[FormatException: 输入字符串的格式不正确。]
System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal) +5104740
System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info) +145
System.Convert.ToInt32(String value) +48
ASP._Page_train_cshtml.Execute() in f:\usr\localuser\qxw1193260098\train.cshtml:28
System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +199
System.Web.WebPages.WebPage.ExecutePageHierarchy(IEnumerable`1 executors) +69
System.Web.WebPages.WebPage.ExecutePageHierarchy() +131
System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +78
System.Web.WebPages.WebPageHttpHandler.ProcessRequestInternal(HttpContextBase httpContext) +116
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