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[OleDbException (0x80004005): Cannot open database ''. It may not be a database that your application recognizes, or the file may be corrupt.]

System.Data.OleDb.OleDbConnectionInternal..ctor(OleDbConnectionString constr, OleDbConnection connection) +304

System.Data.OleDb.OleDbConnectionFactory.CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningObject) +86

System.Data.ProviderBase.DbConnectionFactory.CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions userOptions) +22

System.Data.ProviderBase.DbConnectionFactory.CreateNonPooledConnection(DbConnection owningConnection, DbConnectionPoolGroup poolGroup, DbConnectionOptions userOptions) +38

System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection) +5359494

System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) +146

System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) +16

System.Data.ProviderBase.DbConnectionInternal.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +17

System.Data.OleDb.OleDbConnection.Open() +42

ETMSoft.Data.DataProvider.Open() in d:\资料\测试项目\校医院\ETMSoft.Data\DataProvider.cs:198

[DataProviderException: 打开 数据库 出错: Cannot open database ''. It may not be a database that your application recognizes, or the file may be corrupt.]

ETMSoft.Data.DataProvider.Open() in d:\资料\测试项目\校医院\ETMSoft.Data\DataProvider.cs:216

ETMSoft.Data.DataProvider.PrepareCommand() in d:\资料\测试项目\校医院\ETMSoft.Data\DataProvider.cs:266

ETMSoft.Data.DataProvider.ExecuteDataTable() in d:\资料\测试项目\校医院\ETMSoft.Data\DataProvider.cs:616

Sociaty_DAL.PowerDAL.GetList(String strWhere) +442

Sociaty_BLL.PowerBLL.GetList(String strWhere) +80

Sociaty.UserControl.header.Format(Int32 obj) +192

Sociaty.UserControl.header.Page_Load(Object sender, EventArgs e) +227

System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +51

System.Web.UI.Control.OnLoad(EventArgs e) +92

System.Web.UI.Control.LoadRecursive() +54

System.Web.UI.Control.LoadRecursive() +145

System.Web.UI.Control.LoadRecursive() +145

System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +772