Posts by Sérgio Lourenço • 31 points
2 posts
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answer321
viewsA: Controlling to prevent window from opening again in Mdiform
Easy. In the event you are currently opening the window, place the following condition: Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click Dim fEncontrou As Boolean =…
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answers815
viewsA: Can a worse cost query be a better performance query?
The cost is just an estimate... Personally I do not care much for this cost but rather the execution time. For me, the most important thing is to return the information as soon as possible. However,…