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 PropertiesColumns(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 PropertiesEditSettings(Sub(edit)                       
   edit.AllowAdding(True)                          
   edit.AllowDeleting(True)                          
   edit.AllowEditing(True)                          
   edit.EditMode(TreeGridEditMode.CellEditing)                  
   End Sub).
//Code snippet for SizeSettings PropertiesSizeSettings(Sub(size)                     
   size.Height("450px")                     
   size.Width("100%")                 
   End Sub).
//Code snippet for ContextMenuSettings
   PropertiesContextMenuSettings(Sub(con)         
   con.ShowContextMenu(True)               
   con.ContextMenuItems(New List(Of TreeGridContextMenuItems)() From
     {  
       TreeGridContextMenuItems.Add,                                                   
       TreeGridContextMenuItems.Edit,                                                   
       TreeGridContextMenuItems.Delete                                               
})                          
   End Sub).
//Code snippet for clientSideEventsClientSideEvents(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>