Asp.net mvc 3 如何在单击按钮而不是提交按钮时触发验证消息
我必须使用JQuery执行身份验证过程。我有两个文本框用户名和密码,两个按钮是登录和提交 如果我点击提交按钮,那么它会自动启动验证,这是好的,我必须在登录按钮点击时实现这一功能 那么如何在单击按钮时实现自动验证? 我为什么喜欢这个:Asp.net mvc 3 如何在单击按钮而不是提交按钮时触发验证消息,asp.net-mvc-3,jquery-validate,validation,Asp.net Mvc 3,Jquery Validate,Validation,我必须使用JQuery执行身份验证过程。我有两个文本框用户名和密码,两个按钮是登录和提交 如果我点击提交按钮,那么它会自动启动验证,这是好的,我必须在登录按钮点击时实现这一功能 那么如何在单击按钮时实现自动验证? 我为什么喜欢这个: 在JQuery中,它使用用户名和密码向服务器发送请求 密码在此期间我将显示处理 然后,它将使用数据库验证提供的值并返回响应 如果选择成功或失败,则我将显示成功或失败 以下是代码片段: <script src="@Url.Content("~/Scripts/j
<script src="@Url.Content("~/Scripts/jquery.validate.min.js")" type="text/javascript"></script>
<script src="@Url.Content("~/Scripts/jquery.validate.unobtrusive.min.js")" type="text/javascript"></script>
@Html.ValidationSummary(true, "Login was unsuccessful. Please correct the errors and try again.")
@using (Html.BeginForm(null, null, FormMethod.Get, new { id = "Form1", name = "Form1" }))
{
<table>
<tr>
<td>
User Name
</td>
<td>@Html.TextBoxFor(u => u.UserName, new { id = "txtUser" }) @Html.ValidationMessageFor(u => u.UserName)
</td>
</tr>
<tr>
<td>
Password
</td>
<td>@Html.TextBoxFor(u => u.Password, new { id = "txtPassword" }) @Html.ValidationMessageFor(u => u.Password)
</td>
</tr>
<tr>
<td>
</td>
<td>
<input type="button" value="Login" onclick="checkAuthentication();" />
<input type="submit" value="Submit" />
</td>
</tr>
<tr>
<td colspan="2">
<div id="dvStatus" class="loginMessageStatus">
</div>
</td>
</tr>
</table>
}
<script language="javascript" type="text/javascript">
function getUserCredentials() {
var user = jQuery('#txtUserName').val();
var pass = jQuery('#txtPassword').val();
return { UserName: user, Password: pass };
}
function clearUserCredentials() {
jQuery('#txtUserName').val("");
jQuery('#txtPassword').val("");
jQuery('#txtUserName').focus();
}
function checkAuthentication() {
jQuery('#dvStatus').html("<div class='requestProcess'></div><div class='requestMessage'>Please wait...</div>")
var postData = getUserCredentials();
var ajaxResponse = $.ajax({
type: "post",
url: '@Url.Action("Index", "Login")',
dataType: 'json',
contentType: "application/json; charset=utf-8",
data: JSON.stringify(postData),
success: function (result) {
var res = jQuery.parseJSON(result);
if (res.Success == true) {
jQuery('#dvStatus').html("<div class='requestSuccess'></div><div class='requestMessage'>Your are successfully logged in. Redirecting...</div>")
jQuery.doTimeout(100, redirectToPage);
}
else {
jQuery('#dvStatus').html("<div class='requestFailed'></div><div class='requestMessage'>Error: " + res.Message + ". <a href='javascript:void(0)' onclick='clearUserCredentials()'>Try Again</a></div>")
}
}
});
}
function redirectToPage() {
