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Asked: 2026-06-06T19:12:29+00:00

I’m upgrading an old VB6 application to VB.NET that uses DAO to connect to

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I’m upgrading an old VB6 application to VB.NET that uses DAO to connect to an Access database. I know that this is a hopelessly outdated technology, but considering the amount of work changing to ADO, I’ve decided to stay with DAO, despite the frustration trying to find documentation.

My problem is that I’d like to have a DataGridView reflect a table from the database. Of course I could make my own routine manually setting the columns and fill the DataGridView, but if it is a way, I’d like to use the DataSource property or some other built-in function. I found a forum post that looked promising, but unfortunately I couldn’t find the attachment that was referred to.

Also, if there are other controls better suited for this than the DataGridView, please let me know.

Thanks

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1 Answer

  1. Editorial Team

    One option would be to use a method found in Code Complete. Put a nice, clean layer between the VB.NET user interface and the legacy data access code (your DAO code). The layer would take the data fetched via DAO and transfer it into a DataTable object. Then, you send the DataTable to the UI and use it as the .DataSource property of the DataGridView.

    Honestly, however, since this involves writing code for each DAO function that returns data for you to display, I would just refactor your data access routines into ADO.NET. Since DAO is so, so, so old, in my opinion it would be irresponsible to be creating a “new” application and using such outdated technology, even though it technically can “work”.

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