How can I export data to an Excel file

MS provides the OpenXML SDK V 2.5 – see https://msdn.microsoft.com/en-us/library/bb448854(v=office.15).aspx This can read+write MS Office files (including Excel)… Another option see http://www.codeproject.com/KB/office/OpenXML.aspx IF you need more like rendering, formulas etc. then there are different commercial libraries like Aspose and Flexcel…

OLE DB Provider for ODBC Drivers Error “80004005′

That error is nearly always caused by a bad connection string when an ADODB.connection object has its .open() method called. For example, take the following code: Note how the connection string includes a driver identifier, in this example that is SQL Server. Somewhere in your application you’ll have an adodb.connection.open() method being called with a connection string, you need to find … Read more

what is the difference between OLE DB and ODBC data sources?

According to ADO: ActiveX Data Objects, a book by Jason T. Roff, published by O’Reilly Media in 2001 (excellent diagram here), he says precisely what MOZILLA said. (directly from page 7 of that book) ODBC provides access only to relational databases OLE DB provides the following features Access to data regardless of its format or location Full … Read more