In this tutorial, you learned how to pass parameters from a parent component to a child component. Imagine using this trick while looping through the elements of a collection in order to populate a page? While this approach works for passing data to components on the same page, you may also...
Transfer service is a useful approach when you want all of your components to share a common data source or adopt a "single source of truth" approach. It is not restricted by the component tree and can pass data across all components within your website. The following image illustrates how ...
创建一个Blazor TabControl组件,有两个目标知识点: Pass data into a RenderFragment to give it context. Use a CascadingParameter to pass the parent TabControl component into its child TabPage components. 下面看最终效果图: 实操开始: 请先创建一个Blazor项目(Blazor Client或者Server皆可,我们以Blazor Server...
This step is required because a standalone Blazor WebAssembly app doesn't call a Server project's controller for weather data, it uses a static data file. By copying the FetchData component to the added project, the second client app also makes a web API call to the server API for ...
CascadingValue<TValue>.IsFixed can be used to indicate that a cascading parameter doesn't change after initialization.Cascading values/parameters and render mode boundaries Cascading parameters don't pass data across render mode boundaries: Interactive sessions run in a different context than the pages...
Providing the data for the TreeList component can be done either by: a tree-like structure which contains all nested items as children of the parent item (e.g. your Employee class would have a Children array) OR passing a flat list of all the items that need to be displayed and marking...
bUnit is a testing library for Blazor components that make tests look, feel, and runs like regular unit tests. bUnit makes it easy to render and control a component under test’s life-cycle, pass parameter and inject services into it, trigger event handl
In this unit, you'll learn how to use the <EditForm> element and the input elements to build functional forms. You'll also see how to use data binding with a form. What is an EditForm? An EditForm is a Blazor component that fulfills the role of an HTML form on a Bl...
Component rendering is meta-data driven, so component configuration is in part automatic, and in part can be driven with data annotations. The toolset includes also query tools, to issue complex local or remote queries, changes-tracking tools to send only the changed records to the server, ...
3 Ways to Bind Blazor Data to DOM- October 07, 2019 - One of the most useful Blazor features is the ability to pass data between your front-end DOM elements and back-end C# code. In this tutorial, you will learn techniques for binding C# variables such that they can be displayed in ...