.Net Core - 模型绑定 MultipleViews/BindPoperty

Question

我正在尝试在两个属性上使用 模型绑定，它们都具有 BindProperty 到 IList。

我将有 X 个单元格，然后对于每个 selected 单元格（单元格对象中的 bool），我有 1 Reference。因此，在一个实际示例中，我有 21 个单元格，其中 3 个是 selected，所以我必须 select 1 个 selected 单元格 的参考。到这里为止一切都很好，但是当进入我的 Post Handler 时，我存储的 ILists 正在合并，换句话说，数据存储在同一个 IList 中。因此，当 SelectedCells 和 SelectedReferences（见下文）应该分别有 21 个和 3 个对象时，它们都有 21 个，并且具有相同名称（例如 Id）的属性将被覆盖。

如果视图与两个不同的视图模型相关联，难道不应该将 IList 识别为不同的吗？

[BindProperty]
public IList<CellViewModel> SelectedCells { get; set; }

//Was trying to play with ModelBinder type to force them to be treated as different types, unsuccessfully
//[ModelBinder(BinderType =(typeof(ReferenceViewModel)))]
[BindProperty]
public IList<ReferenceViewModel> SelectedReferences { get; set; }

观看次数

单元格

@model IList<NoPaper.ViewModels.CellViewModel>


<if include-if="Model.Count == 0">
    <alert type="Warning">
        Não existem células nesta unidade de produção
    </alert>
</if>
<if include-if="Model.Count > 0">

    <div class="list-group list-group-horizontal row">
        @for (int i = 0; i < Model.Count(); i++)
        {
            <if include-if='Model[i].CellCategoryDescription == "Célula Robot" '>
                <div class="list-group-item list-group-item-action text-center col-md-2" style="cursor:pointer;">
                    <input type="hidden" class="cell-value" asp-for="@Model[i].Id" />
                    <input type="hidden" class="cell" asp-for="@Model[i].IsSelected" />
                    @Model[i].Name<text style="font-weight:bold;">(R)</text>
                </div>
            </if>
            <if include-if='Model[i].CellCategoryDescription == "Célula Manual" '>
                <div class="list-group-item list-group-item-action text-center col-md-2" style="cursor:pointer;">
                    <input type="hidden" class="cell-value" asp-for="@Model[i].Id" />
                    <input type="hidden" class="cell" asp-for="@Model[i].IsSelected" />
                    @Model[i].Name<text style="font-weight:bold;">(M)</text>
                </div>
            </if>        
        }
        </div>
</if>

参考资料

@model IList<NoPaper.ViewModels.ReferenceViewModel>


<if include-if="Model.Count == 0">
    <alert type="Warning">
        Não existem referências nesta unidade de produção
    </alert>
</if>
<if include-if="Model.Count > 0">

    <div class="justify-content-center">
        @for (int i = 0; i < Model.Count(); i++)
        {
            <div class="form-row">
                <div class="form-group ">
                    <text>@Model[i].CellId</text>

                    <label asp-for="@Model[i].myId"></label>
                    <select asp-for="@Model[i].myId" asp-items="Model[i].ReferencesSL" class="custom-select">
                        <option value="">--</option>
                    </select>
                    <span asp-validation-for="@Model[i].myId" class="text-danger"></span>
                </div>
            </div>
        }
    </div>

</if>

Answer 1

您可以尝试将名称属性添加到您的输入中，.net core 绑定数据名称 attribute.For 例如，如果您想绑定 SelectedCells:

<input type="hidden" class="cell-value" asp-for="@Model[i].Id" name="SelectedCells[@i].Id"/>

如果要绑定 SelectedReferences:

<input type="hidden" class="cell-value" asp-for="@Model[i].Id" name="SelectedReferences[@i].Id"/>

.Net Core - 模型绑定 MultipleViews/BindPoperty

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