向健康出发，我在温州晨辉集团进行一次养生知识讲座，主讲疾病与生活习惯，饮食习惯有哪些联系平时注意哪些方法，平时咋样保健，内调外养的重要性等等

Message:Exception of type 'System.Web.HttpUnhandledException' was thrown.
Source:System.Web
StackTrace: at System.Web.UI.Page.HandleError(Exception e) at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) at System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) at System.Web.UI.Page.ProcessRequest() at System.Web.UI.Page.ProcessRequest(HttpContext context) at System.Web.Mvc.ViewPage.ProcessRequest(HttpContext context) at System.Web.Mvc.ViewUserControl.ViewUserControlContainerPage.ProcessRequest(HttpContext context) at System.Web.Mvc.ViewPage.RenderView(ViewContext viewContext) at System.Web.Mvc.ViewUserControl.RenderView(ViewContext viewContext) at System.Web.Mvc.WebFormView.RenderView(ViewContext viewContext, TextWriter writer, Object instance) at System.Web.Mvc.Html.RenderPartialExtensions.RenderPartial(HtmlHelper htmlHelper, String partialViewName, Object model, ViewDataDictionary viewData) at System.Web.Mvc.Html.SDRenderPartialExtensions.SDRenderPartial(HtmlHelper helper, String partialName, Object model, ViewDataDictionary viewData, Action`2 expFunc)

Message:Collection was modified; enumeration operation may not execute.
Source:mscorlib
StackTrace: at System.Collections.Generic.List`1.Enumerator.MoveNextRare() at ASP.views_space_spacerightbar_v2_ascx.__Render__control1(HtmlTextWriter __w, Control parameterContainer) in d:\webs\subsite-pc.jiangshi.org\Views\Space\SpaceRightBar_v2.ascx:line 52 at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) at System.Web.Mvc.ViewPage.Render(HtmlTextWriter writer) at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)