(item) } @code { [Parameter] public RenderFragment Header { get; set; } [Parameter] public RenderFragment<RowType> RowTemplate{ get; set; } [Parameter] public IEnumerable<RowType> RowData { get; set; } } Listing 34-19.Adding a Generic Type Parameter in the TableTemplate.razor File in...
A templated Razor component can also define multiple component parameters of type RenderFragment or RenderFragment<T>. The parameter for a RenderFragment<T> can be specified when it's invoked. To specify a generic type parameter for a component, use the @typeparam Razor directive....
@code { [Parameter] public string Text { get; set; } = "Initial value"; } 然后,可以使用标记或标记帮助器语法设置值,如以下代码段所示:<!-- in a .razor file --> <SomeComponent Text="Hello, World" /> <!-- in a .cshtml file --> <component type="typeof(SomeComponent)" param-...
"TypeValue"));IPrincipalprincipal=newGenericPrincipal(identity,new[]{"admin","role2"});//判断当前用户是认证或说登录boolisAuthenticated=principal.Identity.IsAuthenticated;//判断当前用户是否拥有某角色boolisInRole=principal.Identity.IsInRole("Admin");...
You can extract the combobox in a separate component and use the generic type parameter: Razor@typeparam TData @typeparam TValue @using DevExtreme.AspNet.Data @using DevExtreme.AspNet.Data.ResponseModel <DxComboBox TData="TData" TValue="TValue" CustomData="LoadCustomData"></DxComboBox> @...
parentCascadeParameter1; [Parameter] public CascadingType? ParentCascadeParameter2 { get; set; } } In a descendant component, the cascaded parameters receive their cascaded values from the ancestor component by Name:razor Copy @code { [CascadingParameter(Name = "CascadeParam1")] protected ...
[CascadingParameter]privateTask<AuthenticationState>stateTask {get;set; } privateClaimsPrincipal user; protectedoverrideasyncTaskOnInitializedAsync() { varauthState =awaitstateTask; user = authState.User; } } 使用服务获取用户信息 @injectAuthenticationStateProvider AuthenticationStateProvider ...
Generic type supports:TValueparameter should be defined if he is not inferred. Supported types:sbyte,byte,short,ushort,int,uint,long,ulong,char,float,double,decimal,decimal? Supports Blazor validation usingEditContext MatRadioButton Generic type supports:TValueparameter should be defined if he is not...
class TypeReference<T> implements Comparable<TypeReference<T>> { protected final Type _type; ...
Note that frequently the generic type parameter is just inferred by the framework and may not be specified.Programming Aspects of TemplatesA Blazor template is an instance of the RenderFragment type. Put another way, it’s a chunk of markup being rendered by the Razor view engine that can be...