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<input type="text" class="form-control @(Class)" @attributes="@Attributes" /> @code { [Parameter(CaptureUnmatchedValues =true)]public Dictionary<string,object>? Attributes{ get; set; } } 使用组件 <FormControl Attributes="@(new Dictionary<string, object>{ ["Title"]="文本框", ["style"]...
Where to locate reference files for multiple platforms in .NET 9.0 MAUI Blazor Hybrid & Web? In Visual Studio 2022, the new version .NET 9.0 project template ".NET MAUI Blazor Hybrid and Web App" will create the following projects in a new solution: ProjectName ProjectName.Shared ProjectName...
为防止呈现逻辑中出现NullReferenceException,请在访问其成员之前检查是否存在null对象。 在以下示例中,如果person.Address为person.Address,则不访问null属性: razor @if(person.Address !=null){<div>@person.Address.Line1</div><div>@person.Address.Line2</div><div>@person.Address.City</div><div>@person...
Visual Studio Code/.NET CLI:從專案的資料夾中,在命令提示字元中執行 dotnet add reference {PATH}。「{PATH}」這個預留位置代表的是 RCL 專案的路徑。 指定RCL 的組件以進行延後載入,並將其寫入 LazyLoadTest 應用程式的專案檔 (.csproj): XML 複製 <ItemGroup> <BlazorWebAssemblyLazyLoad Include="GrantImah...
將Stream 包裝在 DotNetStreamReference 中,以允許將映像資料串流至用戶端。 叫用setSource JavaScript 函式,此函式會接受用戶端上的資料。 注意 伺服器端應用程式會使用專用 HttpClient 服務來提出要求,因此伺服器端 Blazor 應用程式的開發人員不需要採取任何動作,即可註冊 HttpClient 服務。 從 HttpClient 專案範本建立...
//百度地图实例varmap =null;//地图容器控件varcontainerId =null;//初始化百度地图api的jsexport function addScript(key, elementId, dotnetRef, backgroundColor, controlSize) {if(!key || !elementId) {return; }//设置百度地图容器控件idcontainerId =elementId; ...
{"Cache-Control","no-cache, max-age=0, must-revalidate, no-store"}, }; internalclassFileExtensionContentTypeProvider{// Notes:// - This table was initially copied from IIS and has many legacy entries we will maintain for backwards compatibility.// - We only plan to add new entries where...
// Keep a reference to the original values so we can checkifthey have changed EditContext previousEditContext = EditContext; Type previousValidatorType = ValidatorType; await base.SetParametersAsync(parameters); if(EditContext == null) throw new NullReferenceException($"{nameof(FluentValidationValidato...
@code{[Inject]protectedMicrosoft.AspNetCore.Hosting.IWebHostEnvironment?HostEnvironment{get;set;}//获取IWebHostEnvironmentprotectedElementReferenceUploadElement{get;set;}protectedInputFile?inputFile{get;set;}privateDotNetObjectReference<Index>?wrapper;privateIJSObjectReference?module;privateIJSObjectReference?dropIn...