[InvalidOperationException: The control with ID 'UpdatePanel1' requires a ScriptManager on the page. The ScriptManager must appear before any controls that need it.]
System.Web.UI.UpdatePanel.get_ScriptManager() +517869
System.Web.UI.UpdatePanel.RegisterPanel() +114
System.Web.UI.UpdatePanel.OnInit(EventArgs e) +26
System.Web.UI.Control.InitRecursive(Control namingContainer) +173
System.Web.UI.Control.InitRecursive(Control namingContainer) +380
System.Web.UI.Control.AddedControl(Control control, Int32 index) +219
ctl_template_content_additional.display_control(String str_center_content) +150
ctl_template_content_additional.Page_Load(Object sender, EventArgs e) +7423
System.Web.UI.Control.OnLoad(EventArgs e) +108
System.Web.UI.Control.LoadRecursive() +90
System.Web.UI.Control.LoadRecursive() +185
System.Web.UI.Control.LoadRecursive() +185
System.Web.UI.Control.LoadRecursive() +185
System.Web.UI.Control.LoadRecursive() +185
System.Web.UI.Control.LoadRecursive() +185
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1533
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