href = '@Url.Action("Index", "TabMaster")';
window.location.href = href;
}
@Html.ValidationSummary(true,“登录失败。请更正错误并重试。”)
@使用(Html.BeginForm(null,null,FormMethod.Get,new{id=“Form1”,name=“Form1”}))
{
用户名
@Html.TextBoxFor(u=>u.UserName,new{id=“txtUser”})@Html.ValidationMessageFor(u=>u.UserName)
密码
@Html.TextBoxFor(u=>u.Password,new{id=“txtPassword”})@Html.ValidationMessageFor(u=>u.Password)
}
函数getUserCredentials(){
var user=jQuery('#txtUserName').val();
var pass=jQuery('#txtPassword').val();
返回{用户名:用户,密码:pass};
}
函数clearUserCredentials(){
jQuery('#txtUserName').val(“”);
jQuery('#txtPassword').val(“”);
jQuery('#txtUserName').focus();
}
函数checkAuthentication(){
jQuery('#dvStatus').html(“请稍候…”)
var postData=getUserCredentials();
var ajaxResponse=$.ajax({
类型:“post”,
url:'@url.Action(“索引”、“登录”),
数据类型:“json”,
contentType:“应用程序/json;字符集=utf-8”,
数据:JSON.stringify(postData),
成功:功能(结果){
var res=jQuery.parseJSON(结果);
如果(res.Success==true){
jQuery('#dvStatus').html(“您已成功登录。正在重定向…”)
doTimeout(100,重定向Topage);
}
否则{
jQuery('#dvStatus').html(“错误:+res.Message+”)
}
}
});
}
函数重定向Topage(){
href='@Url.Action(“Index”,“TabMaster”);
window.location.href=href;
}
注意:-
您可以使用以下事件处理程序单击submit按钮进行验证: 将标识符添加到按钮:
<input id="SubmitButton" type="submit" value="Submit" />
更改验证方法以返回是否失败:
function checkAuthentication() {
var _user = jQuery.trim(jQuery('#txtUserName').val());
var _pass = jQuery.trim(jQuery('#txtPassword').val());
if (_user.length == 0 || _pass.length == 0) {
jQuery('#dvStatus').html("<div class='requestFailed'></div><div class='requestMessage'>User Name and Password are required!</div>")
return false;
}
else {
jQuery('#dvStatus').html("<div class='requestProcess'></div><div class='requestMessage'>Please wait...</div>")
var postData = getUserCredentials();
var ajaxResponse = $.ajax({
type: "post",
url: '@Url.Action("Index", "Login")',
dataType: 'json',
contentType: "application/json; charset=utf-8",
data: JSON.stringify(postData),
success: function (result) {
var res = jQuery.parseJSON(result);
if (res.Success == true) {
jQuery('#dvStatus').html("<div class='requestSuccess'></div><div class='requestMessage'>Your are successfully logged in. Redirecting...</div>")
jQuery.doTimeout(100, redirectToPage);
}
else {
jQuery('#dvStatus').html("<div class='requestFailed'></div><div class='requestMessage'>Error: " + res.Message + ". <a href='javascript:void(0)' onclick='clearUserCredentials()'>Try Again</a></div>")
}
}
});
return true;
}
}
函数checkAuthentication(){
var#u user=jQuery.trim(jQuery('#txtUserName').val());
var#u pass=jQuery.trim(jQuery('#txtPassword').val());
如果(_user.length==0 ||_pass.length==0){
jQuery(“#dvStatus”).html(“需要用户名和密码!”)
