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 ourASP.NET MVC Tree Grid example
to knows how to present and manipulate data.