confirmation popup message (ASP.NET/VB)
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27-10-2019 - |
Question
I want to have a confirmation message box pop up when a user clicks the cancel button on a form. I believe this would be the correct javascript code:
function confirmation() {
var answer = confirm("Are you sure you want to cancel? Any information you have entered will be discarded.")
if (answer) {
window.location = "index.htm";
}
}
But, I'm not sure how I can call the function with VB from my code behind page.
Solution
On your cancel button add this markup attribute
OnClientClick="return confirmation();"
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