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 120:            if (Request.QueryString["idcategory"] != null)
Line 121:            {
Line 122:                getCompanyCategory(Convert.ToInt32(Request.QueryString["idcategory"].ToString()));
Line 123:            }
Line 124:

Source File: c:\Websites\www.ifsc.ie\company.aspx.cs    Line: 122

Stack Trace:


[FormatException: Input string was not in a correct format.]
   System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal) +12937893
   System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info) +120
   System.Convert.ToInt32(String value) +44
   _company.Page_Load(Object sender, EventArgs e) in c:\Websites\www.ifsc.ie\company.aspx.cs:122
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +51
   System.Web.UI.Control.OnLoad(EventArgs e) +95
   System.Web.UI.Control.LoadRecursive() +59
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +678


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