Sometimes server event missed after show form

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Hello!

Sometimes (1 of 1…10 times) server event missed after show form. I can’t put my project to production with this bug.

To reproduce bug –  run attached project, click button to show message, then click another grid row and look at window title – sometimes window title do not have changes (server side do not receive event from browser UI).

Nick.

P.S. This is common problem, not only MessageBox+DataGridView – any Form and any event after Form Show.

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Cannot reproduce. Missing server events would mean that the server is down or the connection timed out. Are you sure you are not clicking on the part of the row that is to the right of the line? It looks like it’s part of the row but it’s not.

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Hi Nikolajs,

I couldn’t reproduce it neiher on Debug nor on Release mode, neither on Chrome Version 68.0.3440.106 (Official Build) (64-bit) nor on Firefox 61.0.2 (64-bit).

  • Nikolajs Valters
    I want be sure that you understand problem. After first click (after close message form) on another grid row sometimes you see old (not changed) row number on form title (1 time from 1…20 clicks to button and then another grid row). I use Windows 10 and Firefox on my desktop machine and my notebook.
  • Luca (ITG)
    I tried about 100 times with WebSocket on and off, with Chrome and FireFox. Can’t reproduce. The only way I get something similar is when I click in the row but on the second right half of the grid, which is correct since there is one column only. See: https://www.screencast.com/t/ldGEEFTJDA5
  • Luca (ITG)
    Don’t worry about the activation count – it will not block you and the license message is not causing any issue to the app.
  • Nikolajs Valters
    I see your movie. May be this is due machine speed?
  • Luca (ITG)
    Machine speed has nothing to do with the events being dispatched and processed.
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Hello! This bug exist on two machines. I attached screenshot of bug moment. Sometimes bug exists after 1 click to button and then to another row, but sometimes bug exists after 20 click to button and then to another row. Screenshot attached. Please spend time to make long test (up to 100 clicks to button and then to another row). I can’t put my project to production with this bug.

Best regards,

Nick.

  • Nikolajs Valters
    I have 4 core machine, may be this is critical.
  • Luca (ITG)
    Check the browser console if there is a javascript error.
  • Luca (ITG)
    And hit refresh to see if the title is updated. Let me know.
  • Nikolajs Valters
    Browser console do not have javascript error. After refresh title not updated, grid row updated.
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