EditDialog 弹窗中复合对象属性不为空验证及编辑弹窗中通过id后台数据库取数赋值后保存提示为null

[Tony-ST0754]

Which class is this unit test associated with?

BlazorApp2-complextest..zip

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[Tony-ST0754]

第2个Demo，通过ID在编辑弹窗中从数据库获取要编辑的数据，复现对象相应属性为null

BlazorApp2--通过ID后台取数.zip

[Tony-ST0754]

Demo2的问题，难道是从后台取数后，不能直接

 Model = await GetDateAsync();

是需要

  Test t1 = await GetDateAsync();
  Model.id = t1.id;
  Model.FullName = t1.FullName;

 //要这样一个个属性重新赋值回去吗

[Tony-ST0754]

Demo2的问题，难道是从后台取数后，不能直接

 Model = await GetDateAsync();

是需要

  Test t1 = await GetDateAsync();
  Model.id = t1.id;
  Model.FullName = t1.FullName;

 //要这样一个个属性重新赋值回去吗

还真是这样，传到编辑弹窗里面的对象，不能重new它，Model = await GetDateAsync();这样相当于重新new它了

web，让我有了新的认知

[Tony-ST0754]

Demo2的问题，难道是从后台取数后，不能直接

 Model = await GetDateAsync();

是需要

  Test t1 = await GetDateAsync();
  Model.id = t1.id;
  Model.FullName = t1.FullName;

 //要这样一个个属性重新赋值回去吗

还真是这样，传到编辑弹窗里面的对象，不能重new它，Model = await GetDateAsync();这样相当于重新new它了

web，让我有了新的认知

搞定，已通过AutoMap，搞定了

[ArgoZhang]

@if (Model.Student != null)
{
    <BootstrapInput @bind-value="@Model.Student.Name" DisplayText="名称"></BootstrapInput>
    <BootstrapInput @bind-value="@Model.Student.Fullname" DisplayText="全称"></BootstrapInput>
}
else
{
    <p>正在加载学生信息...</p>
}

@code {
    [Parameter, NotNull, EditorRequired]
    public TestFoo? Model { get; set; }

    [Parameter]
    public EventCallback<TestFoo> ModelChanged { get; set; }

    protected override async Task OnInitializedAsync()
    {
        await base.OnInitializedAsync();

        if (Model.Id > 0)
        {
            // 模拟从数据库加载已有数据
            Model.Student = await GetSutdent();
        }
    }

    private async Task<TestStudent> GetSutdent()
    {
        await Task.Delay(500); // 模拟异步操作
        return await Task.FromResult(new TestStudent
        {
            StuId = 1,
            Name = "Existing Student",
            Fullname = "Existing Student Fullname"
        });
    }
}

[Tony-ST0754]

感谢