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''Reduce flicker
gridDataBoundGrid1.BeginUpdate()
gridDataBoundGrid1.Binder.ResetHierarchyLevels()
gridDataBoundGrid1.DataSource = Nothing
gridDataBoundGrid1.DataMember = ""
gridDataBoundGrid1.DataSource = VariableData
gridDataBoundGrid1.DataMember = "Parent"
ChildrenTable.CreateAllHierarchy()
'' Reduce flicker
gridDataBoundGrid1.EndUpdate()