RadzenGantt<TItem> Class

RadzenGantt<TItem>link

Displays tasks in a split view: hierarchical rows on the left and a timeline with task bars on the right.

Declaration

public RadzenGantt<TItem>()

AllowAlternatingRowslink

Gets or sets whether alternating rows are shown.

Declaration

public bool AllowAlternatingRows { get; set; }

Property Value

AllowColumnPickinglink

Enables column picking. Default is false.

Declaration

public bool AllowColumnPicking { get; set; }

Property Value

AllowColumnReorderlink

Enables column reordering. Default is false.

Declaration

public bool AllowColumnReorder { get; set; }

Property Value

AllowColumnResizelink

Enables column resizing. Default is false.

Declaration

public bool AllowColumnResize { get; set; }

Property Value

AllowFilterDateInputlink

Gets or sets whether filter date input is allowed.

Declaration

public bool AllowFilterDateInput { get; set; }

Property Value

AllowFilteringlink

Enables filtering in the left pane grid. Default is true.

Declaration

public bool AllowFiltering { get; set; }

Property Value

AllowMultiColumnSortinglink

Enables multi-column sorting. Default is false.

Declaration

public bool AllowMultiColumnSorting { get; set; }

Property Value

AllowPaginglink

Enables paging in the left pane grid. Default is false.

Declaration

public bool AllowPaging { get; set; }

Property Value

AllowRowSelectOnRowClicklink

Gets or sets whether row selection is allowed on row click.

Declaration

public bool AllowRowSelectOnRowClick { get; set; }

Property Value

AllowSortinglink

Enables sorting in the left pane grid. Default is true.

Declaration

public bool AllowSorting { get; set; }

Property Value

AllowVirtualizationlink

Enables row virtualization. Default is false.

Declaration

public bool AllowVirtualization { get; set; }

Property Value

AndOperatorTextlink

And operator text.

Declaration

public string AndOperatorText { get; set; }

Property Value

ApplyFilterTextlink

Apply filter text.

Declaration

public string ApplyFilterText { get; set; }

Property Value

BaselineEndPropertylink

Property name for the baseline (planned) end date.

Declaration

public string BaselineEndProperty { get; set; }

Property Value

BaselineStartPropertylink

Property name for the baseline (planned) start date. When set together with BaselineEndProperty, a secondary bar is rendered behind the actual bar showing planned vs actual.

Declaration

public string BaselineStartProperty { get; set; }

Property Value

CellClicklink

Cell click callback.

Declaration

public EventCallback<DataGridCellMouseEventArgs<TItem>> CellClick { get; set; }

Property Value

CellContextMenulink

Cell context menu callback.

Declaration

public EventCallback<DataGridCellMouseEventArgs<TItem>> CellContextMenu { get; set; }

Property Value

CellDoubleClicklink

Cell double click callback.

Declaration

public EventCallback<DataGridCellMouseEventArgs<TItem>> CellDoubleClick { get; set; }

Property Value

CellRenderlink

Cell render callback.

Declaration

public Action<DataGridCellRenderEventArgs<TItem>> CellRender { get; set; }

Property Value

ClearFilterTextlink

Clear filter text.

Declaration

public string ClearFilterText { get; set; }

Property Value

ColumnReorderedlink

Column reordered callback.

Declaration

public EventCallback<DataGridColumnReorderedEventArgs<TItem>> ColumnReordered { get; set; }

Property Value

ColumnReorderinglink

Column reordering callback.

Declaration

public EventCallback<DataGridColumnReorderingEventArgs<TItem>> ColumnReordering { get; set; }

Property Value

ColumnResizedlink

Column resized callback.

Declaration

public EventCallback<DataGridColumnResizedEventArgs<TItem>> ColumnResized { get; set; }

Property Value

Columnslink

Optional columns definition for the left pane.

Declaration

public RenderFragment Columns { get; set; }

Property Value

ContainsTextlink

Contains text.

