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Fill datagrid from stored procedure without using recordset (SQLServer 7 / VB6)

Posted on 2004-04-19
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Last Modified: 2013-12-25
I wrote a VB6 application, which reads data from a SQLServer 7 database into a datagrid. Some columns are updated by the user and written back to the DB.
I fill the datagrid in the following way:
  Dim...
  sql = "Select..."
  Set rec = New Recordset
  rec.CursorLocation = adUseClient
  rec.Open sql, DataEnvironment1.Connection1, adOpenStatic, adLockOptimistic
  Set DataGrid1.dataSource = rec

The Win2K clients are connected to the database server via a 256KB line. Current response times are 1-3 seconds for standard queries, but can go up to half a minute. I would like to speed up the application and fill the datagrid straight from a SP without using a recordset (similar to SQLAdapter in .NET). Does anybody know how to do this?
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Question by:TKL1960
2 Comments
 
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TimCottee earned 250 total points
ID: 10857731
Hi TKL1960,

This could be tricky, you could elect to use a server-side cursor rather than client-side but you still need to use a recordset. Even the SQLDataAdapter does this really, just exposes a different set of methods for working with it. The only bindable object to a datagrid is a recordset object so unless you can improve your storedproc in such a way as perhaps to return fewer records or even play with the page size etc to only load a few records at a time into the grid you aren't going to make any difference.

Tim Cottee
Brainbench MVP for Visual Basic
http://www.brainbench.com
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Author Comment

by:TKL1960
ID: 10866497
Hi Tim,
thanks for your very quick answer, which provided me the necessary background information to put this issue to bed. I optimized the sql and stopped digging in the other direction.
T.
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