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Prevent screen updates by SQL*XL (Read 3115 times)
Gerrit-Jan Linker
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Posts: 75
Prevent screen updates by SQL*XL
04.11.05 at 13:43:51
Jorma from Finland asked the following question today.
Excel is still a bit 'jumpy' because of the selected cell is changed by SQL*XL after each query. Could the
focus remain unchanced during SQL select executions somehow?
A very pragmatic solution to this is to prevent Excel's screen from updating. As the first line of your macro switch the automatic updating of the screen off and as the last line of your code switch it back to normal. If you want to select a particular cell after the execution you need to do that after you have turned the screen updating back to true. Otherwise selecting a cell will not result in the Excel screen getting refreshed.
Example. This is code I recorded with the macro recorder. I added the first line and the two lines at the bottom:
Sub Macro1()
  Application.ScreenUpdating = False

  SQLXL.Sql.setText "select * from emp;  select * from user_objects;  select * from all_objects where rownum <=1000;"
  Set SQLXL.Sql.Statements(1).Target = Targets(litExcel)
  SQLXL.Sql.Statements(1).OptimiseForLargeQuery = False
  With Targets(litExcel)
    .AutoFilter = False
    .AutoFit = True
    .Headings = True
    .Sort = False
    .StartFromCell = "Sheet1!$A$20"
    .Transpose = False
    .SQLInNote = True
    .FormatData = True
    .FreezePanes = False
    .PasteInsert = False
  End With
  With SQLXL.Sql.Statements(1)
    .ShowParametersDlg = False
    .ShowResultsetDlg = False
  End With
  With SQLXL.Sql.Statements(2)
    .ShowParametersDlg = False
    .ShowResultsetDlg = False
  End With
  With SQLXL.Sql.Statements(3)
    .ShowParametersDlg = False
    .ShowResultsetDlg = False
  End With
  Application.ScreenUpdating = True
End Sub

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Gerrit-Jan Linker
Linker IT Software
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