Declaration

public string ContainsText { get; set; }

Property Value

Datalink

Task items.

Declaration

public IEnumerable<TItem> Data { get; set; }

Property Value

DayWidthPxlink

Day cell width in pixels.

Declaration

public int DayWidthPx { get; set; }

Property Value

Densitylink

Gets or sets the density.

Declaration

public Density Density { get; set; }

Property Value

Dependencieslink

Optional task dependencies to draw connecting lines using object references. For database scenarios, prefer DependencyData with property-name-based binding.

Declaration

public IEnumerable<GanttDependency<TItem>> Dependencies { get; set; }

Property Value

DependencyDatalink

Collection of dependency items (any POCO with predecessor/successor ID properties). Use together with DependencyFromProperty, DependencyToProperty, and optionally DependencyTypeProperty. When set, takes priority over Dependencies.

Declaration

public IEnumerable<object> DependencyData { get; set; }

Property Value

DependencyFromPropertylink

Property name on DependencyData items that holds the predecessor task ID (must match values of IdProperty on the task items).

Declaration

public string DependencyFromProperty { get; set; }

Property Value

DependencyToPropertylink

Property name on DependencyData items that holds the successor task ID (must match values of IdProperty on the task items).

Declaration

public string DependencyToProperty { get; set; }

Property Value

DependencyTypePropertylink

Optional property name on DependencyData items that holds the dependency type. When not set, all dependencies default to FinishToStart.

Declaration

public string DependencyTypeProperty { get; set; }

Property Value

DoesNotContainTextlink

Does not contain text.

Declaration

public string DoesNotContainText { get; set; }

Property Value

EditModelink

Gets or sets the edit mode.

Declaration

public DataGridEditMode EditMode { get; set; }

Property Value

EmptyTextlink

Gets or sets the empty text.

Declaration

public string EmptyText { get; set; }

Property Value

EndPropertylink

Property name used for task end date.

Declaration

public string EndProperty { get; set; }

Property Value

EndsWithTextlink

Ends with text.

Declaration

public string EndsWithText { get; set; }

Property Value

EqualsTextlink

Equals text.

Declaration

public string EqualsText { get; set; }

Property Value

ExpandModelink

Gets or sets the expand mode for hierarchical data.

Declaration

public DataGridExpandMode ExpandMode { get; set; }

Property Value

Filterlink

Column filter callback.

Declaration

public EventCallback<DataGridColumnFilterEventArgs<TItem>> Filter { get; set; }

Property Value

FilterCaseSensitivitylink

Gets or sets the filter case sensitivity.

Declaration

public FilterCaseSensitivity FilterCaseSensitivity { get; set; }

Property Value

FilterClearedlink

Column filter cleared callback.

Declaration

public EventCallback<DataGridColumnFilterEventArgs<TItem>> FilterCleared { get; set; }

Property Value

FilterModelink

Gets or sets the filter mode.

Declaration

public FilterMode FilterMode { get; set; }

Property Value

FilterPopupRenderModelink

Gets or sets the filter popup render mode.

Declaration

public PopupRenderMode FilterPopupRenderMode { get; set; }

Property Value

FilterTextlink

Filter text.

Declaration

public string FilterText { get; set; }

Property Value

FooterCellRenderlink

Footer cell render callback.

Declaration

public Action<DataGridCellRenderEventArgs<TItem>> FooterCellRender { get; set; }

Property Value

GotoFirstPageOnSortlink

Whether to go to the first page on sort. Default is false.

Declaration

public bool GotoFirstPageOnSort { get; set; }

Property Value

GreaterThanOrEqualsTextlink

Greater than or equals text.

Declaration

public string GreaterThanOrEqualsText { get; set; }

Property Value

GreaterThanTextlink

Greater than text.

Declaration

public string GreaterThanText { get; set; }

Property Value

GridLineslink

Gets or sets the grid lines.

