Validation 子组件上的Ant design blazor验证未显示验证消息
我正在使用Ant design Blazor,试图创建一个子组件,并像往常一样从父组件应用验证。下面是我的代码 子组件Validation 子组件上的Ant design blazor验证未显示验证消息,validation,blazor,ant-design-blazor,Validation,Blazor,Ant Design Blazor,我正在使用Ant design Blazor,试图创建一个子组件,并像往常一样从父组件应用验证。下面是我的代码 子组件 <AntDesign.FormItem Label="@Label"> <AntDesign.InputNumber Step="Step" Min="Min" @bind-Value="@Amount" OnChange="OnAmountChanged&quo
<AntDesign.FormItem Label="@Label">
<AntDesign.InputNumber Step="Step" Min="Min" @bind-Value="@Amount" OnChange="OnAmountChanged"
TValue="double?" />
</AntDesign.FormItem>
@code {
[Parameter]
public string Label { get; set; }
[Parameter]
public double Step { get; set; }
[Parameter]
public double Min { get; set; } = double.MinValue;
[Parameter]
public double Max { get; set; } = double.MaxValue;
[Parameter]
public string Placeholder { get; set; }
[Parameter]
public double? Amount { get; set; }
[Parameter]
public EventCallback<double?> AmountChanged { get; set; }
private async Task OnAmountChanged(double? value)
{
await AmountChanged.InvokeAsync(value);
}
}
<AntDesign.Content>
<AntDesign.Form LabelColSpan="8"
WrapperColSpan="16"
Model="@exchangeRate"
OnFinish="@OnFinish"
OnFinishFailed="@OnFinishFailed">
<Validator>
<FluentValidator TValidator="ExchangeRateValidator" />
</Validator>
<ChildContent>
<AntDesign.FormItem Label="Rate">
<AntDesign.InputNumber Step="0.1" Min="0" @bind-Value="context.Rate" Formatter="RateFormat" />
</AntDesign.FormItem>
<FormItem Label="Date">
<DatePicker TValue="DateTime?" Format="yyyy/MM/dd" @bind-Value="context.Date">
</DatePicker>
</FormItem>
<InputNumberComponent Label="Rate" @bind-Amount="context.Amount"></InputNumberComponent>
<Button Type="primary" HtmlType="submit">Submit</Button>
</ChildContent>
</AntDesign.Form>
</AntDesign.Content>
@代码{
[参数]
公共字符串标签{get;set;}
[参数]
公共双步骤{get;set;}
[参数]
public double Min{get;set;}=double.MinValue;
[参数]
public double Max{get;set;}=double.MaxValue;
[参数]
公共字符串占位符{get;set;}
[参数]
公共双倍?金额{get;set;}
[参数]
public EventCallback AmountChanged{get;set;}
已更改的专用异步任务(双值)
{
wait AmountChanged.InvokeAsync(值);
}
}
父组件
<AntDesign.FormItem Label="@Label">
<AntDesign.InputNumber Step="Step" Min="Min" @bind-Value="@Amount" OnChange="OnAmountChanged"
TValue="double?" />
</AntDesign.FormItem>
@code {
[Parameter]
public string Label { get; set; }
[Parameter]
public double Step { get; set; }
[Parameter]
public double Min { get; set; } = double.MinValue;
[Parameter]
public double Max { get; set; } = double.MaxValue;
[Parameter]
public string Placeholder { get; set; }
[Parameter]
public double? Amount { get; set; }
[Parameter]
public EventCallback<double?> AmountChanged { get; set; }
private async Task OnAmountChanged(double? value)
{
await AmountChanged.InvokeAsync(value);
}
}
<AntDesign.Content>
<AntDesign.Form LabelColSpan="8"
WrapperColSpan="16"
Model="@exchangeRate"
OnFinish="@OnFinish"
OnFinishFailed="@OnFinishFailed">
<Validator>
<FluentValidator TValidator="ExchangeRateValidator" />
</Validator>
<ChildContent>
<AntDesign.FormItem Label="Rate">
<AntDesign.InputNumber Step="0.1" Min="0" @bind-Value="context.Rate" Formatter="RateFormat" />
</AntDesign.FormItem>
<FormItem Label="Date">
<DatePicker TValue="DateTime?" Format="yyyy/MM/dd" @bind-Value="context.Date">
</DatePicker>
</FormItem>
<InputNumberComponent Label="Rate" @bind-Amount="context.Amount"></InputNumberComponent>
<Button Type="primary" HtmlType="submit">Submit</Button>
</ChildContent>
</AntDesign.Form>
</AntDesign.Content>
提交
可以看出,我使用@bind Amount直接将Amount的值绑定到组件。但是,当我单击Submit按钮时,它会触发验证,并在前两个字段上显示验证消息,而不是在子组件上
有什么建议吗?我的一位同事能帮我解答这个问题。我们必须研究蚁族设计Blazor的源代码,以便找出发生了什么并得到答案。为了获取验证消息,Ant依赖于EditContext中的验证消息,但使用Any输入控件的FieldIdentifier检索它们 FieldIdentifier是由Ant使用控件的ValueExpression而不是值创建的。当我们从子控件设置值时,值作为值表达式,反过来,在查找验证消息时,它根据值搜索错误消息,而不是实际的模型字段
绑定到子属性时,将ValueExpression设置为绑定表达式修复了该问题。您是否可以共享您的修复?