按照https://www.mikesdotnetting.com/article/343/improved-remote-validation-in-razor-pages的说法,我遵循了教程并实现了PageRemote。但是,如果将其应用于模型的属性,并且我将该模型用作属性,则它不起作用。
public class Draft
{
public int Id { get; set; }
[PageRemote(ErrorMessage = "Invalid data", AdditionalFields = "__RequestVerificationToken", HttpMethod = "post", PageHandler = "CheckReference")]
public string Reference { get; set; }
}
[BindProperty]
public Draft Draft { get; set; }
public JsonResult OnPostCheckReference()
{
var valid = !Draft.Reference.Contains("12345");
return new JsonResult(valid);
}在我的页面上
<tab>
<tab-item icon="fas fa-arrow-left" url="@Url.Page("../Index")"></tab-item>
<tab-item icon="fas fa-list" url="@Url.Page("Index")"></tab-item>
<tab-item icon="fas fa-plus" is-active="true"></tab-item>
</tab>
<form method="post">
<card>
<card-header icon="fas fa-plus" title="Draft"></card-header>
<card-body>
<input asp-for="Draft.Reference" />
<span asp-validation-for="Draft.Reference" class="text-danger"></span>
</card-body>
<card-footer>
<button class="btn btn-success"><i class="fas fa-plus"></i> Adicionar </button>
</card-footer>
</card>
</form>
@section Scripts{
@{ await Html.RenderPartialAsync("_ValidationScriptsPartial"); }
<script src="~/lib/jquery-ajax-unobtrusive/dist/jquery.unobtrusive-ajax.min.js"></script>
}发布于 2020-06-24 03:02:31
对嵌套模型属性的远程验证不允许您在父对象上指定其他字段。__RequestVerificationToken始终位于模型的根上。jquery.validate.unobtrusive.js的源代码正在查找以*.为前缀的字段,并为其添加前缀模型名称。asp-for标签帮助器将*.添加到字段的开头。
您可以通过在*.中手动指定属性并从属性中删除AdditionalFields来绕过此前缀。
PageRemoteAttribute:
public class Draft
{
public int Id { get; set; }
[PageRemote(ErrorMessage = "Invalid data", HttpMethod = "post", PageHandler = "CheckReference")]
public string Reference { get; set; }
}Html:
<input asp-for="Reference" data-val-remote-additionalfields="__RequestVerificationToken" />https://stackoverflow.com/questions/59335713
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