Declaration

public DataGridGridLines GridLines { get; set; }

Property Value

HeaderCellRenderlink

Header cell render callback.

Declaration

public Action<DataGridCellRenderEventArgs<TItem>> HeaderCellRender { get; set; }

Property Value

HeaderDateFormatlink

Date format for header cells.

Declaration

public string HeaderDateFormat { get; set; }

Property Value

IdPropertylink

Property name used as unique task id.

Declaration

public string IdProperty { get; set; }

Property Value

IsEmptyTextlink

Is empty text.

Declaration

public string IsEmptyText { get; set; }

Property Value

IsLoadinglink

Gets or sets whether loading indicator is shown.

Declaration

public bool IsLoading { get; set; }

Property Value

IsNotEmptyTextlink

Is not empty text.

Declaration

public string IsNotEmptyText { get; set; }

Property Value

IsNotNullTextlink

Is not null text.

Declaration

public string IsNotNullText { get; set; }

Property Value

IsNullTextlink

Is null text.

Declaration

public string IsNullText { get; set; }

Property Value

IsValidlink

Returns whether the underlying grid has a valid edit state.

Declaration

public bool IsValid { get; }

Property Value

KeyDownlink

Key down callback.

Declaration

public EventCallback<KeyboardEventArgs> KeyDown { get; set; }

Property Value

LeftPaneWidthlink

Width of the left pane (CSS length).

Declaration

public string LeftPaneWidth { get; set; }

Property Value

LessThanOrEqualsTextlink

Less than or equals text.

Declaration

public string LessThanOrEqualsText { get; set; }

Property Value

LessThanTextlink

Less than text.

Declaration

public string LessThanText { get; set; }

Property Value

LoadSettingslink

Load settings callback.

Declaration

public Action<DataGridLoadSettingsEventArgs> LoadSettings { get; set; }

Property Value

LogicalFilterOperatorlink

Gets or sets the logical filter operator.

Declaration

public LogicalFilterOperator LogicalFilterOperator { get; set; }

Property Value

Markerslink

Optional vertical date markers rendered on the timeline (e.g. deadlines, milestones, releases).

Declaration

public IEnumerable<GanttMarker> Markers { get; set; }

Property Value

NextTextlink

Tooltip for the "Next" navigation button. Default is "Next".

Declaration

public string NextText { get; set; }

Property Value

NonWorkingDayslink

The days of the week considered non-working. Used when ShowWeekends is true. Defaults to Saturday and Sunday.

Declaration

public IEnumerable<DayOfWeek> NonWorkingDays { get; set; }

Property Value

NotEqualsTextlink

Not equals text.

Declaration

public string NotEqualsText { get; set; }

Property Value

OrOperatorTextlink

Or operator text.

Declaration

public string OrOperatorText { get; set; }

Property Value

PageSizelink

Page size when AllowPaging is enabled.

Declaration

public int PageSize { get; set; }

Property Value

PageSizeChangedlink

Page size changed callback.

Declaration

public EventCallback<int> PageSizeChanged { get; set; }

Property Value

ParentIdPropertylink

Property name used as parent task id.

Declaration

public string ParentIdProperty { get; set; }

Property Value

PickedColumnsChangedlink

Picked columns changed callback.

Declaration

public EventCallback<DataGridPickedColumnsChangedEventArgs<TItem>> PickedColumnsChanged { get; set; }

Property Value

PrevTextlink

Tooltip for the "Previous" navigation button. Default is "Previous".

Declaration

public string PrevText { get; set; }

Property Value

ProgressPropertylink

Property name used for task progress (0..100). Optional.

Declaration

public string ProgressProperty { get; set; }

Property Value

Renderlink

Render callback.

Declaration

public Action<DataGridRenderEventArgs<TItem>> Render { get; set; }

Property Value

Responsivelink

Gets or sets whether grid is responsive.

