今天早上上班：我想备份数据库，打开后台后点备份的时候出来以下提示，退出后一会再进后台，也出这样的提示了, 内容如下：
Server Error in '/' Application.
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操作必须使用一个可更新的查询。
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.Data.OleDb.OleDbException: 操作必须使用一个可更新的查询。
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:
[OleDbException (0x80004005): 操作必须使用一个可更新的查询。]
System.Data.OleDb.OleDbCommand.ExecuteCommandTextForSingleResult(tagDBPARAMS dbParams, Object& executeResult) +267
System.Data.OleDb.OleDbCommand.ExecuteCommandText(Object& executeResult) +192
System.Data.OleDb.OleDbCommand.ExecuteCommand(CommandBehavior behavior, Object& executeResult) +48
System.Data.OleDb.OleDbCommand.ExecuteReaderInternal(CommandBehavior behavior, String method) +106
System.Data.OleDb.OleDbCommand.ExecuteNonQuery() +108
PageAdmin.master_login.uqx1ss8UPs(String A_1, DateTime A_2) +105
PageAdmin.master_login.Tov1vquSFP() +1273
PageAdmin.master_login.Page_Load(Object src, EventArgs e) +873
System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +15
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +34
System.Web.UI.Control.OnLoad(EventArgs e) +99
System.Web.UI.Control.LoadRecursive() +47
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1061
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Version Information: Microsoft .NET Framework Version:2.0.50727.832; ASP.NET Version:2.0.50727.832
