建行秒杀

2011-11-28  到 2011-12-11 日举行的建行秒杀。
最终两台 Ipad2，给我们学校某位老师 秒杀到了。


经过分析。



正常访问的页面  IPAD 1500元


下面一个页面 IPAD 只要10元






一个域名存在 两个不同价格的页面，说明可能有后台程序。也许特殊人员和普通人员秒杀的页面不同，页面程序不同。

继续分析
MiaoshaInfo.aspx?MiaoShaoProID=PYrY6YIm9cY=
这个页面
MiaoshaInfo.aspx?MiaoShaoProID=PYrY6YIm9cY=
后面的参数随便修改一下。就报错。

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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:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[FormatException: Input string was not in a correct format.] System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal) +7467367 System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info) +119 System.Int32.Parse(String s) +23 SuZhouHW_WebApp.MiaoshaInfo.Page_Load(Object sender, EventArgs e) in E:\work\JSCCBKey\JSCCBKey.root\JSCCBKey\JSCCBKey\SuZhouHW_WebApp\MiaoshaInfo.aspx.cs:21 System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14 System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35 System.Web.UI.Control.OnLoad(EventArgs e) +99 System.Web.UI.Control.LoadRecursive() +50 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627

Version Information: Microsoft .NET Framework Version:2.0.50727.3053; ASP.NET Version:2.0.50727.3053
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以上数据来自网络，不代表作者观点。