Declaration

public bool Responsive { get; set; }

Property Value

RowClicklink

Row click callback.

Declaration

public EventCallback<DataGridRowMouseEventArgs<TItem>> RowClick { get; set; }

Property Value

RowCollapselink

Row collapse callback.

Declaration

public EventCallback<TItem> RowCollapse { get; set; }

Property Value

RowCreatelink

Row create callback.

Declaration

public EventCallback<TItem> RowCreate { get; set; }

Property Value

RowDeselectlink

Row deselect callback.

Declaration

public EventCallback<TItem> RowDeselect { get; set; }

Property Value

RowDoubleClicklink

Row double click callback.

Declaration

public EventCallback<DataGridRowMouseEventArgs<TItem>> RowDoubleClick { get; set; }

Property Value

RowEditlink

Row edit callback.

Declaration

public EventCallback<TItem> RowEdit { get; set; }

Property Value

RowExpandlink

Row expand callback.

Declaration

public EventCallback<TItem> RowExpand { get; set; }

Property Value

RowHeightPxlink

Row height in pixels.

Declaration

public int RowHeightPx { get; set; }

Property Value

RowRenderlink

Row render callback.

Declaration

public Action<RowRenderEventArgs<TItem>> RowRender { get; set; }

Property Value

RowSelectlink

Row select callback.

Declaration

public EventCallback<TItem> RowSelect { get; set; }

Property Value

RowUpdatelink

Row update callback.

Declaration

public EventCallback<TItem> RowUpdate { get; set; }

Property Value

SettingsChangedlink

Settings changed callback.

Declaration

public EventCallback<DataGridSettings> SettingsChanged { get; set; }

Property Value

ShowCellDataAsTooltiplink

Gets or sets whether to show cell data as tooltip.

Declaration

public bool ShowCellDataAsTooltip { get; set; }

Property Value

ShowColumnTitleAsTooltiplink

Gets or sets whether to show column title as tooltip.

Declaration

public bool ShowColumnTitleAsTooltip { get; set; }

Property Value

ShowCriticalPathlink

When true, highlights the critical path — the longest chain of dependent tasks that determines the project end date. Requires Dependencies to be set.

Declaration

public bool ShowCriticalPath { get; set; }

Property Value

ShowEmptyMessagelink

Gets or sets whether empty message is shown.

Declaration

public bool ShowEmptyMessage { get; set; }

Property Value

ShowHeaderlink

Gets or sets whether header is shown.

Declaration

public bool ShowHeader { get; set; }

Property Value

ShowMultiColumnSortingIndexlink

Shows multi-column sorting index. Default is false.

Declaration

public bool ShowMultiColumnSortingIndex { get; set; }

Property Value

ShowNavigationlink

Shows the unified Gantt navigation header.

Declaration

public bool ShowNavigation { get; set; }

Property Value

ShowTodayLinelink

When true, draws a vertical line on the timeline at the current date/time.

Declaration

public bool ShowTodayLine { get; set; }

Property Value

ShowWeekendslink

When true, shades non-working days (Saturday and Sunday by default) on the timeline.

Declaration

public bool ShowWeekends { get; set; }

Property Value

Sortlink

Column sort callback.

Declaration

public EventCallback<DataGridColumnSortEventArgs<TItem>> Sort { get; set; }

Property Value

StartPropertylink

Property name used for task start date.

Declaration

public string StartProperty { get; set; }

Property Value

StartsWithTextlink

Starts with text.

Declaration

public string StartsWithText { get; set; }

Property Value

TaskClicklink

Raised when a task bar is clicked.

Declaration

public EventCallback<TItem> TaskClick { get; set; }

Property Value

TaskMouseEnterlink

Raised when the mouse enters a task bar. Commonly used to show a tooltip.

Declaration

public EventCallback<GanttTaskMouseEventArgs<TItem>> TaskMouseEnter { get; set; }

Property Value

TaskMouseLeavelink

Raised when the mouse leaves a task bar. Commonly used to close a tooltip.

