst market position at this moment. Much appreciate for your help
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Trent Taylor
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Group: StrataFrame Developers
Posts: 6.6K,
Visits: 6.9K
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Well, like I said, we have so many people that use XtraReport and DevExpress and don't experience these issues. So there is some underlying design issue or environmental issue that you guys seem to always be up against. But at any rate, we will look at the sample that you post to see if there is something framework related.
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ChanKK
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Group: Forum Members
Posts: 190,
Visits: 1.3K
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Hi I have posted my sample project Testing DBSample projectI also attached screenshot of ANTS profiler which shown the instances of BO keep increasing for each refresh. |
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ChanKK
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Group: Forum Members
Posts: 190,
Visits: 1.3K
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BTW, I don't think we have very unique environment as I just use simple BO with XtraReport. Also, for the reporting tool, we never do any custom code to it as well. Just a simple listing. Anyway will upload the sample as soonest.
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ChanKK
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Group: Forum Members
Posts: 190,
Visits: 1.3K
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Trent L. Taylor (3/16/2011)
We will look at your project, Chan. I would be very surprised at this point if there was in fact a memory leak. We have hundreds of customers that use both the XtraReports and the Dev Grid. But there can always be a certain property or environment that causes a particular issue. So we can take a look and go from there. But from the sound of it, you still have not heeded my advice on creating a custom control. This is a bit disappointing, though, because it seems like you have a very unique and custom environment and you are trying to squeeze a 3rd party control to fit you very specific and custom needs which I think is part of your problem.Hi, My company is really willing to do so, but we lack of experience on this at this moment. Beside, we are busy to solve some other issues before this. That is the reason we would like to have SF team to send us built custom control so that we can use it straight away or at least some reference.
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Trent Taylor
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Group: StrataFrame Developers
Posts: 6.6K,
Visits: 6.9K
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We will look at your project, Chan. I would be very surprised at this point if there was in fact a memory leak. We have hundreds of customers that use both the XtraReports and the Dev Grid. But there can always be a certain property or environment that causes a particular issue. So we can take a look and go from there. But from the sound of it, you still have not heeded my advice on creating a custom control. This is a bit disappointing, though, because it seems like you have a very unique and custom environment and you are trying to squeeze a 3rd party control to fit you very specific and custom needs which I think is part of your problem.
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ChanKK
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Group: Forum Members
Posts: 190,
Visits: 1.3K
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Hi After so many discussion, we are in the progress to change our application to limit # of records to be retrieve and also added search feature to all listing page. However, now we are facing memory leak issue in DevExpress XtraReport (ASP.NET) also. We are using WBBS to bind our BO to report. It only contains few records. When I keep refresh the report, I see the BO (datasource) instance keep increasing. From ANTS profiler, it is referenced by SharedDataTable therefore unable to be released. My developer is in the progress to prepare sample project.
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