“/”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 37:             if (conn.State != ConnectionState.Open)
行 38:             {
行 39:                 conn.Open();
行 40:             }
行 41:             OleDbCommand com = new OleDbCommand("", conn);

源文件: c:\wwwroot\www.021sports.com\App_Code\SQLHelper.cs    行: 39

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
   Bangso.DBUtility.SQLHelper.PrepareCommand(OleDbConnection conn, String sqlstr, Boolean typed, OleDbParameter[] parm) in c:\wwwroot\www.021sports.com\App_Code\SQLHelper.cs:39
   Bangso.DBUtility.SQLHelper.ExecuteDataReader(String sqlstr) in c:\wwwroot\www.021sports.com\App_Code\SQLHelper.cs:133
   xun_Default.Page_Load(Object sender, EventArgs e) in c:\wwwroot\www.021sports.com\xunlianying\Default.aspx.cs:20
   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:4.8.4682.0