[InvalidCastException: Object cannot be cast from DBNull to other types.]
JTBCalendar.Code.DAL.JTPEvents.JTPEventDAL.LoadJTPEventUser(JTPEventUser jTPEvent) in f:\calendar.jo\App_Code\DAL\JTPEvents\JTPEventDAL.cs:515
JTBCalendar.Code.BL.JTPEvents.JTPEventUser..ctor(Int32 jTPEventId) in f:\calendar.jo\App_Code\BL\JTPEvents\JTPEventUser.cs:409
arabic_EventNew.LoadJTPEvent() in f:\calendar.jo\arabic\EventNew.aspx.cs:174
arabic_EventNew.Page_Load(Object sender, EventArgs e) in f:\calendar.jo\arabic\EventNew.aspx.cs:613
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +52
System.Web.UI.Control.OnLoad(EventArgs e) +97
System.Web.UI.Control.LoadRecursive() +61
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +693