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Home/ Questions/Q 6696883
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Editorial Team
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Editorial Team
Asked: May 26, 20262026-05-26T06:23:38+00:00 2026-05-26T06:23:38+00:00

Hi I am having trouble using a WPF UserControl inside another UserControl. I insert

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Hi I am having trouble using a WPF UserControl inside another UserControl. I insert it in a Grid control like this:

<local:MultiUseDialog />

and it works and compiles fine but as soon as I add a name (any name) like this:

<local:MultiUseDialog x:Name="AnyNameWhatsoever" />

I get multiple compilation errors saying
Error 7 – Type ‘MyProject.MultiUseDialog’ is not defined.

What am I doing wrong? I am pulling my hair out here, any advice would be appreciated!

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  1. Editorial Team
    Editorial Team
    2026-05-26T06:23:39+00:00Added an answer on May 26, 2026 at 6:23 am

    A wild guess that speaks of the same error:

    Namespace issues

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