MVCxGanttTaskUpdateValues<TTask, TKey> Class

Contains information about updated tasks.

Assembly: DevExpress.Web.Mvc5.v20.2.dll

Declaration

C#
VB.NET

public class MVCxGanttTaskUpdateValues<TTask, TKey> :
    MVCxGanttItemUpdateValues<TTask, TKey>
    where TTask : new()

Public Class MVCxGanttTaskUpdateValues(Of TTask As New, TKey)
    Inherits MVCxGanttItemUpdateValues(Of TTask, TKey)

Type Parameters

Name	Description
TTask	A type of a task.
TKey	A type of a task key.

Remarks

The following example illustrates how to use the MVCxGanttTaskUpdateValues object. Refer to the online demo to get the full code.

Partial View:

@Html.DevExpress().Gantt(settings => {
    settings.BatchUpdateRouteValues = new { Controller = "Features", Action = "GanttBatchUpdate" };
    // ...
}).Bind(
    GanttDataProvider.Tasks, 
    GanttDataProvider.Dependencies, 
    GanttDataProvider.Resources, 
    GanttDataProvider.ResourceAssignments
).GetHtml()

Controller Code:

public ActionResult GanttBatchUpdate(
    MVCxGanttTaskUpdateValues<Task, string> taskUpdateValues,
    MVCxGanttDependencyUpdateValues<Dependency, string> dependencyUpdateValues
    MVCxGanttResourceUpdateValues<Resource, string> resourceUpdateValues,
    MVCxGanttResourceAssignmentUpdateValues<ResourceAssignment, string> resourceAssignmentUpdateValues){

    ProcessTaskValues(taskUpdateValues);
    //...
}

void ProcessTaskValues(MVCxGanttTaskUpdateValues<Task, string> taskUpdateValues) {
    foreach(var item in taskUpdateValues.Update)
        GanttDataProvider.UpdateTask(item);
    foreach(var itemKey in taskUpdateValues.DeleteKeys)
        GanttDataProvider.DeleteTask(itemKey);
    foreach(var item in taskUpdateValues.Insert) {
        taskUpdateValues.MapInsertedItemKey(item, GanttDataProvider.InsertTask(item));
    }
}