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 ASP.people_people_detail_aspx.Page_Load(Object s, EventArgs e) in c:\DPWebsites\DayPitney\people\people-detail.aspx:line 34