Class DiagramDataSource

Acts as a repository for the collection of objects to be mapped and populated in the layout of the diagram.

Inheritance
System.Object
Syncfusion.Blazor.SfBaseComponent
Syncfusion.Blazor.SfBaseExtension
DiagramDataSource
Namespace: Syncfusion.Blazor.Diagrams
Assembly: Syncfusion.Blazor.dll
Syntax
public class DiagramDataSource : SfBaseExtension
Examples
  
<SfDiagram>
  <DiagramDataSource Id = "Name" ParentId="Category" DataSource="@DataSource" DataMapSettings="@Datamap">
      <DiagramDataMapSettings>
          <DiagramDataMapSetting Property = "Annotations[0].Content" Field="Name"></DiagramDataMapSetting>
      </DiagramDataMapSettings>
  </DiagramDataSource>
</SfDiagram>
public class HierarchicalDetails
{
  public string Name { get; set; }
  public string FillColor { get; set; }
  public string Category { get; set; }
  {
    List<DiagramDataMapSetting> Datamap { get; set; } = new List<DiagramDataMapSetting>()
    new DiagramDataMapSetting() { Property = "Shape.TextContent", Field = "Name" }
  };
  //Create the data source with node name and fill color values.
  public List<object> DataSource = new List<object>()
  {
   new HierarchicalDetails(){ Name ="Diagram", Category="",FillColor="#916DAF"},
   };
 }

Constructors

DiagramDataSource()

Declaration
public DiagramDataSource()

Properties

ChildContent

Represents a segment of UI content, implemented.

Declaration
public RenderFragment ChildContent { get; set; }
Property Value
Type Description
Microsoft.AspNetCore.Components.RenderFragment

ConnectionDataSource

Defines the collection of connector’s data source objects.

Declaration
public DiagramConnectionDataSource ConnectionDataSource { get; set; }
Property Value
Type Description
DiagramConnectionDataSource

DataMapSettings

A collection of JSON objects, where each object represents the items mapped to the specific node.

Declaration
public List<DiagramDataMapSetting> DataMapSettings { get; set; }
Property Value
Type Description
System.Collections.Generic.List<DiagramDataMapSetting>

DataSource

A repository for the collection of objects to be mapped and populated in the diagram.

Declaration
public object DataSource { get; set; }
Property Value
Type Description
System.Object
Examples
  
<SfDiagram>
//Set the DataSource in the DiagramDataSource
  <DiagramDataSource DataSource = ”@DataSource”>
 </DiagramDataSource>
</SfDiagram>
//Create the data source with node name and fill color values.
  public List<object> DataSource = new List<object>()
 {
    new HierarchicalDetails(){ Name ="Diagram", Category="",FillColor="#916DAF"},
    new HierarchicalDetails(){ Name ="Layout", Category="Diagram",FillColor=""},
 };

Id

Sets a unique Id for the data source in the diagram.

Declaration
public string Id { get; set; }
Property Value
Type Description
System.String
Remarks

The Id should be unique always, else overlap over the data source might occur.

jsProperty

Declaration
protected override string jsProperty { get; set; }
Property Value
Type Description
System.String
Overrides
Syncfusion.Blazor.SfBaseExtension.jsProperty

mainParent

Declaration
protected override SfBaseExtension mainParent { get; set; }
Property Value
Type Description
Syncfusion.Blazor.SfBaseExtension
Overrides
Syncfusion.Blazor.SfBaseExtension.mainParent

ParentId

Defines a unique Id for all the Data source items. The ParentId clubs all the data source items as a collection.

Declaration
public string ParentId { get; set; }
Property Value
Type Description
System.String

Root

The Root property is used to set the root (primary) node of the diagram populated from the data source.

Declaration
public string Root { get; set; }
Property Value
Type Description
System.String

Methods

BuildRenderTree(RenderTreeBuilder)

Declaration
protected override void BuildRenderTree(RenderTreeBuilder __builder)
Parameters
Type Name Description
Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder

Dispose()

Declaration
public override void Dispose()
Overrides
Syncfusion.Blazor.SfBaseExtension.Dispose()

GetJSNamespace()

Declaration
public string GetJSNamespace()
Returns
Type Description
System.String

Get the parent namespaces

OnInitializedAsync()

Declaration
protected override Task OnInitializedAsync()
Returns
Type Description
System.Threading.Tasks.Task

Returns asynchronous operation when the component is ready to start, having received its initial parameters from its parent in the render tree
Overrides
Syncfusion.Blazor.SfBaseComponent.OnInitializedAsync()

OnParametersSetAsync()

Declaration
protected override Task OnParametersSetAsync()
Returns
Type Description
System.Threading.Tasks.Task

Returns asynchronous operation when the component has received parameters from its parent in the render tree, and the incoming values have been assigned to properties

updateChildProperties(String, Object)

Declaration
public void updateChildProperties(string key, object value)
Parameters
Type Name Description
System.String key
System.Object value