分页出现这样的错误，无法解决求高手分析下错误，在线等

“/”应用程序中的服务器错误。
--------------------------------------------------------------------------------此页的状态信息无效，可能已损坏。 
说明: 执行当前 Web 请求期间，出现未处理的异常。请检查堆栈跟踪信息，以了解有关该错误以及代码中导致错误的出处的详细信息。 异常详细信息: System.Web.HttpException: 此页的状态信息无效，可能已损坏。源错误: 
[没有相关的源行]
 源文件: c:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\4514adc8\94d5b73f\App_Web_oyawwm_c.0.cs    行: 0 堆栈跟踪: 
[FormatException: Base-64 字符数组的无效长度。]
   System.Convert.FromBase64String(String s) +0
   System.Web.UI.ObjectStateFormatter.Deserialize(String inputString) +77
   System.Web.UI.ObjectStateFormatter.System.Web.UI.IStateFormatter.Deserialize(String serializedState) +4
   System.Web.UI.Util.DeserializeWithAssert(IStateFormatter formatter, String serializedState) +37
   System.Web.UI.HiddenFieldPageStatePersister.Load() +113[ViewStateException: 无效的视图状态。
Client IP: 127.0.0.1
Port: 
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET4.0C; .NET4.0E)
ViewState: /wEPDwUKMTQ1OTg0ODEwNg9kFgJmD2QWAgIDDxYCHghvbnN1Ym1pdAUTcmV0dXJuIENoZWNrRm9ybSgpOxYEAgUPZBYCAgcPD2QWBB4IcmVhZG9ubHkFCHJlYWRvbmx5HgdvbmNsaWNrBRZHZXREYXRlQ2FsZW5kYXIodGhpcyk7ZAIHD2QWAgIBDxYCHgRUZXh0BbY0PHRhYmxlIHdpZHRoPSIxMDAlIiBpZD0idGFibGlzdCIgIGNlbGxzcGFjaW5nPSIwIiBjZWxscGFkZGluZz0iMCIgYm9yZGVyPSIxIiBib3JkZXJjb2xvcmxpZ2h0PSIjREREREREIiBjbGFzcz0iZGF0YXRhYmxlIiBib3JkZXJjb2xvcmRhcms9IiNGRkZGRkYiPg0KICA8dHI DQogICAgIDx0aCB3aWR0aD0iPiI PGlucHV0IHR5cGU9ImNoZWNrYm94IiAgaWQ9ImNoZUFsbCIgb25jbGljaz0iU2VsZWN0QWxsKGNoZUFsbCkiPC90aD4KICAgICA8dGggd2lkdGg9IiI 6K6i5Y2V5Y 3PC90aD4KICAgICA8dGggd2lkdGg9IiI 55So5oi35ZCNPC90aD4KICAgICA8dGggd2lkdGg9IiI 5LiL5Y2V5pe26Ze0PC90aD4KICAgICA8dGggd2lkdGg9IiI 5ZWG5ZOB6YeR6aKdPC90aD4KICAgICA8dGggd2lkdGg9IiI PGltZyBzcmM9Ii4uXGltYWdlc1xub3RpY2UuZ2lmIiB0aXRsZT0i6K6i5Y2V6YeR6aK...][HttpException (0x80004005): 此页的状态信息无效，可能已损坏。]
   System.Web.UI.ViewStateException.ThrowError(Exception inner, String persistedState, String errorPageMessage, Boolean macValidationError) +106
   System.Web.UI.ViewStateException.ThrowViewStateError(Exception inner, String persistedState) +14
   System.Web.UI.HiddenFieldPageStatePersister.Load() +217
   System.Web.UI.Page.LoadPageStateFromPersistenceMedium() +105
   System.Web.UI.Page.LoadAllState() +43
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +6785
   System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +242
   System.Web.UI.Page.ProcessRequest() +80
   System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context) +21
   System.Web.UI.Page.ProcessRequest(HttpContext context) +49
   ASP.admin_order_order_order_list_aspx.ProcessRequest(HttpContext context) in c:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\4514adc8\94d5b73f\App_Web_oyawwm_c.0.cs:0
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +181
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +75 
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版本信息: Microsoft .NET Framework 版本:2.0.50727.4952; ASP.NET 版本:2.0.50727.4955