如何解决NToastNotify 不在异步帖子上显示消息
我在 Get（甚至异步）toast 上实现了 NToastNotify。但是在发布时我无法获得吐司。
然而，一旦我返回页面，消息就会显示...
如何在帖子中直接获取数据保存或错误消息？
==========这里是我的页面 C# 代码
using System;
using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;
using Microsoft.EntityFrameworkCore;
using Microsoft.AspNetCore.Mvc.Rendering;
using NToastNotify;
using WorkCollaboration.Data;
using WorkCollaboration.Models;
namespace WorkCollaboration.Pages.Contacts
{
public class CreateModel : PageModel
{
private readonly WorkCollaboration.Data.WorkCollaborationContext _context;
private readonly IToastNotification toastNotification;
public CreateModel(WorkCollaboration.Data.WorkCollaborationContext context,IToastNotification toastNotification)
{
_context = context;
this.toastNotification = toastNotification;
}
public async Task<IActionResult> OnGetAsync()
{
CustomerDropDownDisp = await _context.CustomerDropDown.ToListAsync(); // Added for DropDown
SupplierDropDownDisp = await _context.SupplierDropDown.ToListAsync(); // Added for DropDown
//Success
toastNotification.AddSuccessToastMessage("Data Loaded successful");
return Page();
}
[BindProperty]
public Contact Contact { get; set; }
public IEnumerable<CustomerDropDown> CustomerDropDownDisp { get; set; }
public IEnumerable<SupplierDropDown> SupplierDropDownDisp { get; set; }
// To protect from overposting attacks,enable the specific properties you want to bind to,for
// more details,see https://aka.ms/RazorPagesCRUD.
public async Task<IActionResult> OnPostAsync()
{
if (!ModelState.IsValid)
{
//Error
toastNotification.AddErrorToastMessage("Model State is invalid");
return Page();
}
_context.Contact.Add(Contact);
//Success
toastNotification.AddSuccessToastMessage("Successfully saved");
await _context.SaveChangesAsync();
return RedirectToPage("/ContactsOverview/Index");
}
}
}
==== 这是我的页面代码 ========
我没有在这里实现任何东西（以防万一）
@page
@using WorkCollaboration.Models
@using Microsoft.AspNetCore.Localization
@using Microsoft.AspNetCore.Mvc.Localization
@model WorkCollaboration.Pages.Contacts.CreateModel
@{
ViewData["Title"] = "Create";
ViewData["RandomId"] = Guid.NewGuid().GetHashCode();
}
@inject IViewLocalizer Localizer
@await Component.InvokeAsync("NToastNotify")
<h1>@Localizer["Create"]</h1>
<h4>@Localizer["Contact"]</h4>
<p>
<a asp-page="/ContactsOverview/Index">@Localizer["Back to Index"]</a>
</p>
<hr />
<div class="row">
<div class="col-md-4">
<form method="post">
<div asp-validation-summary="ModelOnly" class="text-danger"></div>
<div class="form-group">
<label asp-for="Contact.ContactId" class="control-label"></label>
<input asp-for="Contact.ContactId" value='@ViewData["RandomId"]' readonly="readonly" class="form-control" />
<span asp-validation-for="Contact.ContactId" class="text-danger"></span>
</div>
<div class="form-group">
<label asp-for="Contact.LastName" class="control-label"></label>
<input asp-for="Contact.LastName" class="form-control" />
<span asp-validation-for="Contact.LastName" class="text-danger"></span>
</div>
<div class="form-group">
<label asp-for="Contact.FirstName" class="control-label"></label>
<input asp-for="Contact.FirstName" class="form-control" />
<span asp-validation-for="Contact.FirstName" class="text-danger"></span>
</div>
<div class="form-group">
<label asp-for="Contact.CustomerId" class="control-label"></label>
</div>
<select id="CusId" asp-for="CustomerDropDownDisp" asp-items="@(new SelectList(Model.CustomerDropDownDisp,"CusId","CusName"))">
<option value="" selected disabled>--Choose Customer--</option>
</select>
<div class="form-group">
<input asp-for="Contact.CustomerId" readonly="readonly" class="form-control" />
<span asp-validation-for="Contact.CustomerId" class="text-danger"></span>
</div>
<div class="form-group">
<label asp-for="Contact.SupplierId" class="control-label"></label>
</div>
<select id="SupId" asp-for="SupplierDropDownDisp" asp-items="@(new SelectList(Model.SupplierDropDownDisp,"SupId","SupName"))">
<option value="" selected disabled>--Choose Supplier--</option>
</select>
<div class="form-group">
<input asp-for="Contact.SupplierId" readonly="readonly" class="form-control" />
<span asp-validation-for="Contact.SupplierId" class="text-danger"></span>
</div>
<div class="form-group">
<label asp-for="Contact.PrivateStreet" class="control-label"></label>
<input asp-for="Contact.PrivateStreet" class="form-control" />
<span asp-validation-for="Contact.PrivateStreet" class="text-danger"></span>
</div>
<div class="form-group">
<label asp-for="Contact.PrivateStreetNo" class="control-label"></label>
<input asp-for="Contact.PrivateStreetNo" class="form-control" />
<span asp-validation-for="Contact.PrivateStreetNo" class="text-danger"></span>
</div>
<div class="form-group">
<label asp-for="Contact.PrivateStreetAdditionalInfo" class="control-label"></label>
<input asp-for="Contact.PrivateStreetAdditionalInfo" class="form-control" />
