C# 使用Ajax调用和JQuery进行模型状态验证
嘿,伙计们,我正在使用Ajax/Jquery非结构化地验证输入。但是,在ModelState无效之后,我不知道如何处理ajax调用的返回,以及如何在asp Validation for标记上显示“必需的文本/正则表达式”。有人能帮忙吗 在my.cshtml上:C# 使用Ajax调用和JQuery进行模型状态验证,c#,ajax,asp.net-core,unobtrusive-validation,C#,Ajax,Asp.net Core,Unobtrusive Validation,嘿,伙计们,我正在使用Ajax/Jquery非结构化地验证输入。但是,在ModelState无效之后,我不知道如何处理ajax调用的返回,以及如何在asp Validation for标记上显示“必需的文本/正则表达式”。有人能帮忙吗 在my.cshtml上: <label class="control-label">CodCard</label> <input asp-for="CodCard" type="tex
<label class="control-label">CodCard</label>
<input asp-for="CodCard" type="text" class="form-control small col-4" />
<span asp-validation-for="CodCard" class="text-danger"></span>
在my.js上:
$(function () {
$("#btnChk").click('show.bs.modal', function () {
var options = {};
options.type = "POST";
options.url = "/api/CheckOut";
options.dataType = "JSON";
options.cache = false;
options.async = true;
contentType = "application/json; charset=utf-8",
options.data = {
"IdOrder": $("#IdOrder").val(),
"CodCard": $("#CodCard").val()
};
options.beforeSend = function (xhr) { xhr.setRequestHeader("XSRF-TOKEN", $('input:hidden[name="__RequestVerificationToken"]').val());
};
options.success = function (data) {
if (!data.success) {
if (data.errors.length > 0) {
// I supposed to do something here, I am right?? But How?
//for (var i = 0; i < response.errors.length; i++) {
// var error = response.errors[i];
// alert(error);
//}
}
}
else
{
if (data.IdOrder!= null) {
window.location.href = "/app/order/order?Id=" + data.IdOrder;
}
// Error
if (data.errors == "fail") {
var modal = $("#itemLoader");
modal.find('.modal-body .spinner-border').hide();
modal.find('.modal-body .far').show();
}
}
};
options.error = function () {
$('.alertMsg').html("Error while making Ajax call!");
};
$.ajax(options);
});
});
$(函数(){
$(“#btnChk”)。单击('show.bs.modal',函数(){
var选项={};
options.type=“POST”;
options.url=“/api/CheckOut”;
options.dataType=“JSON”;
options.cache=false;
options.async=true;
contentType=“application/json;charset=utf-8”,
options.data={
“IdOrder”:$(“#IdOrder”).val(),
“密码卡”:$(“#密码卡”).val()
};
options.beforeSend=function(xhr){xhr.setRequestHeader(“XSRF-TOKEN”,$('input:hidden[name=“\uu RequestVerificationToken”]”)val());
};
options.success=函数(数据){
如果(!data.success){
如果(data.errors.length>0){
//我应该在这里做点什么,我是对的,但是怎么做呢?
//对于(var i=0;i
我的控制器类:
[HttpPost("/api/CheckOut")]
public async Task<IActionResult> CheckOut([Bind("IdOrder, CodCard")] BagCheckOutViewModel checkOut)
{
...
if (!ModelState.IsValid)
{
return Json(new { success = false, errors = ModelState.Values.Where(i => i.Errors.Count > 0) });
}
...
[HttpPost(“/api/CheckOut”)]
公共异步任务签出([Bind(“IdOrder,CodCard”)]BagCheckOutViewModel签出)
{
...
如果(!ModelState.IsValid)
{
返回Json(新的{success=false,errors=ModelState.Values.Where(i=>i.errors.Count>0)});
}
...
