XL5: Screen Updated Incorrectly with SQLRetrieve Function

Last reviewed: September 2, 1997
Article ID: Q134614

The information in this article applies to:

Microsoft Excel for Windows, version 5.0

SYMPTOMS

In Microsoft Excel, the screen does not appear to be updated as expected when you are using the SQLRetrieve macro function to fetch data.

CAUSE

In Microsoft Excel version 5.0, the results are returned essentially by pasting the data to the Microsoft Excel spreadsheet. However, in Microsoft Excel version 5.0c, a faster method of returning data is used to populate the spreadsheet with the data.

RESOLUTION

To avoid this problem, use the ScreenUpdating property of the Application object. When this property is set to False, the screen is not updated until the macro stops or the property is set back to True. The following macro example illustrates this workaround:

Sub SQLRetrieve_Example()
   ' Open a channel to the Nwind data source.
   chan = SQLOpen("DSN=Nwind 2.0")

   ' Execute a query to return all records from the Employee table.
   SQLExecQuery chan, "SELECT * FROM employee"

   ' Retrieves the first record to the buffer.
   SQLRetrieve chan, ActiveCell, 2, 1, False, False, True, True

   ' Turn off screen updating.
   Application.ScreenUpdating = False

   ' Loop through the current data set and return one row at a time.
   For x = 1 To 20
       SQLRetrieve chan, ActiveCell.Offset(x, 0), 2, 1, _
          False, False, True, False
   Next

   ' Close the channel to Nwind.
   SQLclose chan

   ' Turn on screen updating.
   Application.ScreenUpdating = True
End Sub

Microsoft provides examples of Visual Basic procedures for illustration only, without warranty either expressed or implied, including but not limited to the implied warranties of merchantability and/or fitness for a particular purpose. This Visual Basic procedure is provided 'as is' and Microsoft does not guarantee that it can be used in all situations. Microsoft does not support modifications of this procedure to suit customer requirements for a particular purpose. Note that a line that is preceded by an apostrophe introduces a comment in the code--comments are provided to explain what the code is doing at a particular point in the procedure. Note also that an underscore character (_) indicates that code continues from one line to the next. You can type lines that contain this character as one logical line or you can divide the lines of code and include the line- continuation character. For more information about Visual Basic for Applications programming style, see the "Programming Style in This Manual" section in the "Document Conventions" section of the "Visual Basic User's Guide."

STATUS

Microsoft has confirmed this to be a problem in the Microsoft products listed at the beginning of this article. This problem was corrected in Microsoft Excel for Windows, version 5.0c.

Additional query words: 5.00 flash jump updates
Keywords : kbprg PgmOthr kbcode
Version : 5.00
Platform : WINDOWS

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Last reviewed: September 2, 1997
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