[Prospect]

Thanks, now I understand, however I have no solution to solve this issue as I am running this chart inside a .net solution and my aspx page (I don’t mean the simple page that I sent your link) is running within a master page which means that putting the chart outside the page main form is not an option

[Prospect]

may be this is the same problem I encounter, let me as you a question, after dragging the slider, does the web page refreshes? do you use asp.net web forms as I do?