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V25.1
  • DxTreeListDataColumn.FilterRowValue Property

    Specifies the initial value in the column’s filter row editor.

    Namespace: DevExpress.Blazor

    Assembly: DevExpress.Blazor.v25.1.dll

    NuGet Package: DevExpress.Blazor

    Declaration

    [DefaultValue(null)]
    [Parameter]
    public object FilterRowValue { get; set; }

    Property Value

    Type Default Description
    Object null

    The initial editor value.

    Remarks

    Enable the ShowFilterRow option to activate a row that allows users to filter TreeList data. The TreeList component generates and configures cell editors for filter row cells based on associated column data types. Use the FilterRowValue property to specify the initial editor value. You should also specify the FilterRowOperatorType property to define an operator type used to create a filter condition based on the editor value.

    @inject EmployeeTaskService EmployeeTaskService
    
    <DxTreeList Data="TreeListData" KeyFieldName="Id" ParentKeyFieldName="ParentId" ShowFilterRow="true">
        <Columns>
            <DxTreeListDataColumn FieldName="Name"
                                  Caption="Task"
                                  FilterRowValue='"Update"'
                                  FilterRowOperatorType="TreeListFilterRowOperatorType.Contains" />
            <DxTreeListDataColumn FieldName="EmployeeName"  />
            <DxTreeListDataColumn FieldName="StartDate" />
            <DxTreeListDataColumn FieldName="DueDate" />
        </Columns>
    </DxTreeList>
    
    @code {
        List<EmployeeTask> TreeListData { get; set; }
    
        protected override void OnInitialized() {
            TreeListData = EmployeeTaskService.GenerateData();
        }
    }
    

    Blazor TreeList Filter Row

    Run Demo: TreeList - Filter Row

    You can handle the FilterRowValueChanged event to respond to row value changes. For more information about filter row, see the following topic: Filter Row in Blazor TreeList.

    See Also