Class RadzenTreeLevel

Namespace

Radzen.Blazor

Assembly

Radzen.Blazor.dll

Configures a level of nodes in a RadzenTree during data-binding.

public class RadzenTreeLevel : ComponentBase, IComponent, IHandleEvent, IHandleAfterRender

Inheritance

object

ComponentBase

RadzenTreeLevel

Implements

IComponent

IHandleEvent

IHandleAfterRender

Inherited Members

ComponentBase.BuildRenderTree(RenderTreeBuilder)

ComponentBase.OnInitialized()

ComponentBase.OnInitializedAsync()

ComponentBase.OnParametersSet()

ComponentBase.OnParametersSetAsync()

ComponentBase.StateHasChanged()

ComponentBase.ShouldRender()

ComponentBase.OnAfterRender(bool)

ComponentBase.OnAfterRenderAsync(bool)

ComponentBase.InvokeAsync(Action)

ComponentBase.InvokeAsync(Func<Task>)

ComponentBase.DispatchExceptionAsync(Exception)

ComponentBase.SetParametersAsync(ParameterView)

object.GetType()

object.MemberwiseClone()

object.ToString()

object.Equals(object)

object.Equals(object, object)

object.ReferenceEquals(object, object)

object.GetHashCode()

Examples

<RadzenTree Data=@rootEmployees>
    <RadzenTreeLevel TextProperty="LastName" ChildrenProperty="Employees1"  HasChildren=@(e => (e as Employee).Employees1.Any()) />
</RadzenTree>
@code {
 IEnumerable<Employee> rootEmployees; 
 protected override void OnInitialized()
 {
    rootEmployees = NorthwindDbContext.Employees.Where(e => e.ReportsTo == null);
 }
}

Constructors

RadzenTreeLevel()

public RadzenTreeLevel()

Properties

Checkable

Determines the if the checkbox of the child item can be checked.

[Parameter]
public Func<object, bool> Checkable { get; set; }

Property Value

Func<object, bool>

Examples

<RadzenTreeLevel Checkable=@(e => (e as Employee).LastName != null) />

CheckableProperty

Specifies the name of the property which provides values for the Checkable property of the child items.

[Parameter]
public string CheckableProperty { get; set; }

Property Value

string

ChildrenProperty

Specifies the name of the property which returns child data. The value returned by that property should be IEnumerable

[Parameter]
public string ChildrenProperty { get; set; }

Property Value

string

Expanded

Determines if a child item is expanded or not. Set to value => false by default.

[Parameter]
public Func<object, bool> Expanded { get; set; }

Property Value

Func<object, bool>

Examples

<RadzenTreeLevel Expanded=@(e => (e as Employee).Employees1.Any()) />

HasChildren

Determines if a child item has children or not. Set to value => true by default.

[Parameter]
public Func<object, bool> HasChildren { get; set; }

Property Value

Func<object, bool>

Examples

<RadzenTreeLevel HasChildren=@(e => (e as Employee).Employees1.Any()) />

Selected

Determines if a child item is selected or not. Set to value => false by default.

[Parameter]
public Func<object, bool> Selected { get; set; }

Property Value

Func<object, bool>

Examples

<RadzenTreeLevel Selected=@(e => (e as Employee).LastName == "Fuller") />

Template

Gets or sets the template.

[Parameter]
public RenderFragment<RadzenTreeItem> Template { get; set; }

Property Value

RenderFragment<RadzenTreeItem>

Text

Determines the text of a child item.

[Parameter]
public Func<object, string> Text { get; set; }

Property Value

Func<object, string>

Examples

<RadzenTreeLevel Text=@(e => (e as Employee).LastName) />

TextProperty

Specifies the name of the property which provides values for the Text property of the child items.

[Parameter]
public string TextProperty { get; set; }

Property Value

string

Tree

The RadzenTree which this item is part of.

[CascadingParameter]
public RadzenTree Tree { get; set; }

Property Value

RadzenTree