How to render TreeGrid using VB

@(Html.EJ().TreeGrid("TreeGridContainer").
 
//Code snippet for ToolbarSettings Properties 
ToolbarSettings(Sub(tool)
                            tool.ShowToolbar(True)
                            tool.ToolbarItems(New List(Of TreeGridToolBarItems)() From {TreeGridToolBarItems.PdfExport,
 TreeGridToolBarItems.Add,
 TreeGridToolBarItems.Edit,
 TreeGridToolBarItems.Delete,
 TreeGridToolBarItems.Cancel,
 TreeGridToolBarItems.Update,
 TreeGridToolBarItems.ExpandAll,
 TreeGridToolBarItems.CollapseAll
                     })
                    End Sub).   
//Code snippet for Columns Properties 
Columns(Sub(col)
                     col.Field("TaskId").HeaderText("Task Id").Width(45).Add()
                     col.Field("TaskName").HeaderText("Task Name").Add()
                     col.Field("StartDate").HeaderText("Start Date").Add()
                     col.Field("EndDate").HeaderText("End Date").Add()
                     col.Field("Duration").HeaderText("Duration").Add()
             End Sub).
//Code snippet for EditSettings Properties 
EditSettings(Sub(edit)
                          edit.AllowAdding(True)
                          edit.AllowDeleting(True)
                          edit.AllowEditing(True)
                          edit.EditMode(TreeGridEditMode.CellEditing)
                  End Sub).
//Code snippet for SizeSettings Properties 
SizeSettings(Sub(size)
                     size.Height("450px")
                     size.Width("100%")
                 End Sub).
//Code snippet for ContextMenuSettings Properties 
ContextMenuSettings(Sub(con)
                              con.ShowContextMenu(True)
                              con.ContextMenuItems(New List(Of TreeGridContextMenuItems)() From {
                                                   TreeGridContextMenuItems.Add,
                                                   TreeGridContextMenuItems.Edit,
                                                   TreeGridContextMenuItems.Delete
                                               })
                          End Sub).
//Code snippet for clientSideEvents
 
ClientSideEvents(Sub(eve)
                         eve.EndEdit("endEdit")
                         eve.Load("load")
                     End Sub).
 
AllowDragAndDrop(True).
DragTooltip(Sub(dg)
                    dg.ShowTooltip(True)
                End Sub).
SelectionMode(TreeGridSelectionMode.Row).
AllowKeyboardNavigation(True).
SelectionType(TreeGridSelectionType.Single).
Datasource(ViewBag.datasource)
)
<script>
    function endEdit(args) {
       alert("endEdit triggered")
    }
</script>