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Asked: 2026-05-17T20:52:36+00:00

I have a method that takes an System.Action, this is what I’m trying to

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I have a method that takes an System.Action, this is what I’m trying to feed it:

Function() Me._existingImports = Me.GetImportedAds()

The thing is that it complains about the = sign since it thinks I’m trying to do a comparison, which I’m not. I want to assign the Me._existingImports the value of Me.GetImportedAds(), but VB.NET complains about DataTable not having a = operator.

How can I force it to use the assignment operator instead of the equality operator?

In C# this works perfectly fine:

() => this.existingImports = this.GetImportedAds()

For now the solution will be to use a standalone method, but that’s way more code than needed.

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1 Answer

  1. Editorial Team

    When using Function(), you really define an anonymous function which means you map values to values.

    Therefore Function() strictly needs an expression (like x or 42 …) as the body, which an assignment is not! (Assignments don’t evaluate to values like in C-style languages in VB)

    Thus what you need is not a Function() but a Sub(), which contains statements (actions) rather than values.

    Sub() Me._existingImports = Me.GetImportedAds()

    C# doesn’t distinguish here, the (much nicer) ... => ... syntax covers it all.

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