我正在嘗試從這個 razor 頁面中的最后一個表單組回傳一個 meetingSpace 物件:
<form method="post">
<input type="hidden" asp-for="Booking.Id" />
<div class="form-group">
<label asp-for="Booking.Name"></label>
<input asp-for="Booking.Name" class="form-control" />
<span class="text-danger" asp-validation-for="Booking.Name"></span>
</div>
<div class="form-group">
<label asp-for="Booking.Start">Start</label>
<input asp-for="Booking.Start" class="form-control" />
<span class="text-danger" asp-validation-for="Booking.Start"></span>
</div>
<div class="form-group">
<label asp-for="Booking.Duration">Duration</label>
<input asp-for="Booking.Duration" class="form-control" />
<span class="text-danger" asp-validation-for="Booking.Duration"></span>
</div>
<div class="form-group">
<label asp-for="Booking.MeetingSpace">Room</label>
<select data-value="true" data-va-required="The meeting space field is required" id="MeetingSpace.Id" name="MeetingSpace.Name">
@foreach (var meetingSpace in Model.meetingSpaces)
{
<option value="meetingSpace">@meetingSpace.Name</option>
}
</select>
</div>
<button type="submit" class="btn btn-primary">Save</button>
</form>
我不確定如何設定此選擇下拉串列以將值回傳到 Booking.MeetingSpace 屬性。我可以在下拉串列中看到 meetingSpace 物件的串列,但在選擇一個選項后,創建/編輯的物件中的 meetingSpace 欄位不會像表單中的其他屬性一樣回傳。我也嘗試過使用 Booking.MeetingSpaceId int 進行同樣的操作,但在提交表單后仍未填充。
uj5u.com熱心網友回復:
嘗試更改名稱屬性值可能是系結問題,如下所示:
<select data-value="true" data-va-required="The meeting space field is required" id="Booking.MeetingSpace.Id" name="Booking.MeetingSpace.Name">
@foreach (var meetingSpace in Model.meetingSpaces)
{
<option value="@meetingSpace.Id">@meetingSpace.Name</option>
}
</select>
選項值也應該以@ 開頭才能被識別。
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