[ArgumentNullException: 值不能为空。
参数名: String]
System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal) +178
System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info) +150
System.Int32.Parse(String s) +23
ProDetail.Page_Load(Object sender, EventArgs e) in d:\wwwroot\scimaterials\wwwroot\ProDetail.aspx.cs:99
System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +43
System.Web.UI.Control.OnLoad(EventArgs e) +91
System.Web.UI.Control.LoadRecursive() +74
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2603
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