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Delete button warning

Thread began 2/23/2012 6:24 pm by bill3786 | Last modified 2/24/2012 11:44 am by bill3786 | 803 views | 8 replies |

bill3786

Delete button warning

How difficult would it be to have an additional "Are you sure you want to delete this record" warning when any Delete buttons are clicked in the backend.

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Jason ByrnesWebAssist

you would need to hand code a javascript function to show the confirm message on click of the delete button.


a quick Google search of:
javascript confirm form submit

yielded this page as the first result:
confirmsubmit.asp

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bill3786

Is this a way to do this, if so where do you put this code? Seems too simple this one or is something missing?

add-a-javascript-warning-before-delete

Another one here which seems to be more complete

91-Creating-warning-messages-in-submit-forms.html

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Jason ByrnesWebAssist

either of those 2 will work, they are just reiterations of the same concept in my initial link.


it's just a mater of adding the onclick event code to the submit button, and the javascript function in the head of your page.

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bill3786

Tried the second one and it wouldnt work but then noticed what seemed to be an error. The script was

<script LANGUAGE="JavaScript">
<!--
function confirmPost()
{
var agree=confirm("ARE YOU SURE ?");
if (agree)
return true ;
else
return false ;
}
// -->
</script>

and the input line was

<input type="submit" name="Submit" value="delete" onClick="return confirmSubmit()">

So I changed onClick="return confirmSubmit()" to onClick="return confirmPost()" and it worked. Should I have changed the input to match the script or vice versa or doesn't it matter.

Not tried it yet but does the first method in my earlier post work without a script?

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Jason ByrnesWebAssist

  Should I have changed the input to match the script or vice versa or doesn't it matter.  




it doesn't matter which you change, it only matters that they both match.

  Not tried it yet but does the first method in my earlier post work without a script?  



yes, that is the point of the other method, to not include a script in the head.

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bill3786

Tried the other one, works fine. Adding the single line, without the script in the head is much quicker and easier.

Tried changing the "Are you sure" message to something more meaningful like "Are you sure you want to delete this order etc etc" and tried putting a line break in the text but this brings up a syntax error. Does the message have to be in one continuous line without breaks or can you add them somehow?

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Jason ByrnesWebAssist

you can add line breaks using \r\n

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bill3786

Ok, got the line breaks to work but there seems to be a limit on the amount of text you can add. If you stay within that limit it works fine, many thanks.

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