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I have no idea whats going on here. Every time I use a DataGridView and try to use the drop down to add a data source it gives me an error: "Error using the dropdown. The connection to the server has been lost.

This is what it looks like.

Nullifiable
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1 Answers1

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Change target .net framework from 5.0 to 4.8 and then create a new project. Visual Studio Can't Target .NET Framework 4.8

Stan Zelen
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    how does this help? – Daniel A. White Mar 17 '21 at 14:10
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    @DanielA.White because .net (core) winforms support is fairly well bug-laden still, and going back to .net framework is usually a good step if you're writing a winforns app and don't want to bang your head on it for excessive amounts of time – Caius Jard Oct 02 '21 at 10:44