Column Menu in Blazor TreeGrid Component

19 Oct 20216 minutes to read

The column menu has options to integrate features like sorting, filtering, and autofit. It will show a menu with the integrated feature when users click on multiple icon of the column. To enable column menu, define the ShowColumnMenu property as true.

The default items are displayed in following table.

Item	Description
SortAscending	Sort the current column in ascending order.
SortDescending	Sort the current column in descending order.
AutoFit	Auto fit the current column.
AutoFitAll	Auto fit all columns.
Filter	Show the filter option as given in FilterSettings.Type

RAZOR
C#
@using TreeGridComponent.Data;
@using Syncfusion.Blazor.TreeGrid;

<SfTreeGrid IdMapping="TaskId" ParentIdMapping="ParentId" DataSource="@TreeGridData" TreeColumnIndex="1" ShowColumnMenu="true" AllowFiltering="true"
             AllowSorting="true" AllowResizing="true">
    <TreeGridFilterSettings Type="Syncfusion.Blazor.TreeGrid.FilterType.Menu"/>
    <TreeGridColumns>
        <TreeGridColumn Field="TaskId" HeaderText="Task ID" Width="80" TextAlign="Syncfusion.Blazor.Grids.TextAlign.Right"></TreeGridColumn>
        <TreeGridColumn Field="TaskName" HeaderText="Task Name" MinWidth="170" MaxWidth="250" Width="180"></TreeGridColumn>
        <TreeGridColumn Field="Duration" HeaderText="Duration" MinWidth="50" MaxWidth="150" TextAlign="Syncfusion.Blazor.Grids.TextAlign.Right" Width="80"></TreeGridColumn>
        <TreeGridColumn Field="Progress" HeaderText="Progress" TextAlign="Syncfusion.Blazor.Grids.TextAlign.Right" Width="80"></TreeGridColumn>
    </TreeGridColumns>
</SfTreeGrid>

@code{
    public List<TreeData.BusinessObject> TreeGridData { get; set; }
    protected override void OnInitialized()
    {
        this.TreeGridData = TreeData.GetSelfDataSource().ToList();
    }
}
namespace TreeGridComponent.Data {

public class TreeData
    {
        public class BusinessObject
        {
            public int TaskId { get; set;}
            public string TaskName { get; set;}
            public int? Duration { get; set;}
            public int? Progress { get; set;}
            public int? ParentId { get; set;}
        }

        public static List<BusinessObject> GetSelfDataSource()
        {
            List<BusinessObject> BusinessObjectCollection = new List<BusinessObject>();
            BusinessObjectCollection.Add(new BusinessObject() { TaskId = 1,TaskName = "Parent Task 1",Duration = 10,Progress = 70,ParentId = null });
            BusinessObjectCollection.Add(new BusinessObject() { TaskId = 2,TaskName = "Child task 1",Duration = 4,Progress = 80,ParentId = 1 });
            BusinessObjectCollection.Add(new BusinessObject() { TaskId = 3,TaskName = "Child Task 2",Duration = 5,Progress = 65,ParentId = 2 });
            BusinessObjectCollection.Add(new BusinessObject() { TaskId = 4,TaskName = "Child task 3",Duration = 6,Progress = 77,ParentId = 3 });
            BusinessObjectCollection.Add(new BusinessObject() { TaskId = 5,TaskName = "Parent Task 2",Duration = 10,Progress = 70,ParentId = null});
            BusinessObjectCollection.Add(new BusinessObject() { TaskId = 6,TaskName = "Child task 1",Duration = 4,Progress = 80,ParentId = 5});
            BusinessObjectCollection.Add(new BusinessObject() { TaskId = 7,TaskName = "Child Task 2",Duration = 5,Progress = 65,ParentId = 5});
            BusinessObjectCollection.Add(new BusinessObject() { TaskId = 8,TaskName = "Child task 3",Duration = 6,Progress = 77,ParentId = 5});
            BusinessObjectCollection.Add(new BusinessObject() { TaskId = 9,TaskName = "Child task 4",Duration = 6,Progress = 77,ParentId = 5});
            return BusinessObjectCollection;
        }
    }
}

The column menu can be disabled for a particular column by defining the ShowColumnMenu property of the TreeGridColumn tag helper as false.

Column menu in Blazor TreeGrid Component