Javascript Confirm function does not execute after first click action

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The vb code inside the if clause does not execute after the button has been clicked more than once. (Does not execute subsequent click actions). Please help.

XML

<script type = "text/javascript">
         function Confirm() {
             var confirm_value = document.createElement("INPUT");
             confirm_value.type = "hidden";
             confirm_value.name = "confirm_value";
             if (confirm("Confirm to Delete Account")) {
                 confirm_value.value = "Yes";
             } else {
                 confirm_value.value = "No";
             }
             document.forms[0].appendChild(confirm_value);
         }
    </script>


<body>
    <form id="form1" runat="server">   <%-- HTML code --%>
<asp:Button ID="Delete_Account" runat="server" OnClick="Delete_Account_Click"
                          OnClientClick=" Confirm()" Text="Delete Account" Width="250px"
                          BorderColor="Silver" Font-Size="19px" Height="45px" Font-Bold="True"
                     Font-Names="Times New Roman" />
</form>
</body>


VB code
Dim confirmValue As String = Request.Form("confirm_value")
        If confirmValue = "Yes" Then
'actions to perform
end if

Posted 24-Sep-14 23:07pm

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Sinisa Hajnal · Answer 1 · 2014-09-25T00:20:00

Change your confirm function like this:

JavaScript

function confirmDelete () {// note that it is custom to name methods with lower case letter
    return confirm("You're about to delete the account. Are you sure?");
}

And change your button to

VB

<asp:Button ID="Delete_Account" runat="server" OnClick="Delete_Account_Click"
                          OnClientClick=" javascript return confirmDelete();" Text="Delete Account" Width="250px"
                          BorderColor="Silver" Font-Size="19px" Height="45px" Font-Bold="True"
                     Font-Names="Times New Roman" />

By returning false from client side script you're preventing server round-trip, your server click handler will never trigger.