Oledbexception Unspecified Error Excel
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the Connection.Open method on an Access or Excel file within ASP.NET. This is an issue you could face while opening Excel or Access files as data sources
System.data.oledb.oledbexception Unspecified Error
in ASP.NET using OleDb Jet. Cause Number 1ASP.NET/Impersonated account doesn't have system.data.oledb.oledbexception unspecified error excel enough privileges to create the ldb file. Resolution Give the ASP.NET user account create/write privileges to the
System.data.oledb.oledbexception Unspecified Error Excel Upload
folder where the excel/access file is placed. If you are using impersonation, give the impersonated account the said privileges. Cause Number 2 Impersonated account doesn't have enough unspecified error while opening oledb connection privileges to create temporary files. Description When you open excel or access files using Jet, it requires creation of temporary files. Under ASP.NET, these files will be created under the C:\Documents and Settings\MachineName\ASPNET\Local Settings\Temp folder. By default, the ASP.NET user account is given full access to this folder. Now, when you are using impersonation, system.data.oledb.oledbexception unspecified error c# the impersonated account naturally wouldn't have access to this folder. Consequently, the Jet engine wouldn't be able to create the temporarily files while opening connections to excel or access files under ASP.NET. Due to this, the OleDb provider throws an exception with no specific message - System.Data.OleDb.OleDbException: Unspecified error. Resolution Give the impersonated account full access to the above mentioned folder. Check out the Microsoft support article here[^] Post navigation Previous PostJust finished uploading the MVP Summit picsNext PostHttpUnhandledException and HttpParseException - they are now Serializable :) 52 thoughts on “System.Data.OleDb.OleDbException: Unspecified error” dongdong says: September 27, 2005 at 4:10 pm I have no Impersonate and the aspnet_wp account does have full control on the folder. But the error still there. Reply subhro debroy says: October 6, 2005 at 5:37 pm good Reply subhro debroy says: October 6, 2005 at 5:40 pm brilliant Reply Cas MEijer says: December 23, 2005 at 3:42 am Thanks for sharing It really works :-)) Reply somebod
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System.data.oledb.oledbexception (0x80004005)
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System Data Oledb Oledbexception 0x80004005 Unrecognized Database Format
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"C:\Program Files\Windward Studios\AutoTag\data\Northwind Mini - Data.xlsx \ C:\Program https://support.windward.net/entries/23652777-Datasource-connector-excel-oledb-unspecified-error Files\Windward Studios\AutoTag\data\Northwind Mini - Data.xlsx"? Location: Test Datasource Connection Exception stack: Unspecified error (DataConnectionException) Unspecified error (OleDbException) AutoTag version: 11.1.44.0Office: 14 (32-bit), WORDWindows: Microsoft Windows NT 5.1.2600 Service Pack 3 (32-bit), GC memory: 67.869.088 Stack trace: Exception: net.windward.env.DataConnectionException Message: Unspecified error Exception: System.Data.OleDb.OleDbException Message: Unspecified unspecified error error Stack: at System.Data.OleDb.OleDbConnectionInternal..ctor(OleDbConnectionString constr, OleDbConnection connection) at System.Data.OleDb.OleDbConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningObject) at System.Data.ProviderBase.DbConnectionFactory.CreateNonPooledConnection(DbConnection owningConnection, DbConnectionPoolGroup poolGroup) at System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) at System.Data.OleDb.OleDbConnection.Open() at net.windward.utils.ado.WrConnection.Open() at WindwardArrow.net.windward.arrow.datasource.ado.i.CanConnect() Regards, Andreas 0 Facebook Twitter LinkedIn Google+ 4 Comments 4 comments Sort by Date Votes David Thielen April oledbexception unspecified error 25, 2013 14:41 You probably have the wrong connector installed. Please follow the instructions at http://wiki.windward.net/kb/Installing_Excel_Connector to install the correct connector. thanks - dave 0 Permalink Andreas April 25, 2013 15:04 Hello David, I use this: "Microsoft.ACE.OLEDB.12.0 (*.xlsx, *.xlsb, *.xlsm)" one. Regards, Andreas 0 Permalink Andreas April 25, 2013 15:23 Hello David, Even if I use "Microsoft.ACE.OLEDB.12.0 (*.xlsx, *.xlsb, *.xlsm)" I followed the instructions. But I get the message "External table is not in the expected format" when I test connection for Northwind Mini - Data.xlsx" Location: Test Datasource Connection Exception stack: External table is not in the expected format. (DataConnectionException) External table is not in the expected format. (OleDbException) AutoTag version: 11.1.44.0 Office: 14 (32-bit), WORD Windows: Microsoft Windows NT 5.1.2600 Service Pack 3 (32-bit), GC memory: 46.659.176 Stack trace: Exception: net.windward.env.DataConnectionExc