ASP.NET: Confirm PostBack OnClientClick Button
ASP.Net Button: <asp:Button ID="btnSubmit" runat="server" class="unrulyBtn" Text="Submit" OnClientClick="if ( ! btnSubmitonClickEvent()) return false;" OnClick="btnSubmit_Click" CausesValidation="True" /> Java Script Method: function btnSubmitonClickEvent() { if (confirm('Once submitted, Flight Report for this sector cannot be edited.')) { // We can't use disable here because if we make that button as disabled, In that case OnClick will not work. // $('[id$=btnSubmit]').attr("disabled", "disabled"); $('[id$=btnSubmit]').attr("style", "display:none"); return true; } else { // $('[id$=btnSubmit]').removeAttr('disabled'); ...