在本例中,InputSelect有几个选项,并且绑定到模型的Color属性,这可能是这些选项之一。表单验证到目前为止,唯一可用的验证器是DataAnnotationsValidator,它使用数据注释 API。为了在表单上进行验证,您需要在EditForm中声明一个验证器,如下所示:<EditForm Model="@model"> <DataAnnotationsValidator /> ... </EditForm>...
The InputNumber component will render as<input type="number">. We can use Int32, Int64, Single, Double, and Decimal as values for the InputNumber component InputSelect<TValue># The InputSelect component will render as<select>. We will create InputSelect later in this chapter, so I won’...
The next example shows how to use the InputRadioGroup<TValue> and InputRadio<TValue> components. You typically use a radio button group to present a series of radio buttons. Each button enables the user to select one value from a given set. An EditForm can contain multiple Rad...
<EditForm Model="@formModel" OnValidSubmit="@HandleValidSubmit"> <DataAnnotationsValidator /> <ValidationSummary /> <InputText @bind-Value="formModel.Name" /> <InputText @bind-Value="formModel.Email" /> <button type="submit">Submit</button> </EditForm> @code { private FormModel formMode...
<InputText @bind-Value="formModel.Email" /> <button type="submit">Submit</button> </EditForm> @code { private FormModel formModel = new FormModel(); private void HandleValidSubmit() { // 处理表单提交 NavigationManager.NavigateTo("/success"); ...
<EditForm EditContext="@CurrentEditContext"> <DataAnnotationsValidator /> <p> <label>Content</label> <Editor Field="() => Model.Content" @bind-Value="Model.Content" ValidationOnInput="@true"/> <ValidationMessage For="() => Model.Content" /> </p> </EditForm> @code { private Model ...
Blazor 只为input和textarea元素提供内置组件。幸运的是,创建一个集成到 Blazor 表单特性中的定制组件是一个简单的过程。将名为CustomSelect.razor的Razor 组件添加到Blazor/Forms文件夹中,并使用它来定义清单 36-8 中所示的组件。@typeparam TValue @inherits InputBase<TValue> <select class="form-control @Css...
.Classification == "Defense")" value="Defense"> Defense </option> </InputSelect> </label> </div> <div> <label> Description (optional): <InputTextArea @bind-Value="Model!.Description" /> </label> </div> <div> <button type="submit">Submit</button> </div> </EditForm> @code { ...
<select> They are dosen't work InputSelectwill need to be within anEditFormas Artak mentioned above. Also, you'll need to use closing tags on the third line of each example (</InputSelect>/</select>). After making these changes, it's working as expected. ...
对于EditForm,请从表单元素中移除 Enhance 参数(或将其设置为 false:Enhance="false")。 对于HTML <form>,请从表单元素中移除 data-enhance 特性(或将其设置为 false:data-enhance="false")。 如果更新后的内容不是服务器呈现的一部分,Blazor 的增强型导航和表单处理可能会撤消对 DOM 的动态更改。 若要保留元...