I hava ASP button return confirm ensute delete OnClientClick then go to server check something in DB and return another confirm in certain case to ensure deletion again.

I hava ASP button return confirm ensute delete OnClientClick then go to server check something in DB and return another confirm in certain case to ensure deletion again. the problem that I must click button twice and return the 2 confirm again to fire the event. And it does not call alerts after finishing deletion.
 
function
ShowConfirmation() {

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