Oledbconnection Error
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resources Windows Server 2012 resources Programs MSDN subscriptions Overview Benefits system.data.oledb.oledbexception (0x80004005) Administrators Students Microsoft Imagine Microsoft Student Partners ISV system.data.oledb.oledbexception: unspecified error Startups TechRewards Events Community Magazine Forums Blogs Channel 9 Documentation APIs and oledbexception error codes list reference Dev centers Samples Retired content We’re sorry. The content you requested has been removed. You’ll be auto redirected in 1 system.data.oledb.oledbexception (0x80040e14) second. .NET Framework Class Library System.Data Namespaces System.Data.OleDb System.Data.OleDb OleDbException Class OleDbException Class OleDbException Class OleDbCommand Class OleDbCommandBuilder Class OleDbConnection Class OleDbConnectionStringBuilder Class OleDbDataAdapter Class OleDbDataReader Class OleDbEnumerator Class OleDbError Class OleDbErrorCollection Class OleDbException Class OleDbException Methods OleDbException Properties OleDbFactory Class
System.data.oledb.oledbexception In C#
OleDbInfoMessageEventArgs Class OleDbInfoMessageEventHandler Delegate OleDbLiteral Enumeration OleDbMetaDataCollectionNames Class OleDbMetaDataColumnNames Class OleDbParameter Class OleDbParameterCollection Class OleDbPermission Class OleDbPermissionAttribute Class OleDbRowUpdatedEventArgs Class OleDbRowUpdatedEventHandler Delegate OleDbRowUpdatingEventArgs Class OleDbRowUpdatingEventHandler Delegate OleDbSchemaGuid Class OleDbTransaction Class OleDbType Enumeration TOC Collapse the table of content Expand the table of content This documentation is archived and is not being maintained. This documentation is archived and is not being maintained. OleDbException Class .NET Framework (current version) Other Versions Visual Studio 2010 .NET Framework 4 Visual Studio 2008 .NET Framework 3.5 .NET Framework 3.0 .NET Framework 2.0 .NET Framework 1.1 The exception that is thrown when the underlying provider returns a warning or error for an OLE DB data source. This class cannot be inherited.Namespace: System.Data.OleDbAssembly: System.Data (in System.Data.dll)Inheritance HierarchySystem.Object System.Exception System.SystemException System.Runtime.InteropServices.ExternalException System.Dat
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System.data.oledb.oledbexception Unspecified Error C#
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The Microsoft.ACE.OLEDB.12.0 provider is not registered on the local machine 27 Comments 23 July 2015 20:05 4.51 (73 votes) MS Access ADO.NET EPPlus There are a number of reasons why you might get "The 'Microsoft.ACE.OLEDB.12.0' provider is not registered on the local machine" error when attempting to connect to either an accdb or an xlsx file, depending on what you are doing. This article discusses some of the causes and provides solutions first for uses involving ASP.NET, and then looking at other application uses. First, I will dispense with the most obvious reason for the error, and that is that the provider hasn't been registered on the machine on which the application is running. The ACE provider is not installed on Windows operating systems by default. You have to install it. The ACE provider is available in two forms: Microsoft Office Access database engine 2007 and the Microsoft Access Database Engine 2010 Redistributable. The 2007 version is only available as a 32-bit component whereas the 2010 version offers both 32 and 64-bit options. You need to be careful which option you choose, because a wrong choice here is the most frequent cause for the error message. ASP.NET Applications If you get this error when trying to use ACE from an ASP.NET application, the most likely cause is that you have installed either one of the 32-bit versions. By default, IIS on a 64-bit operating system will run applications in a 64-bit worker process. 64-bit processes cannot load 32-bit DLLs. When a call is made to the ACE provider, the 64 bit process will attempt to locate a 64-bit DLL. If it doesn't exist, you get the error message that brought you here. In this case you have two options. First, you can install the 2010 64-bit version. If you have the 2007 32-bit version installed, you can simply install the 2010 64-bit version alongside it. If you have the 32-bit version of 2010 installed, you need to uninstall it and download and install the 64-bit 2010 version instead. You cannot have both the 32- and 64-bit versions of the 2010 provider installed at the same time. If you are performing the installation on your development machine, you may also be constrained by the bit-ness of any existing Office installations. The second option is to change the application pool in IIS to enable 32-bit applications. If you are using the full version of IIS, you can use the management tool to do this (Control Panel » Administrative Tools » Internet Information Services (IIS) Manager). Click on Application Pools in the left pane, then s