“/”应用程序中的服务器错误。

未在本地计算机上注册“Microsoft.Jet.OLEDB.4.0”提供程序。

说明: 执行当前 Web 请求期间,出现未经处理的异常。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.InvalidOperationException: 未在本地计算机上注册“Microsoft.Jet.OLEDB.4.0”提供程序。

源错误:


行 56:                 if (id != null)
行 57:                 {
行 58:                     ob = new access().ExecuteScalar("select nt from type_two where id=" + id);
行 59:                 }
行 60:                 id = 82;

源文件: c:\website\chanye.aspx.cs    行: 58

堆栈跟踪:


[InvalidOperationException: 未在本地计算机上注册“Microsoft.Jet.OLEDB.4.0”提供程序。]
   System.Data.OleDb.OleDbServicesWrapper.GetDataSource(OleDbConnectionString constr, DataSourceWrapper& datasrcWrapper) +263
   System.Data.OleDb.OleDbConnectionInternal..ctor(OleDbConnectionString constr, OleDbConnection connection) +515
   System.Data.OleDb.OleDbConnectionFactory.CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningObject) +104
   System.Data.ProviderBase.DbConnectionFactory.CreateNonPooledConnection(DbConnection owningConnection, DbConnectionPoolGroup poolGroup, DbConnectionOptions userOptions) +57
   System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection) +1186
   System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) +315
   System.Data.ProviderBase.DbConnectionInternal.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +23
   System.Data.OleDb.OleDbConnection.Open() +53
   AcsHelper.ExecuteScalar(String query) in h:\源码\审核代码\7.4\1\yk7041698\YK仿某海事大学\web\cs\AcsHelper.cs:143
   access.ExecuteScalar(String sql) in h:\源码\审核代码\7.4\1\yk7041698\YK仿某海事大学\web\cs\access.cs:40
   Estate.chanye.Page_Load(Object sender, EventArgs e) in c:\website\chanye.aspx.cs:58
   System.Web.UI.Control.OnLoad(EventArgs e) +108
   System.Web.UI.Control.LoadRecursive() +90
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1533


版本信息: Microsoft .NET Framework 版本:4.0.30319; ASP.NET 版本:4.8.4494.0