<span asp-validation-for="Contact.PrivateStreetAdditionalInfo" class="text-danger"></span>
</div>
<div class="form-group">
<label asp-for="Contact.PrivateZip" class="control-label"></label>
<input asp-for="Contact.PrivateZip" class="form-control" />
<span asp-validation-for="Contact.PrivateZip" class="text-danger"></span>
</div>
<div class="form-group">
<label asp-for="Contact.PrivateTown" class="control-label"></label>
<input asp-for="Contact.PrivateTown" class="form-control" />
<span asp-validation-for="Contact.PrivateTown" class="text-danger"></span>
</div>
<div class="form-group">
@Html.LabelFor(model => model.Contact.PrivateCountry,htmlAttributes: new { @class = "form-group" })
<div class="form-group">
@Html.DropDownListFor(model => model.Contact.PrivateCountry,new List<SelectListItem>
{
new SelectListItem {Text = "CH",Value = "CH",Selected = true },new SelectListItem {Text = "D",Value = "D" },new SelectListItem {Text = "FL",Value = "FL" },},new { @class = "form-control" })
@Html.ValidationMessageFor(model => model.Contact.PrivateCountry,"",new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
<label asp-for="Contact.PrivatePhone" class="control-label"></label>
<input asp-for="Contact.PrivatePhone" class="form-control" />
<span asp-validation-for="Contact.PrivatePhone" class="text-danger"></span>
</div>
<div class="form-group">
<label asp-for="Contact.BusinessPhone" class="control-label"></label>
<input asp-for="Contact.BusinessPhone" class="form-control" />
<span asp-validation-for="Contact.BusinessPhone" class="text-danger"></span>
</div>
<div class="form-group">
<label asp-for="Contact.MobilePhone" class="control-label"></label>
<input asp-for="Contact.MobilePhone" class="form-control" />
<span asp-validation-for="Contact.MobilePhone" class="text-danger"></span>
</div>
<div class="form-group">
<label asp-for="Contact.Mail" class="control-label"></label>
<input type="email" asp-for="Contact.Mail" class="form-control" />
<span asp-validation-for="Contact.Mail" class="text-danger"></span>
</div>
<div class="form-group">
<label asp-for="Contact.CusRating" class="control-label"></label>
<input asp-for="Contact.CusRating" value="0" class="form-control" />
<span asp-validation-for="Contact.CusRating" class="text-danger"></span>
</div>
<div class="form-group">
<label asp-for="Contact.SupRating" class="control-label"></label>
<input asp-for="Contact.SupRating" value="0" class="form-control" />
<span asp-validation-for="Contact.SupRating" class="text-danger"></span>
</div>
<div class="form-group">
@Html.LabelFor(model => model.Contact.CusBadges,htmlAttributes: new { @class = "form-group" })
<div class="form-group">
@Html.DropDownListFor(model => model.Contact.CusBadges,new List<SelectListItem>
{
new SelectListItem {Text = "None",Value = "None",new SelectListItem {Text = "Iron",Value = "Iron" },new SelectListItem {Text = "Bronze",Value = "Bronze" },new SelectListItem {Text = "Silver",Value = "Silver" },new SelectListItem {Text = "Gold",Value = "Gold" },new SelectListItem {Text = "Platin",Value = "Platin" },new { @class = "form-control" })
@Html.ValidationMessageFor(model => model.Contact.CusBadges,new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
@Html.LabelFor(model => model.Contact.SupBadges,htmlAttributes: new { @class = "form-group" })
<div class="form-group">
@Html.DropDownListFor(model => model.Contact.SupBadges,new { @class = "form-control" })
@Html.ValidationMessageFor(model => model.Contact.SupBadges,new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
<label asp-for="Contact.CusPoints" class="control-label"></label>
<input asp-for="Contact.CusPoints" value="0" class="form-control" />
<span asp-validation-for="Contact.CusPoints" class="text-danger"></span>
</div>
<div class="form-group">
<label asp-for="Contact.SupPoints" class="control-label"></label>
<input asp-for="Contact.SupPoints" value="0" class="form-control" />
<span asp-validation-for="Contact.SupPoints" class="text-danger"></span>
</div>
<div class="form-group">
<input type="submit" value="Create" class="btn btn-primary" />
<a href="/ContactsOverview/Index" class="btn btn-primary">@Localizer["Back to List"]</a>
</div>
</form>
</div>
</div>
<script src="~/lib/jquery/dist/jquery.min.js"></script>
<script src="~/lib/jquery-validation/dist/jquery.validate.min.js"></script>
<script src="~/lib/jquery-validation-unobtrusive/jquery.validate.unobtrusive.min.js"></script>
<script>
$("#CusId").on("change",function () {
$("#Contact_CustomerId").val($("#CusId").val());
});
$("#SupId").on("change",function () {
$("#Contact_SupplierId").val($("#SupId").val());
});
</script>
@section Scripts {
@{await Html.RenderPartialAsync("_ValidationScriptsPartial");}
}
感谢您的支持
解决方法
您可以将此行移动到布局页面。
@await Component.InvokeAsync("NToastNotify")
因此，即使您重定向到另一个页面，通知仍会显示。
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