System.Web.HttpUnhandledException: Exception of type 'System.Web.HttpUnhandledException' was thrown. ---> 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 Plataforma.Comercio.Web.UI.NavegacaoHelper.MontarLinkProduto(Int32 IdProduto, Int32 IdDepartamento, String Departamento, String Categoria, String Marca, String ProdutoTextoLink, Boolean flagResolveDominio) in e:\ccnet.projects\QA3.6\WorkingDirectory\svn\Plataforma.Comercio.Web\UI\NavegacaoHelper.cs:line 112
   at Plataforma.Comercio.Web.UI.NavegacaoHelper.MontarLinkProduto(Produto produto, Boolean flagResolveDominio) in e:\ccnet.projects\QA3.6\WorkingDirectory\svn\Plataforma.Comercio.Web\UI\NavegacaoHelper.cs:line 55
   at Plataforma.Comercio.Web.UI.NavegacaoHelper.MontarLinkProduto(Produto produto) in e:\ccnet.projects\QA3.6\WorkingDirectory\svn\Plataforma.Comercio.Web\UI\NavegacaoHelper.cs:line 50
   at Control_ProdutoInfoBox.PopulaIndiqueAmigo()
   at Control_ProdutoInfoBox.InterfaceConstroi()
   at Control_ProdutoInfoBox.Page_Load(Object sender, EventArgs e)
   at System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e)
   at System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e)
   at System.Web.UI.Control.OnLoad(EventArgs e)
   at System.Web.UI.Control.LoadRecursive()
   at System.Web.UI.Control.LoadRecursive()
   at System.Web.UI.Control.LoadRecursive()
   at System.Web.UI.Control.LoadRecursive()
   at System.Web.UI.Control.LoadRecursive()
   at System.Web.UI.Control.LoadRecursive()
   at System.Web.UI.Control.LoadRecursive()
   at System.Web.UI.Control.LoadRecursive()
   at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
   --- End of inner exception stack trace ---
   at System.Web.UI.Page.HandleError(Exception e)
   at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
   at System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
   at System.Web.UI.Page.ProcessRequest()
   at System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context)
   at System.Web.UI.Page.ProcessRequest(HttpContext context)
   at ASP.site_produto_aspx.ProcessRequest(HttpContext context)
   at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
   at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)