Skip to main content
All docs
V24.2

DevExpress v24.2 Update — Your Feedback Matters

Our What's New in v24.2 webpage includes product-specific surveys. Your response to our survey questions will help us measure product satisfaction for features released in this major update and help us refine our plans for our next major release.

Take the survey Not interested

DxTreeList.GetSortedColumns() Method

Gets the collection of sorted columns.

Namespace: DevExpress.Blazor

Assembly: DevExpress.Blazor.v24.2.dll

NuGet Package: DevExpress.Blazor

#Declaration

C#
public IReadOnlyList<ITreeListDataColumn> GetSortedColumns()

#Returns

Type Description
IReadOnlyList<ITreeListDataColumn>

The collection of sorted columns.

#Remarks

Use the GetSortedColumns method to get the collection of sorted columns. The following code snippet obtains the first item from the sorted column collection:

@inject EmployeeTaskService EmployeeTaskService

<style>
    .my-button {
        width: 200px;
    }
</style>

<DxTreeList @ref="MyTreeList" Data="TreeListData" KeyFieldName="Id" ParentKeyFieldName="ParentId">
    <Columns>
        <DxTreeListDataColumn FieldName="Name" Caption="Task" />
        <DxTreeListDataColumn FieldName="EmployeeName" SortIndex="0" />
        <DxTreeListDataColumn FieldName="StartDate" />
        <DxTreeListDataColumn FieldName="DueDate" />
    </Columns>
</DxTreeList>

<DxButton Click="@OnGetSortedColumns" Text="Get First Sorted Column" CssClass="my-button" />
@Alert

@code {
    string Alert { get; set; }
    ITreeList MyTreeList { get; set; }
    List<EmployeeTask> TreeListData { get; set; }

    protected override void OnInitialized() {
        TreeListData = EmployeeTaskService.GenerateData();
    }
    void OnGetSortedColumns() {
        string FirstSortedColumnName = MyTreeList.GetSortedColumns().FirstOrDefault()?.FieldName;
        Alert = "The first sorted column is " + FirstSortedColumnName;
    }
}

TreeList - Get First Sorted Column

For more information about data sorting in the TreeList component, refer to the following topic: Sort Data in Blazor TreeList.

#Implements

See Also