GanttExtension.GetBatchUpdateResult<TTask, TTaskKey>(MVCxGanttTaskUpdateValues<TTask, TTaskKey>) Method
Returns the specified result to the client side after a callback is processed in an action specified by the BatchUpdateRouteValues property.
Namespace: DevExpress.Web.Mvc
Assembly: DevExpress.Web.Mvc5.v19.2.dll
Declaration
public static ActionResult GetBatchUpdateResult<TTask, TTaskKey>(
MVCxGanttTaskUpdateValues<TTask, TTaskKey> taskUpdateValues
)
where TTask : new()Parameters
| Name | Type | Description |
|---|---|---|
| taskUpdateValues | MVCxGanttTaskUpdateValues<TTask, TTaskKey> | An object that stores information about updated tasks. |
Type Parameters
| Name | Description |
|---|---|
| TTask | A type of a task. |
| TTaskKey | A type of a task key. |
Returns
| Type | Description |
|---|---|
| ActionResult | The action method’s result. |
Remarks
The following example illustrates how to use the GetBatchUpdateResult method. 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){
ProcessTaskValues(taskUpdateValues);
return GanttExtension.GetBatchUpdateResult(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));
}
}
Model:
public static void UpdateTask(Task task) {
// your code
}
public static string InsertTask(Task task) {
// your code
}
public static void DeleteTask(string id) {
// your code
}
Online Demo
Gantt - Data Binding and Modification
See Also