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V25.1
  • ASPxClientGantt.ProgressTooltipShowing Event

    Occurs before the Gantt displays the tooltip when users changes the task’s progress in the UI.

    #Declaration

    TypeScript
    ProgressTooltipShowing: ASPxClientEvent<ASPxClientGanttProgressTooltipShowingEventHandler<ASPxClientGantt>>

    #Event Data

    The ProgressTooltipShowing event's data class is ASPxClientGanttProgressTooltipShowingEventArgs. The following properties provide information specific to this event:

    Property Description
    cancel Specifies whether to cancel the related action (for example, row edit, export). Inherited from ASPxClientCancelEventArgs.
    container Gets the tooltip container.
    item Gets the task’s progress information.

    #Remarks

    Handle the ProgressTooltipShowing event to specify custom content for the tooltip that displays the task’s progress while the user resizes the progress handler in the UI.

    Gantt - ProgressTooltipShowing Event

    Web Forms:

    <dx:ASPxGantt ID="Gantt" >
        <ClientSideEvents ProgressTooltipShowing="onProgressTooltipShowing" ... />
    </dx:ASPxGantt>
    
    function onProgressTooltipShowing(s, e) {
        var customContainer = document.createElement("div");  
        customContainer.classList.add("custom-progress");
        customContainer.textContent = 'Progress: ' + e.item.progress + '%';  
        e.container.appendChild(customContainer); 
    }
    

    MVC:

    @Html.DevExpress().Gantt(settings => {
        settings.Name = "gantt";
        settings.ClientSideEvents.ProgressTooltipShowing = "function (s, e) { 
            var customContainer = document.createElement("div");  
            customContainer.classList.add("custom-progress");
            customContainer.textContent = 'Progress: ' + e.item.progress + '%';  
            e.container.appendChild(customContainer); 
        }";
        ...
    }).Bind(
        GanttDataProvider.Tasks, GanttDataProvider.Dependencies, 
        GanttDataProvider.Resources, GanttDataProvider.ResourceAssignments
    ).GetHtml()
    

    #Concepts

    See Also