System.FormatException: Input string was not in a correct format. at System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal) at System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info) at System.Convert.ToInt32(String value) at dataverse.web.controls.yppo.pat.ViewActivities.myRenderContents(HtmlTextWriter writer) in C:\depot_svn\Yppo2013\trunk\dataverse.web.controls.yppo.pat\dataverse.web.controls.yppo.pat\dataverse.web.controls.yppo.pat\ViewActivities.cs:line 51 at dataverse.web.controls.yppo.pat.ViewActivities.RenderContents(HtmlTextWriter writer) in C:\depot_svn\Yppo2013\trunk\dataverse.web.controls.yppo.pat\dataverse.web.controls.yppo.pat\dataverse.web.controls.yppo.pat\ViewActivities.cs:line 27