question about button event in html,php and javascript

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hi,
i have a php file in my website and there is a submit button that save data,
now i want that when i click this button it will perform some check in my database and after the check it will ask me if i want continue or cancel,
if i click continue it will submit this form and if i click cancel it will cancel and will be not submited.
how can i do it?

Posted 18-Sep-10 23:42pm

komissar2007

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Sandeep Mewara · Answer 1 · 2010-09-19T00:02:00

Solution 1

Use XMLHttpRequest (using JavaScript - client side process)!
On button click, pass a request to server side with needed parameters. Do DB work, get back response and then based on result show a confirm. Now, based on confirm result direct the page execution flow.

Just Google for XMLHttpRequest in case you don't know.

Posted 19-Sep-10 0:02am

Sandeep Mewara

v2

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komissar2007 19-Sep-10 8:32am

thanks for the quick response,
but can i do the job in php itself?

Sandeep Mewara 19-Sep-10 11:24am

Yes, you should be able to.