[ArgumentOutOfRangeException: 长度不能小于 0。
参数名: length]
System.String.Substring(Int32 startIndex, Int32 length) +12951568
wsy.getpagehtml(Int32 dangqianye, Int32 meiyejige, Int32 gongjiye, String pagehtml, String html) +154
chanpin.Page_Load(Object sender, EventArgs e) +536
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +52
System.Web.UI.Control.OnLoad(EventArgs e) +97
System.Web.UI.Control.LoadRecursive() +61
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +693
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