[英]ASP.NET Core: Modal does not pass values to controller method
我的索引包含一個表格,其中顯示了我創建的所有問題(調查)。 但我希望能夠使用模態編輯問題。 因此,我在 foreach 循環中創建了以下模式:
@foreach (var item in Model.Questions)
{
<tr>
<td>
@Html.DisplayFor(modelItem => item.Id)
</td>
<td>
@Html.DisplayFor(modelItem => item.Question1)
</td>
<td>
@Html.DisplayFor(modelItem => item.ReplyOptions)
</td>
<td>
@Html.DisplayFor(modelItem => item.Group)
</td>
<td>
@if (item.CategoryId != null)
{
@Html.DisplayFor(modelItem => item.Category.Name)
}
else
{
<i><font color="red">Nicht zugewiesen</font></i>
}
</td>
<td>
<!-- Button trigger modal -->
<button type="button" class="btn btn-sm" data-toggle="modal" data-target="#@item.Id">
Bearbeiten
</button>
<!-- Modal -->
<div class="modal fade" id="@item.Id" tabindex="-1" role="dialog" aria-labelledby="xxx" aria-hidden="true">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">×</span>
</button>
<h2 class="modal-title" id="xxx">Frage bearbeiten</h2>
</div>
<div class="modal-body">
<form asp-action="Edit">
<div asp-validation-summary="ModelOnly" class="text-danger"></div>
<input type="hidden" asp-for="@item.Id" />
<div class="form-group">
<label asp-for="@item.CategoryId" class="control-label"></label>
<select asp-for="@item.CategoryId" class="form-control" asp-items="ViewBag.CategoryId"></select>
<span asp-validation-for="@item.CategoryId" class="text-danger"></span>
</div>
<div class="form-group">
<label asp-for="@item.Question1" class="control-label"></label>
<input asp-for="@item.Question1" class="form-control" />
<span asp-validation-for="@item.Question1" class="text-danger"></span>
</div>
<div class="form-group">
<label asp-for="@item.ReplyOptions" class="control-label"></label>
<input asp-for="@item.ReplyOptions" class="form-control" />
<span asp-validation-for="@item.ReplyOptions" class="text-danger"></span>
</div>
<div class="form-group">
<label asp-for="@item.Group" class="control-label"></label>
<input asp-for="@item.Group" class="form-control" />
<span asp-validation-for="@item.Group" class="text-danger"></span>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
<button type="submit" class="btn btn-primary">Save</button>
</div>
</form>
</div>
</div>
</div>
</div>
<a asp-action="Delete" asp-route-id="@item.Id">Delete</a>
</td>
</tr>
}
但是我有以下問題:當我想編輯問題並單擊保存時,控制器中的 Edit 方法沒有獲取值。 該方法如下所示:
我該怎么做才能確保傳遞這些值?
我該怎么做才能確保傳遞這些值?
只需為表單中的每個控件添加name屬性:
<div class="modal-body">
<form asp-action="Edit">
<div asp-validation-summary="ModelOnly" class="text-danger"></div>
<input type="hidden" asp-for="@item.Id" name="Id" />
<div class="form-group">
<label asp-for="@item.CategoryId" class="control-label"></label>
<select asp-for="@item.CategoryId" class="form-control" asp-items="ViewBag.CategoryId" name="CategoryId"></select>
<span asp-validation-for="@item.CategoryId" class="text-danger"></span>
</div>
<div class="form-group">
<label asp-for="@item.Question1" class="control-label"></label>
<input asp-for="@item.Question1" class="form-control" name="Question1" />
<span asp-validation-for="@item.Question1" class="text-danger"></span>
</div>
<div class="form-group">
<label asp-for="@item.ReplyOptions" class="control-label"></label>
<input asp-for="@item.ReplyOptions" class="form-control" name="ReplyOptions" />
<span asp-validation-for="@item.ReplyOptions" class="text-danger"></span>
</div>
<div class="form-group">
<label asp-for="@item.Group" class="control-label"></label>
<input asp-for="@item.Group" class="form-control" name="Group" />
<span asp-validation-for="@item.Group" class="text-danger"></span>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
<button type="submit" class="btn btn-primary">Save</button>
</div>
</form>
</div>
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.