protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { ClientScriptManager cs = Page.ClientScript; if (!cs.IsStartupScriptRegistered("viewHistoryImage")) { cs.RegisterStartupScript(this.GetType(), "viewHistoryImage", "<script type=\"text/javascript\" src=\"" + ResolveClientUrl("~/Scripts/Modules/History/view.js") + "\" ></script>", false); } if (!string.IsNullOrEmpty(Request.Params["id"])) { var diagram = service.FindHistoryByIDAndUserStory(int.Parse(Request.Params["id"])); Response.Write(diagram.Graph); Response.Flush(); } } }