[ArgumentOutOfRangeException: 长度不能小于 0。
参数名: length]
System.String.InternalSubStringWithChecks(Int32 startIndex, Int32 length, Boolean fAlwaysCopy) +7711479
System.String.Substring(Int32 startIndex, Int32 length) +11
DBHelper.GainId(String Url) in d:\wwwroot\yunmenmachine_01x7al\web\App_Code\DBHelper.cs:300
news.SortPageData() in d:\wwwroot\yunmenmachine_01x7al\web\news.aspx.cs:47
news.Page_Load(Object sender, EventArgs e) in d:\wwwroot\yunmenmachine_01x7al\web\news.aspx.cs:19
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
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