Server Error in '/' Application.

Input string was not in a correct format.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.FormatException: Input string was not in a correct format.

Source Error:


Line 11:         
Line 12:     protected void Page_Load(object sender, EventArgs e) {
Line 13:         if (Request.QueryString["id"] != null) itemID = Convert.ToInt32(Request.QueryString["id"]);
Line 14:         bool.TryParse(Session["Online"].ToString(), out isOnline);
Line 15:         bool.TryParse(Session["Admin"].ToString(), out isAdmin);

Source File: d:\Horizons\events\event.aspx    Line: 13

Stack Trace:


[FormatException: Input string was not in a correct format.]
   System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal) +14254118
   System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info) +174
   System.Convert.ToInt32(String value) +64
   ASP.events_event_aspx.Page_Load(Object sender, EventArgs e) in d:\Horizons\events\event.aspx:13
   System.Web.UI.Control.OnLoad(EventArgs e) +108
   System.Web.UI.Control.LoadRecursive() +90
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1607


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.3928.0