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 19: 		var ip = Request.ServerVariables["REMOTE_ADDR"];
Line 20: 		var increaseCounter = !ip.StartsWith("192") && !ip.StartsWith("127");
Line 21: 		var articleId = int.Parse(Request.QueryString["id"] ?? "0");
Line 22: 
Line 23: 		var article = articleManager.Retrieve(articleId, increaseCounter, false);

Source File: c:\sites\discoverboating\SharedSite\controls\responsive\widgets\article.ascx.cs    Line: 21

Stack Trace:


[FormatException: Input string was not in a correct format.]
   System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal) +14784004
   System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info) +172
   controls_responsive_widgets_article.Page_Load(Object sender, EventArgs e) in c:\sites\discoverboating\SharedSite\controls\responsive\widgets\article.ascx.cs:21
   System.Web.UI.Control.OnLoad(EventArgs e) +106
   System.Web.UI.Control.LoadRecursive() +68
   System.Web.UI.Control.LoadRecursive() +162
   System.Web.UI.Control.LoadRecursive() +162
   System.Web.UI.Control.LoadRecursive() +162
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3785


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.4087.0