我有一个按钮,同时绑定了onclientclick和onclick事件。我的页面上还有一个jquery。当计时器结束时,这个jquery会注册按钮的点击事件。OnclientClick调用一个函数来验证是否选择了单选按钮...当计时器正在运行时...如果用户在没有选择选项(radiobuttonList)的情况下点击(Next)按钮...就会返回false,从而阻止服务器端事件发生...然而,如果计时器结束并且没有选择任何项目,则表单将被提交并带有空白选项。以下是代码:
var countdownTimer, countdownCurrent;
$(document).ready(function() {
countdownCurrent = $('#ctl00_MainContent_example2submit').val() * 100;
countdownTimer = $.timer(function () {
var min = parseInt(countdownCurrent / 6000);
var sec = parseInt(countdownCurrent / 100) - (min * 60);
var micro = pad(countdownCurrent - (sec * 100) - (min * 6000), 2);
var output = "00"; if (min > 0) { output = pad(min, 2); }
$('.countdowntime').html(output + ":" + pad(sec, 2) + ":" + micro);
if (countdownCurrent == 0) {
$('#ctl00_MainContent_btnNext').click();
} else {
countdownCurrent -= 7;
if (countdownCurrent < 0) {
countdownCurrent = 0;
}
}
}, 70, true);
$('#example2submit').bind('keyup', function (e) {
if (e.keyCode == 13) {
countdownReset();
}
});
function CheckIfOptionSelected() {
var vFlag = true;
var radioButton1 = document.forms[0].elements['ctl00_MainContent_rdBtnListOptions_0'];
var radioButton2 = document.forms[0].elements['ctl00_MainContent_rdBtnListOptions_1'];
var radioButton3 = document.forms[0].elements['ctl00_MainContent_rdBtnListOptions_2'];
var radioButton4 = document.forms[0].elements['ctl00_MainContent_rdBtnListOptions_3'];
if (radioButton1.checked == false && radioButton2.checked == false && radioButton3.checked == false && radioButton4.checked == false && countdownCurrent > 0) {
vFlag = false;
}
else {
countdownReset();
vFlag = true;
}
return vFlag;
}
function countdownReset() {
var newCount = parseInt($('#ctl00_MainContent_example2submit').val()) * 100;
if (newCount > 0) { countdownCurrent = newCount; }
}
我面临的问题是,如果我在单选按钮列表中没有选择任何内容就允许定时器过期......那么点击事件将触发一个成功的回发,但是当我选择一个选项时......而不点击NEXT按钮,我允许定时器过期......回发不会发生??.... 下一步按钮如下:
<asp:Button ID="btnNext" runat="server" Height="26px"
OnClientClick="if(!CheckIfOptionSelected()){return false;};"
OnClick="btnNext_Click" Text="Next"
Width="77px" CausesValidation="False" />