A workbook table that is referenced in this manner consists of the entire used range of the worksheet. Use the sheet name followed by a dollar sign (for example, or ). There are several ways you can reference a table (or range) in an Excel workbook: Properties("Extended Properties").Value = "Excel 8.0" The following samples demonstrate an ADO connection to an Excel 97 (or 2000) workbook: The ExcelADO.exe sample uses Excel workbooks in the Excel 97 and Excel 2000 format. NOTE: Use the Excel 5.0 source database type for Microsoft Excel 5.0 and 7.0 (95) workbooks and use the Excel 8.0 source database type for Microsoft Excel 8.0 (97) and 9.0 (2000) workbooks. The Jet OLE DB Provider supports the following database types for Microsoft Excel workbooks:
In order to open external formats supported by the Microsoft Jet 4.0 OLE DB Provider, you specify the database type in the extended properties for the connection. The Microsoft Jet database engine can be used to access data in other database file formats, such as Excel workbooks, through installable Indexed Sequential Access Method (ISAM) drivers. Jet OLE DB Provider Specifics for Excel Workbooks If you require "conditional" formatting after the data is inserted, you can accomplish this formatting with Automation or with a macro in the workbook. However, you can transfer data to a workbook that is pre-formatted and the format is maintained. You cannot use ADO to apply formats or formulas to cells. ADO presents you with a more scaleable solution to handle data in a workbook.ĪDO can be used strictly to transfer raw data to a workbook. For Web applications, it is not always desirable to automate Microsoft Excel. ADO runs in-process, and saves the overhead of costly out-of-process calls.
Microsoft Excel is an out-of-process ActiveX server.
The use of ADO to transfer data to or retrieve data from an Excel workbook gives you, the developer, several advantages over Automation to Excel: The ExcelADO.exe sample illustrates how you can use ActiveX Data Objects (ADO) with the Microsoft Jet OLE DB 4.0 Provider to read and write data in Microsoft Excel workbooks.
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ExcelADO demonstrates how to use ADO to read and write data in Excel workbooks Summary
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