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V25.1
  • DxTreeList.GetSortedColumns() Method

    Gets the collection of sorted columns.

    Namespace: DevExpress.Blazor

    Assembly: DevExpress.Blazor.v25.1.dll

    NuGet Package: DevExpress.Blazor

    Declaration

    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