DxGridListEditor.UnselectAll() Method

Deselects all the selected objects.

Namespace: DevExpress.ExpressApp.Blazor.Editors

Assembly: DevExpress.ExpressApp.Blazor.v23.2.dll

NuGet Package: DevExpress.ExpressApp.Blazor

Declaration

C#

public void UnselectAll()

VB.NET

Public Sub UnselectAll

Remarks

The code sample below demonstrates how to create a simple action that deselects all records within a List View:

File:
MySolution.Blazor.Server\Controllers\MySelectController.cs in solutions without the ASP.NET Core Blazor-specific module project. MySolution.Module.Blazor\Controllers\MySelectController.cs in solutions with the ASP.NET Core Blazor-specific module project.

C#

using DevExpress.ExpressApp;
using DevExpress.ExpressApp.Actions;
using DevExpress.ExpressApp.Blazor.Editors;
using DevExpress.Persistent.Base;
using MySolution.Module.BusinessObjects;
using System;
// ...
public class MySelectController : ObjectViewController<ListView, DemoTask> {
    public MySelectController() {
        SimpleAction unselectAllTasksAction = new SimpleAction(this, "UnselectAllTasksAction", PredefinedCategory.View) {
            Caption = "Unselect All Tasks",
            SelectionDependencyType = SelectionDependencyType.RequireMultipleObjects,
            TargetViewNesting = Nesting.Root
        };
        unselectAllTasksAction.Execute += UnselectAllTasksAction_Execute; ;
    }

    private void UnselectAllTasksAction_Execute(object sender, SimpleActionExecuteEventArgs e) {
        if(View.Editor is DxGridListEditor gridListEditor) {
            gridListEditor.UnselectAll();
        }
    }
}