Declaration

public EventCallback<GanttTaskMouseEventArgs<TItem>> TaskMouseLeave { get; set; }

Property Value

TaskMovelink

Raised when a task bar is dragged to a new position on the timeline. The consumer should update the data item's start and end dates.

Declaration

public EventCallback<GanttTaskMovedEventArgs<TItem>> TaskMove { get; set; }

Property Value

TaskRenderlink

Callback to customize the appearance of each task bar. Set CssClass or Attributes to change colors or styles per task.

Declaration

public Action<GanttBarRenderEventArgs<TItem>> TaskRender { get; set; }

Property Value

TaskResizelink

Raised when a task bar edge is dragged to resize the task. The consumer should update the data item's start and/or end date.

Declaration

public EventCallback<GanttTaskMovedEventArgs<TItem>> TaskResize { get; set; }

Property Value

TaskTemplatelink

Custom template for the content rendered inside each task bar. When set, replaces the default progress bar and label. Receives the task data item as context.

Declaration

public RenderFragment<TItem> TaskTemplate { get; set; }

Property Value

TextPropertylink

Property name used for task title (shown in the first column when no template is provided).

Declaration

public string TextProperty { get; set; }

Property Value

TodayTextlink

Text for the "Today" navigation button. Default is "Today".

Declaration

public string TodayText { get; set; }

Property Value

ViewEndlink

Optional explicit timeline end.

Declaration

public DateTime? ViewEnd { get; set; }

Property Value

ViewStartlink

Optional explicit timeline start.

Declaration

public DateTime? ViewStart { get; set; }

Property Value

VirtualizationOverscanCountlink

Gets or sets the virtualization overscan count.

Declaration

public int VirtualizationOverscanCount { get; set; }

Property Value

WeeksInViewlink

Number of weeks to render in Week view.

Declaration

public int WeeksInView { get; set; }

Property Value

ZoomLevellink

Timeline zoom.

Declaration

public GanttZoomLevel ZoomLevel { get; set; }

Property Value

ZoomToFitTextlink

Tooltip for the "Zoom to fit" navigation button. Default is "Zoom to fit".

Declaration

public string ZoomToFitText { get; set; }

Property Value

BuildRenderTreelink

Declaration

protected override void BuildRenderTree(Rendering.RenderTreeBuilder __builder)

Parameters

CancelEditRowlink

Cancels edit mode for the specified item.

Declaration

public void CancelEditRow(TItem item)

Parameters

Disposelink

Declaration

public override void Dispose()

EditRowlink

Puts the specified item in edit mode.

Declaration

public Task EditRow(TItem item)

Parameters

Returns

ExpandRowslink

Expands a range of rows.

Declaration

public Task ExpandRows(IEnumerable<TItem> items)

Parameters

Returns

GetComponentCssClasslink

Declaration

protected override string GetComponentCssClass()

Returns

InsertAfterRowlink

Inserts a new item after the specified row in edit mode.

Declaration

public Task InsertAfterRow(TItem item, TItem afterItem)

Parameters

Returns

InsertRowlink

Inserts a new item into the grid in edit mode.

Declaration

public Task InsertRow(TItem item)

Parameters

Returns

OnAfterRenderAsynclink

Declaration

protected override Task OnAfterRenderAsync(bool firstRender)

Parameters

Returns

OnParametersSetlink

Declaration

protected override void OnParametersSet()

Reloadlink

Reloads the underlying grid data.

Declaration

public Task Reload()

Returns

UpdateRowlink

Updates the specified item and exits edit mode.

Declaration

public Task UpdateRow(TItem item)

Parameters

Returns

ZoomToFitlink

Auto-calculates ViewStart and ViewEnd and selects the best zoom level so that all tasks fit in the visible timeline.

Declaration

public Task ZoomToFit()

Returns