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How to prevent html window closing on close

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Posted on by dkrishna

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Hello,

I am launching html popup window using window.open and in that html form having and saveandclose and cancel button .

on cancel button click iam checking if rows are added to form or not and showing confirmation message before closing and now i want to use same logic and show confirm msg when we click on window close cross button.

I tried with window.onbeforeunload event but when i keep this event getting confirm message even for saveandclose button as the window is closing.

Is possible to prevent window closing by detecting whether form is closing from which button click ?

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Kalpavruksh D365 CoE 2,545 on at

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RE: How to prevent html window closing on close

Hi Krishna,

Please refer link : https://www.codeproject.com/articles/58835/window-close-event-of-browser
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mhdshb1 1,250 on at

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RE: How to prevent html window closing on close

Hi dkrishna,

Why don't you keep track if they did not complete it in a cookie or the DB and when they visit next time just bring the same screen back.

Killing the process of the browser is a way you will not be able to prevent with javascript.

What will you do when a user hits ALT + F4 or closes it from Task Manager

Regards,

M