下面是一个关于如何在ajax发回后显示modelstate错误的工作演示:
查看(Privacy.cshtml
):
@model BagCheckOutViewModel
密码卡
我命令
脚本:
@section Scripts
{
<script type="text/javascript">
$(function () {
$("#btnChk").click('show.bs.modal', function () {
var options = {};
options.type = "POST";
options.url = "/api/CheckOut";
options.dataType = "JSON";
options.cache = false;
options.async = true;
contentType = "application/json; charset=utf-8",
options.data = {
"IdOrder": $("#IdOrder").val(),
"CodCard": $("#CodCard").val()
};
options.beforeSend = function (xhr) { xhr.setRequestHeader("XSRF-TOKEN", $('input:hidden[name="__RequestVerificationToken"]').val());
};
options.success = function (data) {
//do your stuff...
};
options.error = function (res) {
$('#myform').html(res.responseText); //change here...
};
$.ajax(options);
});
});
</script>
}
@节脚本
{
$(函数(){
$(“#btnChk”)。单击('show.bs.modal',函数(){
var选项={};
options.type=“POST”;
options.url=“/api/CheckOut”;
options.dataType=“JSON”;
options.cache=false;
options.async=true;
contentType=“application/json;charset=utf-8”,
options.data={
“IdOrder”:$(“#IdOrder”).val(),
“密码卡”:$(“#密码卡”).val()
};
options.beforeSend=function(xhr){xhr.setRequestHeader(“XSRF-TOKEN”,$('input:hidden[name=“\uu RequestVerificationToken”]”)val());
};
options.success=函数(数据){
//做你的事。。。
};
options.error=函数(res){
$('#myform').html(res.responseText);//在此处更改。。。
};
$.ajax(选项);
});
});
}
控制器:
[HttpPost("/api/CheckOut")]
public async Task<IActionResult> CheckOut([Bind("IdOrder, CodCard")] BagCheckOutViewModel checkOut)
{
if (!ModelState.IsValid)
{
return PartialView("Privacy",checkOut);
}
return Json(new { success = true});
}
[HttpPost(“/api/CheckOut”)]
公共异步任务签出([Bind(“IdOrder,CodCard”)]BagCheckOutViewModel签出)
{
如果(!ModelState.IsValid)
{
返回PartialView(“隐私”,结帐);
}
返回Json(新的{success=true});
}
结果:
您的示例代码运行良好,非常感谢。如果我使用viewbag,我如何返回Using partial view?您有什么示例吗?“无法在System.Dynamic.UpdateDelegates.UpdateAndExecute1[T0,TRet](CallSite site,T0 arg0)的CallSite.Target(Close,CallSite,Object)对空引用执行运行时绑定”在AspNetCore.Areas\u App\u Views\u Sacola\u Index.ExecuteAsync()中的C:\Users\782290104\source\repos\Kepler\Kepler.MVC\Areas\App\Views\Bag\Privacy.cshtml:line 12“>>如果(ViewBag.Sacola.Count!=0)Hi,请确保在方法中添加了一个ViewBag数据(签出)这是由ajax调用的。工作正常,现在的问题是-我所有的内容在返回后都被注入他自己的内部。所以边距布局变得“更厚”。尝试解决它。
@section Scripts
{
<script type="text/javascript">
$(function () {
$("#btnChk").click('show.bs.modal', function () {
var options = {};
options.type = "POST";
options.url = "/api/CheckOut";
options.dataType = "JSON";
options.cache = false;
options.async = true;
contentType = "application/json; charset=utf-8",
options.data = {
"IdOrder": $("#IdOrder").val(),
"CodCard": $("#CodCard").val()
};
options.beforeSend = function (xhr) { xhr.setRequestHeader("XSRF-TOKEN", $('input:hidden[name="__RequestVerificationToken"]').val());
};
options.success = function (data) {
//do your stuff...
};
options.error = function (res) {
$('#myform').html(res.responseText); //change here...
};
$.ajax(options);
});
});
</script>
}
[HttpPost("/api/CheckOut")]
public async Task<IActionResult> CheckOut([Bind("IdOrder, CodCard")] BagCheckOutViewModel checkOut)
{
if (!ModelState.IsValid)
{
return PartialView("Privacy",checkOut);
}
return Json(new { success = true});
}