Creating a task from code behind

Hello

I am trying to creat taksks associated to panels create from code behind. All works well except I am not able to create the task.

Here definition of task in aspx page :

Code:

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            <ext:TaskManager ID="TaskManager" runat="server" Enabled="False">
                <Tasks>
                    <ext:Task
                        TaskID="tskUpdateArrowProgress"
                        AutoRun="false"
                        Interval="100">
                        <DirectEvents>
                            <Update OnEvent="UpdateArrowProgress"></Update>
                        </DirectEvents>
                    </ext:Task>
                </Tasks>
            </ext:TaskManager>

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and what I want to achive from code behind :

Code:

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            MyTask.Interval = 500
            MyTask.TaskID = "tsk" + ds.Tables("UShape").Rows(i).Item("UShapeID").ToString
            MyTask.DirectEvents.Update.Call("UpdateArrowProgress")
            MyTask.AutoRun = True

            TaskManager.AddTask(MyTask)

---

but

Code:

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MyTask.DirectEvents.Update.Call("UpdateArrowProgress")

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is not working and I don't now how to associate the directevent function to the task