The following example uses JS interop to pass a byte array to .NET. Provide a sendByteArray JS function. The function is called statically, which includes the assembly name parameter in the invokeMethodAsync call, by a button in the component and doesn't return a value:...
An EditForm can use these same elements, but Blazor provides a library of input components that have other features, such as built-in validation and data binding. Create an EditForm with data binding The <EditForm> element supports data binding with the Model parameter. You specify...
ChildCascadeParameter1 { get; set; } [CascadingParameter(Name = "CascadeParam2")] protected CascadingType? ChildCascadeParameter2 { get; set; } } Pass data across a component hierarchyCascading parameters also enable components to pass data across a component hierarchy. Consider the following UI ...
Create aGridDevExtremeDataSourceclass instance and pass yourIQueryable<T>data collection as the constructor parameter. Assign this instance to the Grid’sDataproperty. The following code snippet uses theEntity Framework Coretechnology to bind the Grid to anIQueryable<T>data collection: ...
First, we need to update our JavaScript so that it returns the handle that is created when we executesetInterval. Then we need to add an additional function that will accept that handle as a parameter and cancel the interval. var BlazorUniversity = BlazorUniversity || {}; ...
Pass Context to Command Buttons With the TreeList component you can have conditional command buttons depending on the properties of the row item. This is achieved by adding the current row item as a context (of type object) to the current ChildContent parameter. Keyboard Navigation The Tree...
<TargetName="GetTasksOutputDlls"BeforeTargets="CoreCompile"><MSBuildProjects="$(PathToTasksFolder)"Targets="Publish;PublishItemsOutputGroup"Properties="Configuration=Release"><OutputTaskParameter="TargetOutputs"ItemName="_TasksProjectOutputs"/></MSBuild></Target> ...
included in the project template to add afooterto theMainLayoutpage. We also add theSectionOutletcomponent and set the value for theSectionNameproperty toCustomFooterSection. If we don’t want to use a named section, we can pass a static object with theSectionIdparameter to identify the ...
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
The JS function now takes a parameter, dotnetHelper. We can use this helper, specifically its invokeMethodAsync function, to call our C# method. As before, when the promise resolves the message passed back from C# is printed to the console. html@inject IJSRuntime jsRuntime Run @code { ...