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 43:             }
Line 44:         }
Line 45:         Type_YL = Type_YL_bll.Query_Type_YL(Convert.ToInt32(id));
Line 46:         ZhauanJia_list = ZhauanJia_bll.Query_ZhauanJia(" * ", " and  language='China'  and typeid=" + id, " order by  grade asc,  id desc");
Line 47:     }

Source File: c:\webhosting\data\road\LeadingExpert.aspx.cs    Line: 45

Stack Trace:


[FormatException: Input string was not in a correct format.]
   System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal) +12838615
   System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info) +122
   System.Convert.ToInt32(String value) +48
   road_LeadingExpert.Page_Load(Object sender, EventArgs e) in c:\webhosting\data\road\LeadingExpert.aspx.cs:45
   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


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4330.0