问题代码：访问出现以下：
Server Error in '/' Application.
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The 'Microsoft.Jet.OLEDB.4.0' provider is not registered on the local machine.
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.InvalidOperationException: The 'Microsoft.Jet.OLEDB.4.0' provider is not registered on the local machine.
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:
[InvalidOperationException: The 'Microsoft.Jet.OLEDB.4.0' provider is not registered on the local machine.]
System.Data.OleDb.OleDbServicesWrapper.GetDataSource(OleDbConnectionString constr, DataSourceWrapper& datasrcWrapper) +1761342
System.Data.OleDb.OleDbConnectionInternal..ctor(OleDbConnectionString constr, OleDbConnection connection) +1777302
System.Data.OleDb.OleDbConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningObject) +100
System.Data.ProviderBase.DbConnectionFactory.CreateNonPooledConnection(DbConnection owningConnection, DbConnectionPoolGroup poolGroup) +43
System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +6296159
System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +6296622
System.Data.OleDb.OleDbConnection.Open() +48
PageAdmin.lanmu.Load_PageAdmin(Int32 SiteId, Int32 Lanmu_Id, Int32 SubLanmu_Id) +2034
System.Web.UI.Control.InitRecursive(Control namingContainer) +133
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1954
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Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.1
官网解决：[url]http://www.pageadmin.net/article/20121222/499.html[/url] 已看。不知怎么解决。
