ToolBar in ASP.NET MVC Tree Grid Component

21 Dec 20223 minutes to read

The TreeGrid provides ToolBar support to handle treegrid actions. The Toolbar property accepts either the collection of built-in toolbar items and ItemModel objects for custom toolbar items or HTML element ID for toolbar template.

Enable/disable toolbar items

You can enable/disable toolbar items by using the enableItems method.

@{
    List<object> toolbarItems = new List<object>();
    toolbarItems.Add("QuickFilter");
    toolbarItems.Add("ClearFilter");
}

@Html.EJS().Button("enable").Content("Enable").Render()

@Html.EJS().Button("disable").Content("Disable").Render()

@(Html.EJS().TreeGrid("ToolbarTemplate").DataSource((IEnumerable<object>)ViewBag.datasource)
      .Columns(col =>
       {
         col.Field("TaskId").HeaderText("Task ID").Width(90).TextAlign(Syncfusion.EJ2.Grids.TextAlign.Right).Add();
         col.Field("TaskName").HeaderText("Task Name").Width(180).Add();
         col.Field("StartDate").HeaderText("Start Date").Format("yMd").TextAlign(Syncfusion.EJ2.Grids.TextAlign.Right).Type("date").Width(90).Add();
         col.Field("Duration").HeaderText("Duration").Width(80).TextAlign(Syncfusion.EJ2.Grids.TextAlign.Right).Add();

       }).Height(200).Toolbar(toolbarItems).ToolbarClick("onToolbarClick").AllowFiltering()
         .ChildMapping("Children").TreeColumnIndex(1).Render())

<script>
    document.getElementById("enable").addEventListener('click', () => {
        var treegrid = document.getElementById("ToolbarTemplate").ej2_instances[0];
        treegrid.toolbarModule.enableItems([treegrid.element.id + '_gridcontrol_QuickFilter', treegrid.element.id + '_gridcontrol_ClearFilter'], true);// enable toolbar items.
    });
    document.getElementById("disable").addEventListener('click', () => {
        var treegrid = document.getElementById("ToolbarTemplate").ej2_instances[0];
        treegrid.toolbarModule.enableItems([treegrid.element.id + '_gridcontrol_QuickFilter', treegrid.element.id + '_gridcontrol_ClearFilter'], false);// disable toolbar items.
    });
    function onToolbarClick(args) {
        if (args.item.text === 'QuickFilter') {
            var treegrid = document.getElementById("ToolbarTemplate").ej2_instances[0];
            treegrid.filterByColumn("TaskName", "startswith", "Testing");
        }
        if (args.item.text === 'ClearFilter') {
            var treegrid = document.getElementById("ToolbarTemplate").ej2_instances[0];
            treegrid.clearFiltering();
        }
    }
</script>
public IActionResult Index()
{
    var tree = TreeData.GetDefaultData();
    ViewBag.datasource = tree;
    return View();
}

NOTE

You can refer to our ASP.NET MVC Tree Grid feature tour page for its groundbreaking feature representations. You can also explore our ASP.NET MVC Tree Grid example to knows how to present and manipulate data.