返回false;
}
否则{
jQuery('#dvStatus').html(“请稍候…”)
var postData=getUserCredentials();
var ajaxResponse=$.ajax({
类型:“post”,
url:'@url.Action(“索引”、“登录”),
数据类型:“json”,
contentType:“应用程序/json;字符集=utf-8”,
数据:JSON.stringify(postData),
成功:功能(结果){
var res=jQuery.parseJSON(结果);
如果(res.Success==true){
jQuery('#dvStatus').html(“您已成功登录。正在重定向…”)
doTimeout(100,重定向Topage);
}
否则{
jQuery('#dvStatus').html(“错误:+res.Message+”)
}
}
});
返回true;
}
}
如果验证失败,则应停止提交。您可以使用以下事件处理程序单击提交按钮进行验证: 将标识符添加到按钮:
<input id="SubmitButton" type="submit" value="Submit" />
更改验证方法以返回是否失败:
function checkAuthentication() {
var _user = jQuery.trim(jQuery('#txtUserName').val());
var _pass = jQuery.trim(jQuery('#txtPassword').val());
if (_user.length == 0 || _pass.length == 0) {
jQuery('#dvStatus').html("<div class='requestFailed'></div><div class='requestMessage'>User Name and Password are required!</div>")
return false;
}
else {
jQuery('#dvStatus').html("<div class='requestProcess'></div><div class='requestMessage'>Please wait...</div>")
var postData = getUserCredentials();
var ajaxResponse = $.ajax({
type: "post",
url: '@Url.Action("Index", "Login")',
dataType: 'json',
contentType: "application/json; charset=utf-8",
data: JSON.stringify(postData),
success: function (result) {
var res = jQuery.parseJSON(result);
if (res.Success == true) {
jQuery('#dvStatus').html("<div class='requestSuccess'></div><div class='requestMessage'>Your are successfully logged in. Redirecting...</div>")
jQuery.doTimeout(100, redirectToPage);
}
else {
jQuery('#dvStatus').html("<div class='requestFailed'></div><div class='requestMessage'>Error: " + res.Message + ". <a href='javascript:void(0)' onclick='clearUserCredentials()'>Try Again</a></div>")
}
}
});
return true;
}
}
函数checkAuthentication(){
var#u user=jQuery.trim(jQuery('#txtUserName').val());
var#u pass=jQuery.trim(jQuery('#txtPassword').val());
如果(_user.length==0 ||_pass.length==0){
jQuery(“#dvStatus”).html(“需要用户名和密码!”)
返回false;
}
否则{
jQuery('#dvStatus').html(“请稍候…”)
var postData=getUserCredentials();
var ajaxResponse=$.ajax({
类型:“post”,
url:'@url.Action(“索引”、“登录”),
数据类型:“json”,
contentType:“应用程序/json;字符集=utf-8”,
数据:JSON.stringify(postData),
成功:功能(结果){
var res=jQuery.parseJSON(结果);
如果(res.Success==true){
jQuery('#dvStatus').html(“您已成功登录。正在重定向…”)
doTimeout(100,重定向Topage);
}
否则{
jQuery('#dvStatus').html(“错误:+res.Message+”)
}
}
});
返回
<script language="javascript" type="text/javascript">
$(document).ready(function () {
//$.preloadCssImages();
$("#btnLogin").click(function () {
if ($("#Form1").valid() == true) {
checkAuthentication();
return false;
}
});
});
function getUserCredentials() {
var user = jQuery('#txtUserName').val();
var pass = jQuery('#txtPassword').val();
return { UserName: user, Password: pass };
}
function clearUserCredentials() {
jQuery('#txtUserName').val("");
jQuery('#txtPassword').val("");
jQuery('#txtUserName').focus();
}
function checkAuthentication() {
jQuery('#dvStatus').html("<div class='requestProcess'></div><div class='requestMessage'>Please wait...</div>")
var postData = getUserCredentials();
var ajaxResponse = $.ajax({
type: "post",
url: '@Url.Action("Index", "Login")',
dataType: 'json',
contentType: "application/json; charset=utf-8",
data: JSON.stringify(postData),
success: function (result) {
var res = jQuery.parseJSON(result);
if (res.Success == true) {
jQuery('#dvStatus').html("<div class='requestSuccess'></div><div class='requestMessage'>Your are successfully logged in. Redirecting...</div>")
jQuery.doTimeout(100, redirectToPage);
}
else {
jQuery('#dvStatus').html("<div class='requestFailed'></div><div class='requestMessage'>Error: " + res.Message + ". <a href='javascript:void(0)' onclick='clearUserCredentials()'>Try Again</a></div>")
}
}
});
}
function redirectToPage() {
href = '@Url.Action("Index", "TabMaster")';
window.location.href = href;
}
</script>